CN119021759B - A locking device and non-variable capacity turbine machinery - Google Patents
A locking device and non-variable capacity turbine machinery Download PDFInfo
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- CN119021759B CN119021759B CN202411510587.0A CN202411510587A CN119021759B CN 119021759 B CN119021759 B CN 119021759B CN 202411510587 A CN202411510587 A CN 202411510587A CN 119021759 B CN119021759 B CN 119021759B
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- mounting block
- rotor
- fastener
- stud
- locking device
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
- F01D5/30—Fixing blades to rotors; Blade roots ; Blade spacers
- F01D5/32—Locking, e.g. by final locking blades or keys
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Abstract
本发明公开了一种锁紧装置及非变容式透平机械，属于非变容式透平机械领域，一种锁紧装置包括：转子；沿周向连接于转子上的若干叶片，相邻叶片互相抵触；与转子、相邻叶片均紧固连接的紧固件；防松组件，防松组件包括第一安装块、第二安装块以及防松单元，第一安装块套接于紧固件外，第一安装块的一端和转子抵触，第二安装块限位套接于紧固件外，防松单元连接于第一安装块的另一端和第二安装块的一端之间，防松单元和相邻叶片均抵触。本发明的技术效果在于它便于对相关非变容式透平机械的叶片进行锁紧防松。
The present invention discloses a locking device and a non-variable capacity turbine machine, belonging to the field of non-variable capacity turbine machines. A locking device comprises: a rotor; a plurality of blades connected to the rotor along the circumferential direction, and adjacent blades are in conflict with each other; a fastener that is tightly connected to the rotor and adjacent blades; an anti-loosening assembly, the anti-loosening assembly comprises a first mounting block, a second mounting block and an anti-loosening unit, the first mounting block is sleeved outside the fastener, one end of the first mounting block is in conflict with the rotor, the second mounting block is limitedly sleeved outside the fastener, the anti-loosening unit is connected between the other end of the first mounting block and one end of the second mounting block, and the anti-loosening unit is in conflict with adjacent blades. The technical effect of the present invention is that it is convenient for locking and preventing the blades of the relevant non-variable capacity turbine machine from loosening.
Description
Technical Field
The invention relates to a non-positive-displacement turbomachine, in particular to a locking device and a non-positive-displacement turbomachine.
Background
A turbomachine is a machine in which energy conversion is achieved by a rotor provided with blades that rotates at high speed, and by the interaction of forces between the blades and a fluid (gas or liquid) as it flows through the passages between the blades.
The non-positive-displacement turbomachine is a common turbomachine, and has the advantage of high efficiency, because the temperature of fluid contacted by the blades of the related non-positive-displacement turbomachine can change greatly during operation, if the blades are tightly installed, large thermal stress can be generated to cause rotor faults, so that a certain gap needs to be reserved during the installation of the blades, and in addition, the rotor rotating at a high speed can cause circumferential play among the blades, so that the blades of the related non-positive-displacement turbomachine need to be locked and loosened.
Disclosure of Invention
The invention aims to provide a locking device which is convenient for locking and loosening the blades of the related non-positive-displacement turbomachinery, and also aims to provide the non-positive-displacement turbomachinery.
The technical scheme is that the locking device comprises:
A rotor;
a plurality of blades connected to the rotor along the circumferential direction, wherein adjacent blades are mutually abutted;
a fastener fixedly connected with the rotor and the adjacent blades;
The anti-loosening assembly comprises a first mounting block, a second mounting block and an anti-loosening unit, wherein the first mounting block is sleeved outside the fastener, one end of the first mounting block is in conflict with the rotor, the second mounting block is limited to be sleeved outside the fastener, the anti-loosening unit is connected between the other end of the first mounting block and one end of the second mounting block, and the anti-loosening unit is in conflict with adjacent blades.
Optionally, the locking unit includes all articulate in the other end of first installation piece with two elastic component between the one end of second installation piece, two elastic components respectively with adjacent the blade is contradicted.
Optionally, the anti-loosening unit includes two multi-link modules, the multi-link modules including:
The outer stay bar is hinged with the fixing rod, and one end of the outer stay bar, which is far away from the fixing rod, is hinged with the other end of the first mounting block;
The first shrinkage rod and the second shrinkage rod are hinged with each other, one end of the first shrinkage rod, which is far away from the second shrinkage rod, is hinged with one end of the second installation block, and one end of the second shrinkage rod, which is far away from the first shrinkage rod, is hinged with the middle part of the fixed rod;
Wherein, the dead lever is kept away from the one end of outer vaulting pole with the blade is contradicted.
