CN112729683B - Dynamic balance process and driving device thereof - Google Patents
Dynamic balance process and driving device thereof Download PDFInfo
- Publication number
- CN112729683B CN112729683B CN202110337490.4A CN202110337490A CN112729683B CN 112729683 B CN112729683 B CN 112729683B CN 202110337490 A CN202110337490 A CN 202110337490A CN 112729683 B CN112729683 B CN 112729683B
- Authority
- CN
- China
- Prior art keywords
- plate
- dynamic balance
- screw
- adapter
- drive
- 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
- 238000000034 method Methods 0.000 title claims abstract description 31
- 230000005540 biological transmission Effects 0.000 claims abstract description 8
- 230000008878 coupling Effects 0.000 claims description 7
- 238000010168 coupling process Methods 0.000 claims description 7
- 238000005859 coupling reaction Methods 0.000 claims description 7
- 238000010586 diagram Methods 0.000 description 10
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 230000007704 transition Effects 0.000 description 4
- 238000000354 decomposition reaction Methods 0.000 description 2
- 210000004907 gland Anatomy 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000017105 transposition Effects 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M1/00—Testing static or dynamic balance of machines or structures
- G01M1/14—Determining imbalance
- G01M1/16—Determining imbalance by oscillating or rotating the body to be tested
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Abstract
The invention relates to a dynamic balance process and a driving device thereof. The driving device is suitable for a turbine rotor and comprises a driving adapter plate and a connecting section, wherein the connecting section is connected with the plate surface, the connecting section is axially provided with a transmission gear, the transmission gear can be matched with a locking plate mounting groove to limit the driving adapter plate to axially rotate relative to an adapter shaft, and two shallow holes are symmetrically formed in the plate surface along the axial direction; the limiting nut comprises a top plate and an annular plate connected with the top plate, wherein the inner side of the annular plate is provided with an internal thread which is matched with a thread section at the tail end of the adapter shaft, two screw holes are symmetrically formed in the top plate along the axial direction, and the positions of the screw holes correspond to those of the shallow holes; and the screw is matched with the screw hole and the shallow hole and used for fixing the limiting nut on the drive adapter plate. The invention provides a dynamic balance process and a driving device thereof, which can greatly reduce the cost of the dynamic balance process and shorten the period of the dynamic balance process of a turbine rotor.
Description
Technical Field
The invention relates to the technical field of aircraft engine assembly, in particular to a dynamic balance process and a driving device thereof.
Background
Fig. 1 shows a schematic view of a turbine rotor according to the prior art. Fig. 2 shows a schematic structural diagram of a prior art transfer shaft. Fig. 3 shows a schematic structural diagram of a dynamic balance driving device in the prior art. As shown in fig. 1, the turbine rotor of the engine mainly comprises a first-stage turbine disk assembly 101, a sealing ring 102, a second-stage turbine disk assembly 103, a transition shaft 104, a compression nut 105 and other components, and marks a rotation axis 106 of the transition shaft 104. Referring to fig. 2, a threaded section 107 and a plurality of uniformly distributed locking plate mounting grooves 108 are formed in the tail end of the adapter shaft 104 and used for mounting a bearing inner ring gland nut and a locking gland nut, dynamic balance is needed before a turbine rotor is installed, the residual unbalance of the rotor meets requirements, and the risk of rotor vibration in the working process of an engine is reduced. Referring to fig. 3, a balance shaft sleeve 109 in interference connection is adopted to hold a bearing mounting section 110 on a rotor shaft tightly, and a rear end face of the balance shaft sleeve 109 is pressed by a pressing nut 105, and a driving adapter 111 is fixed at the tail end of the balance shaft sleeve 109 by a nut 112. When the rotor is in dynamic balance, the balance shaft sleeve 109 is supported on a swing frame of the balancing machine, and a coupling of the balancing machine is connected with the driving adapter plate 111 to drive the turbine rotor to rotate on the balancing machine. Under the balance process, the requirement on the machining precision of the balance shaft sleeve 109 is extremely high, the machining cost of the balance shaft sleeve 109 is high, the balance shaft sleeve 109 and the adapter shaft 104 are in interference fit, the balance shaft sleeve 109 needs to be heated before installation, a special puller is used for decomposition of the balance shaft sleeve 109 after balance, the balance tool needs to be indexed in order to eliminate the influence of the balance tool on the dynamic balance of the rotor, namely the balance tool needs to be assembled and disassembled at least twice in the dynamic balance process of the turbine rotor, and time is consumed.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a dynamic balance process and a driving device thereof, which are suitable for a turbine rotor, can greatly reduce the cost of the dynamic balance process and shorten the period of the dynamic balance process of the turbine rotor.