Optionally, the fastener further comprises a first nut in threaded sleeve connection with the outside of the fastener, and the first nut is abutted against the other end of the second mounting block.
Optionally, the method further comprises:
a plurality of resilient protrusions axially spaced apart from each other and connected to the fastener;
The pressing block is movably connected with the second installation block, and the pressing block is abutted against the elastic bulge;
Wherein, the second installation piece cup joints in the elasticity is protruding outward.
Optionally, the fastener includes:
one end of the stud is in threaded connection with the rotor;
The second nut is in threaded connection with the other end of the stud;
The gasket is sleeved outside the other end of the stud, one end of the gasket is abutted against the adjacent blade, and the other end of the gasket is abutted against the second nut;
the first installation block and the second installation block are sleeved outside the stud.
Optionally, the method further comprises:
the first mounting block is arranged in the first counter bore, and one end of the first mounting block is positioned in the first counter bore;
The locking holes and the second counter bores are arranged on the adjacent blades and are mutually communicated, the other ends of the studs penetrate through the locking holes, and the second nuts and the gaskets are positioned in the second counter bores.
Optionally, the blade includes main part, rim plate and the tenon that connect gradually, the tenon along circumference connect in on the rotor, adjacent the rim plate is contradicted each other, the fastener with adjacent the equal fastening connection of rim plate, locking unit with adjacent the tenon is all contradicted.
Optionally, the rotor further comprises mortises arranged on the rotor at intervals along the axial direction, and the tenons are connected in the mortises along the circumferential direction.
A non-positive displacement turbomachine includes a locking device.
Advantageous effects
1) The anti-loosening assembly is used for loosening prevention, when the axial distance between the first installation block and the second installation block is reduced, the anti-loosening unit is convenient to open, so that the anti-loosening unit is in collision with adjacent blades, the anti-loosening effect is good, and even if the blades and the rotor of the related non-positive-displacement turbine machinery are required to rotate at a high speed during working, the blades and the rotor can be prevented from loosening.
2) The tenon of the blade generates an outward acting force on the second mounting block through the elastic piece, and the resultant force enables the second mounting block to be upward so as to prevent the loosening of the first nut. In addition, centrifugal force that the rotor rotation in-process produced makes first installation piece upwards move certain displacement along the double-screw bolt to make the elastic component take place bigger deformation, further prevent the loosening of first nut, and effectively guarantee the circumference of blade fixed.
3) The tenon of the blade is perpendicular to the rod outwards, the acting force of the tenon of the blade on the fixed rod is transmitted by the second shrinkage rod to obliquely upwards along the first shrinkage rod, and the resultant force enables the second installation block to upwards, so that the limiting effect of the elastic bulge on the second installation block is further increased, and the separation of the elastic bulge is prevented. In addition, the centrifugal force generated in the rotating process of the rotor can further increase the limiting effect of the elastic bulge on the second mounting block, and the fixing effect of the fixing rod on the tenon can be increased.
Drawings
FIG. 1 is a schematic view of a blade according to an embodiment of the present invention;
FIG. 2 is a schematic structural view of the connection of a blade and a rotor according to an embodiment of the present invention;
FIG. 3 is a partial view of FIG. 2A;
FIG. 4 is a cross-sectional view of B-B of FIG. 2;
FIG. 5 is a partial view of FIG. 4;
FIG. 6 is one of the schematic structural views of the anti-loosening assembly according to the embodiment of the present invention;
FIG. 7 is a second schematic view of a locking assembly according to an embodiment of the present invention;
FIG. 8 is one of the schematic structural views of the locking device according to the embodiment of the present invention in the installation;
FIG. 9 is one of the structural schematic diagrams of the locking device of the embodiment of the present invention after installation;
FIG. 10 is a third schematic view of the anti-loosening assembly according to the embodiment of the present invention;
FIG. 11 is a schematic diagram of a locking assembly according to an embodiment of the present invention;
FIG. 12 is a second schematic view of the structure of the locking device according to the embodiment of the present invention when installed;
FIG. 13 is a second schematic view of the structure of the locking device according to the embodiment of the present invention after installation;
1, rotor, 11, first counter bore, 12, threaded hole, 13, mortise, 2, blade, 21, main body, 22, flange, 221, locking hole, 222, second counter bore, 23, tenon, 3, fastener, 31, stud, 32, second nut, 33, gasket, 4, locking component, 41, first mounting block, 42, second mounting block, 43, locking unit, 431, elastic piece, 432, multi-link module, 4321, first contraction rod, 4322, second contraction rod, 4323, outer brace, 4324, fixing rod, 44, first nut, 45, elastic protrusion, 46, pressing block.