Specifically, the invention provides a dynamic balance driving device, which is suitable for a turbine rotor, wherein the turbine rotor comprises a coupling shaft, a thread section and a locking plate mounting groove are arranged at the tail end of the coupling shaft, and the dynamic balance driving device comprises:
the driving adapter plate comprises a plate surface and a connecting section connected with the plate surface, wherein the connecting section is axially provided with a transmission gear which can be matched with the locking plate mounting groove to limit the driving adapter plate to axially rotate relative to the adapter shaft, and the plate surface is symmetrically provided with two shallow holes along the axial direction;
the limiting nut comprises a top plate and an annular plate connected with the top plate, internal threads are arranged on the inner side of the annular plate and matched with the thread section at the tail end of the adapter shaft, two screw holes are symmetrically formed in the top plate along the axial direction, and the positions of the screw holes correspond to those of the shallow holes;
and the screw is matched with the screw hole and the shallow hole and is used for fixing the limiting nut on the drive adapter plate.
According to one embodiment of the invention, the connecting section is provided with 4 gearing teeth in axial direction.
According to one embodiment of the invention, 4 of said transmission teeth are evenly distributed along the circumference of the connecting section.
The invention also provides a dynamic balance process, which utilizes any one of the dynamic balance driving devices and comprises the following steps,
s1, mounting the drive adapter plate on the tail end of the adapter shaft to enable the transmission teeth to be meshed with the locking plate mounting grooves;
s2, mounting the limit nut to the tail end of the transfer shaft, and enabling the limit nut and the transfer shaft to be fixed in a threaded fit manner;
s3, aligning the screw holes and the shallow holes, screwing the screws, and fixing the limiting nuts on the driving adapter plate;
s4, connecting the drive adapter plate with a balancing machine;
and S5, starting the balancing machine to collect the unbalance amount of the turbine rotor.
According to one embodiment of the present invention, further comprising the step of,
s6, loosening the screw;
s7, rotating the limiting nut to enable the limiting nut to rotate 180 degrees to align the screw hole and the shallow hole, screwing the screw again, and fixing the limiting nut on the driving adapter plate;
and S8, starting the balancing machine to collect the unbalance amount of the turbine rotor.
According to an embodiment of the present invention, in step S3, the limit nut is first screwed down to make the top plate of the limit nut fit to the disk surface of the drive adapter, and then the limit nut is rotated in the reverse direction to align the screw holes and the shallow holes one by one.
According to an embodiment of the present invention, in step S4, the coupling shaft of the balancing machine is fixed to the drive adapter plate.
The dynamic balance process and the driving device thereof provided by the invention are suitable for the turbine rotor, and the dynamic balance process cost can be greatly reduced and the dynamic balance process period of the turbine rotor can be shortened by matching the driving adapter plate and the limiting nut with the adapter shaft.
It is to be understood that both the foregoing general description and the following detailed description of the present invention are exemplary and explanatory and are intended to provide further explanation of the invention as claimed.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principle of the invention. In the drawings:
fig. 1 shows a schematic view of a turbine rotor according to the prior art.
Fig. 2 shows a schematic structural diagram of a prior art transfer shaft.
Fig. 3 shows a schematic structural diagram of a dynamic balance driving device in the prior art.
Fig. 4 is a schematic structural diagram of a dynamic balance driving device according to an embodiment of the present invention.
Fig. 5 shows an assembly diagram of a dynamic balance driving device according to an embodiment of the present invention.