Detailed Description
In order to make the technical scheme of the invention clearer, the invention is further described in detail below with reference to the attached drawings and specific embodiments.
Example 1
As shown in fig. 1-9, the present embodiment provides a locking device, which comprises a rotor 1, a plurality of blades 2 circumferentially connected to the rotor 1, mutually abutting adjacent blades 2, a fastener 3 tightly connected with the rotor 1 and the adjacent blades 2, and a locking assembly 4, wherein the locking assembly 4 comprises a first mounting block 41, a second mounting block 42 and a locking unit 43, the first mounting block 41 is sleeved outside the fastener 3, one end of the first mounting block 41 abuts against the rotor 1, the second mounting block 42 is limited and sleeved outside the fastener 3, the locking unit 43 is connected between the other end of the first mounting block 41 and one end of the second mounting block 42, and the locking unit 43 abuts against the adjacent blades 2.
Specifically, the rotor 1 is used for bearing a plurality of blades 2, the rotor 1 can be a hollow rotor or a solid rotor, the blades 2 are connected to the rotor 1 along the circumferential direction, a certain level of blade groups are formed by the blades 2 conveniently, the adjacent blades 2 are prevented from relatively moving due to mutual collision of the adjacent blades 2, the fastening piece 3 is used for fixedly connecting the rotor 1 and the adjacent blades 2, and preventing the adjacent blades 2 and the rotor 1 from relatively rotating along the circumferential direction, the fastening piece 3 is not required to be arranged between each adjacent blade 2, the fastening piece 3 is arranged at intervals, the specific number of the fastening pieces 3 is not limited, the fastening pieces 3 can be screws, bolts and the like, the anti-loosening assembly 4 is used for loosening, when the axial distance between the first mounting block 41 and the second mounting block 42 is reduced, the anti-loosening unit 43 is convenient to be propped open, so that the anti-loosening unit 43 is convenient to prop against the adjacent blades 2, and the rotor 1 can be prevented from moving relatively even if the blades 2 and the rotor 1 of the related non-variable capacity turbomachine are required to rotate at high speed during operation, the first mounting block 41 and the second mounting block 42 are provided with channels, the channels are convenient for penetrating through the inner channels and the second mounting blocks and the fastening pieces 42 are not sleeved with the first and the second mounting blocks and the inner threads and the second mounting blocks are not sleeved with the inner threads.
Further, as shown in fig. 6 to 9, the locking unit 43 includes two elastic members 431 each hinged between the other end of the first mounting block 41 and one end of the second mounting block 42, and the two elastic members 431 respectively collide with the adjacent blade 2. Specifically, the two elastic members 431 are used for preventing loosening, the specific structure of the elastic members 431 is not limited, as shown in fig. 7, and may be an integral elastic plate, elastic rod or elastic block, as shown in fig. 6, or may be a plurality of mutually connected elastic connecting rods, and the elastic members 431 may be made of spring steel, rubber, or the like.
Further, as shown in fig. 8-9, the fastener further comprises a first nut 44 screwed and sleeved outside the fastener 3, and the first nut 44 abuts against the other end of the second mounting block 42. Specifically, the first nut 44 is configured to axially limit the second mounting block 42, so that the second mounting block 42 is limited and sleeved outside the fastener 3.
Further, as shown in fig. 8-9, the fastener 3 includes a stud 31, one end of the stud 31 is in threaded connection with the rotor 1, a second nut 32 in threaded connection with the other end of the stud 31, a spacer 33 sleeved outside the other end of the stud 31, one end of the spacer 33 abuts against the adjacent blade 2, and the other end of the spacer 33 abuts against the second nut 32, wherein the first mounting block 41 and the second mounting block 42 are sleeved outside the stud 31.
Specifically, the stud 31 is matched with the second nut 32, so that the adjacent blade 2 and the rotor 1 are conveniently fastened, and the stud 31 in the embodiment is in threaded connection with the first nut 44, so that the whole periphery of the stud 31 in the embodiment is provided with external threads, the gasket 33 is used for increasing the anti-loosening performance between the adjacent blade 2 and the second nut 32, the gasket 33 can be a flat pad, a spring pad and the like, wherein the stud 31, the second nut 32, the gasket 33 and the like can be repeatedly used for a plurality of times, and spare parts of the fastener 3 are conveniently reduced, so that the cost is conveniently saved.
Further, as shown in fig. 5 and 8-9, the rotor further comprises a threaded hole 12 and a first counter bore 11 which are both arranged on the rotor 1 and are mutually communicated, one end of the stud 31 is in threaded connection with the threaded hole 12, one end of the first mounting block 41 is positioned in the first counter bore 11, a locking hole 221 and a second counter bore 222 which are both arranged on the adjacent blade 2 and are mutually communicated, the other end of the stud 31 penetrates through the locking hole 221, and the second nut 32 and the gasket 33 are both positioned in the second counter bore 222.
Specifically, the threaded hole 12 is used for being in threaded connection with one end of the stud 31, so that the rotor 1 and one end of the stud 31 are in threaded connection, the first counter bore 11 is used for accommodating one end of the first mounting block 41, radial limiting effect on the first mounting block 41 is facilitated, the locking hole 221 is used for penetrating through the other end of the stud 31 and further penetrating through a screw driver and other disassembly tools, the second counter bore 222 is used for accommodating the second nut 32 and the gasket 33, the second nut 32 and the gasket 33 are prevented from protruding on the surface of the blade 2, the surface flatness of the blade 2 is guaranteed to be good, only the locking hole 221 and the second counter bore 222 are arranged on the blade 2, additional machining of the blade 2 is not needed, and the influence on the pneumatic performance of the blade 2 is facilitated to be reduced.
Further, as shown in fig. 1, the blade 2 includes a main body 21, a flange 22 and a tenon 23 which are sequentially connected, the tenon 23 is connected to the rotor 1 along the circumferential direction, adjacent flanges 22 are mutually abutted, the fastener 3 is fixedly connected with the adjacent flanges 22, and the locking unit 43 is abutted against the adjacent tenon 23. Specifically, the main body 21 is convenient for enabling the blade 2 to have aerodynamic performance, the flange 22 is used for connecting the main body 21 and the tenon 23, the tenon 23 is used for being connected with the rotor 1 and is used for abutting against the anti-loose unit 43, and in order to ensure the integrity, the main body 21, the flange 22 and the tenon 23 are connected in an integrally formed mode.
Further, as shown in fig. 1-2, the rotor further comprises a plurality of mortises 13 axially spaced on the rotor 1, and the tenons 23 are circumferentially connected in the mortises 13. In particular, the mortises 13 are adapted to receive tenons 23 and thus to receive blades 2, the number of mortises 13 being unlimited, each mortises 13 being adapted to receive several blades 2, i.e. for receiving a certain stage of a blade assembly, and several mortises 13 being adapted to receive multiple stages of blade assemblies.
Referring to fig. 8-9, for the locking device in this embodiment, when the blade 2 is installed, the tenons 23 of several blades 2 are firstly placed in the mortises 13, then one end of the stud 31 is in threaded connection with the threaded holes 12, then the first installation block 41, the two elastic members 431 and the second installation block 42 are all sleeved outside the stud 31, one end of the first installation block 41 is matched with the first counter bore 11 under the action of gravity, the two elastic members 431 are initially spread, further, the first nut 44 is in threaded connection with the stud 31, the other ends of the first nut 44 and the second installation block 42 are made to abut, the first nut 44 is continuously rotated towards the direction close to the second installation block 42, the two elastic members 431 are further spread until the two elastic members 431 abut against the adjacent blades 2, finally, the gasket 33 is sleeved outside the other end of the stud 31, and the second nut 32 is in threaded connection outside the other end of the stud 31, so that the installation is completed.
In this embodiment, the tenon 23 of the blade 2 generates an outward force (see F1 and F2 in fig. 9 for details) on the second mounting block 42 via the elastic member 431, and the resultant force makes the second mounting block 42 upward (see F3 in fig. 9 for details), preventing the loosening of the first nut 44. In addition, the centrifugal force generated during the rotation of the rotor 1 causes the first mounting block 41 to move upwards along the stud 31 by a certain displacement, so that the elastic member 431 is deformed more greatly, loosening of the first nut 44 is further prevented, and circumferential fixation of the blade 2 is effectively ensured.
The embodiment also provides a non-positive-displacement turbine machine, which comprises the locking device of the embodiment.
Example 2
As shown in fig. 10 to 13, compared with the technical solution of embodiment 1, the anti-loosening unit 43 of the present embodiment can be modified as follows:
Further, the locking unit 43 includes two multi-link modules 432, the multi-link modules 432 including an outer stay 4323 and a fixing rod 4324 hinged to each other, one end of the outer stay 4323 away from the fixing rod 4324 being hinged to the other end of the first mounting block 41, a first shrink rod 4321 and a second shrink rod 4322 hinged to each other, one end of the first shrink rod 4321 away from the second shrink rod 4322 being hinged to one end of the second mounting block 42, one end of the second shrink rod 4322 away from the first shrink rod 4321 being hinged to a middle portion of the fixing rod 4324, wherein one end of the fixing rod 4324 away from the outer stay 4323 is abutted against the blade 2. In particular, the outer struts 4323, the fixed rods 4324, the first retraction rods 4321, and the second retraction rods 4322 facilitate retraction and distraction of the multi-link module 432.
Further, the device also comprises a plurality of elastic bulges 45 which are connected to the fastener 3 at intervals along the axial direction, a pressing block 46 which is movably connected with the second mounting block 42, and the pressing block 46 is abutted against the elastic bulges 45, wherein the second mounting block 42 is sleeved outside the elastic bulges 45. Specifically, the elastic protrusions 45 are used for realizing elastic limit connection with the second mounting block 42, so that the second mounting block 42 is conveniently and limitedly sleeved outside the stud 31 of the fastener 3, and since the stud 31 in the embodiment is not required to be in threaded connection with the first nut 44, external threads are arranged at two ends of the periphery of the nut in the embodiment, wherein the elastic protrusions 45 can be made of silicone rubber, fluororubber and the like, and the pressing blocks 46 are used for pressing the elastic protrusions 45, so that the surfaces of the elastic protrusions 45 and the stud 31 are flush, or the elastic protrusions 45 are lower than the surface of the stud 31, and the second mounting block 42 and the elastic protrusions 45 are conveniently matched or separated.
As shown in fig. 12-13, for the locking device in this embodiment, when the locking device is installed, the tenons 23 of a plurality of blades 2 are firstly placed in the mortises 13, then one end of the stud 31 is connected with the threaded holes 12 in a threaded manner, then the first mounting block 41, the two multi-link modules 432 and the second mounting block 42 are sleeved outside the stud 31, one end of the first mounting block 41 is matched with the first counter bore 11 under the action of gravity, the two multi-link modules 432 are primarily stretched, further, the second mounting block 42 is moved towards the direction close to the first mounting block 41, the two multi-link modules 432 are further stretched, the elastic protrusions 45 at proper positions are selected, the second mounting block 42 is sleeved outside the elastic protrusions 45 at proper positions through the pressing block 46, the two multi-link modules 432 are guaranteed to be respectively abutted against the adjacent blades 2, and finally the gasket 33 is sleeved outside the other end of the stud 31, and the second multi-link module 32 is connected outside the other end of the stud 31 in a threaded manner, so that the installation is completed.
In this embodiment, the tenon 23 of the blade 2 acts on the fixing bar 4324 perpendicularly to the bar outward (see F4 and F5 in fig. 13 in detail), and is transferred via the second shrinkage bar 4322 obliquely upward (see F6 and F7 in fig. 13 in detail) along the first shrinkage bar 4321, so that the resultant force makes the second mounting block 42 upward (see F8 in fig. 13 in detail), and the limit effect of the elastic protrusion 45 on the second mounting block 42 is further increased to prevent the second mounting block from being separated. In addition, the centrifugal force generated during the rotation of the rotor 1 may further increase the limit effect of the elastic protrusions 45 on the second mounting block 42, and may increase the fixing effect of the fixing rod 4324 on the tenon 23.
Example 3
As shown in fig. 1 to 13, compared with the technical solutions of embodiments 1 or 2, the anti-loosening unit 43 of the present embodiment can be modified as follows:
further, the locking unit 43 includes two elastic members 431 each hinged between the other end of the first mounting block 41 and one end of the second mounting block 42, and the two elastic members 431 respectively collide with the adjacent blade 2.
Further, the device also comprises a plurality of elastic bulges 45 which are connected to the fastener 3 at intervals along the axial direction, a pressing block 46 which is movably connected with the second mounting block 42, and the pressing block 46 is abutted against the elastic bulges 45, wherein the second mounting block 42 is sleeved outside the elastic bulges 45.
Example 4
As shown in fig. 1 to 13, compared with the technical solutions of any one of embodiments 1 to 3, the anti-loosening unit 43 of the present embodiment can be modified as follows:
Further, the locking unit 43 includes two multi-link modules 432, the multi-link modules 432 including an outer stay 4323 and a fixing rod 4324 hinged to each other, one end of the outer stay 4323 away from the fixing rod 4324 being hinged to the other end of the first mounting block 41, a first shrink rod 4321 and a second shrink rod 4322 hinged to each other, one end of the first shrink rod 4321 away from the second shrink rod 4322 being hinged to one end of the second mounting block 42, one end of the second shrink rod 4322 away from the first shrink rod 4321 being hinged to a middle portion of the fixing rod 4324, wherein one end of the fixing rod 4324 away from the outer stay 4323 is abutted against the blade 2.
Further, the fastener further comprises a first nut 44 which is in threaded sleeve connection with the outside of the fastener 3, and the other ends of the first nut 44 and the second mounting block 42 are abutted.
The foregoing examples illustrate only a few embodiments of the invention, which are described in detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.
Claims (8)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202411510587.0A CN119021759B (en) | 2024-10-28 | 2024-10-28 | A locking device and non-variable capacity turbine machinery |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202411510587.0A CN119021759B (en) | 2024-10-28 | 2024-10-28 | A locking device and non-variable capacity turbine machinery |
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| Publication Number | Publication Date |
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| CN119021759A CN119021759A (en) | 2024-11-26 |
| CN119021759B true CN119021759B (en) | 2025-03-21 |
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| CN202411510587.0A Active CN119021759B (en) | 2024-10-28 | 2024-10-28 | A locking device and non-variable capacity turbine machinery |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209818118U (en) * | 2019-05-14 | 2019-12-20 | 中国航发商用航空发动机有限责任公司 | Fixing device for circumferential tenon of rotor and blade of aero-engine |
| CN117167333A (en) * | 2023-08-28 | 2023-12-05 | 江苏永昊高强度螺栓有限公司 | Bolt locking assembly for aero-engine compressor |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2832455B1 (en) * | 2001-11-22 | 2004-04-02 | Snecma Moteurs | DEVICE FOR LOCKING BLADES IN A GROOVE OF A DISC |
| FR2965008B1 (en) * | 2010-09-16 | 2013-08-02 | Snecma | AUBES DISK FOR TURBOMACHINE ROTOR, AND TURBOMACHINE EQUIPPED WITH SUCH A DISK |
| CN106014490B (en) * | 2016-06-22 | 2019-03-08 | 中国航空工业集团公司沈阳发动机设计研究所 | A locking structure for rotor blades |
| CN114382549B (en) * | 2020-10-21 | 2024-04-23 | 中国航发商用航空发动机有限责任公司 | Turbine and aeroengine |
| CN112240313B (en) * | 2020-12-17 | 2021-03-05 | 中国航发上海商用航空发动机制造有限责任公司 | Blade locking device, compressor and aircraft engine |
| CN114810219B (en) * | 2021-01-29 | 2024-12-17 | 中国航发商用航空发动机有限责任公司 | Aero-engine |
| CN115217529A (en) * | 2021-04-20 | 2022-10-21 | 中国航发商用航空发动机有限责任公司 | Locking device for rotor blade |
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- 2024-10-28 CN CN202411510587.0A patent/CN119021759B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209818118U (en) * | 2019-05-14 | 2019-12-20 | 中国航发商用航空发动机有限责任公司 | Fixing device for circumferential tenon of rotor and blade of aero-engine |
| CN117167333A (en) * | 2023-08-28 | 2023-12-05 | 江苏永昊高强度螺栓有限公司 | Bolt locking assembly for aero-engine compressor |
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| CN119021759A (en) | 2024-11-26 |
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