FIG. 6 shows a block flow diagram of a dynamic balancing process of one embodiment of the present invention.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. It should be apparent that the described embodiments are only some of the embodiments of the present application, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the application, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
The relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present application unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
In the description of the present application, it is to be understood that the orientation or positional relationship indicated by the directional terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc., are generally based on the orientation or positional relationship shown in the drawings, and are used for convenience of description and simplicity of description only, and in the case of not making a reverse description, these directional terms do not indicate and imply that the device or element being referred to must have a particular orientation or be constructed and operated in a particular orientation, and therefore, should not be considered as limiting the scope of the present application; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.
Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may also be oriented 90 degrees or at other orientations and the spatially relative descriptors used herein interpreted accordingly.
It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of protection of the present application is not to be construed as being limited. Further, although the terms used in the present application are selected from publicly known and used terms, some of the terms mentioned in the specification of the present application may be selected by the applicant at his or her discretion, the detailed meanings of which are described in relevant parts of the description herein. Further, it is required that the present application is understood not only by the actual terms used but also by the meaning of each term lying within.
Fig. 4 is a schematic structural diagram of a dynamic balance driving device according to an embodiment of the present invention. Fig. 5 shows an assembly diagram of a dynamic balance driving device according to an embodiment of the present invention. As shown, a dynamic balance drive 200 is adapted for use with a turbine rotor. The turbine rotor comprises a transition shaft 104, and the tail end of the transition shaft 104 is provided with a threaded section 107 and a locking plate mounting groove 108. The dynamic balance driving device 200 provided mainly comprises a driving adapter 201, a limit nut 202 and a screw 203.
The drive adapter 201 is composed of a disk surface 204 and a connecting segment 205 connected with the disk surface 204. The connecting section 205 is provided with drive teeth 206 in the axial direction. The drive teeth 206 are adapted to engage the locking tab receiving slots 108 to limit axial rotation of the disk 204 of the drive adapter 201 relative to the adapter shaft 104. The mode of transmitting torque through the driving teeth 206 and the locking plate mounting grooves 108 replaces the balance shaft sleeve 109 in the prior art, and the manufacturing, mounting and disassembling of the high-precision balance shaft sleeve 109 are avoided, so that the cost of the dynamic balance driving device 200 is reduced. Two shallow holes marked as a first shallow hole 207 and a second shallow hole 208 are symmetrically formed on the disk surface 204 along the axial direction. It will be readily appreciated that shallow holes may also be considered mounting indicia.
The stop nut 202 includes a top plate 209 and a ring-shaped plate 210 connected to the top plate 209 to form a cover structure. The ring 210 is internally threaded on the inside to engage the threaded section 107 at the rear end of the spindle 104. Two screw holes, which are designated as a first screw hole 211 and a second screw hole 212, are axially symmetrically formed in the top plate 209. The screw holes and the shallow holes are in one-to-one correspondence, and two cases are included here, namely a first screw hole 211 and a first shallow hole 207 which correspond to each other in the axial direction of the adapter shaft 104, and a second screw hole 212 and a second shallow hole 208 which correspond to each other; in another case, in the aforementioned case, when the limiting nut 202 is rotated 180 degrees relative to the driving adapter 201, the first screw hole 211 corresponds to the second shallow hole 208, and the second screw hole 212 corresponds to the first shallow hole 207.
The screw 203 mates with the screw hole and the shallow hole. And screwing the screw 203 to enable the screw 203 to penetrate through the screw hole and be in threaded fit with the screw hole and the shallow hole, so that the limiting nut 202 is fixed on the driving adapter plate 201, the limiting nut 202 is enabled to press the driving adapter plate 201 from the axial direction, and the axial limiting of the driving adapter plate 201 is realized. The limit nut 202, the screw 203 and the drive adapter plate 201 form interlocking, so that the dynamic balance driving device 200 is ensured to stably operate and cannot be loosened.
According to the dynamic balance driving device 200 provided by the invention, a balance shaft sleeve 109 in the prior art is omitted, when the turbine rotor is in dynamic balance, the bearing mounting section 110 of the adapter shaft 104 is directly supported on a swing frame of a balancing machine, and a coupler of the balancing machine is connected with the driving adapter disc 201 to drive the turbine rotor to rotate on the balancing machine. Therefore, the dynamic balance driving device 200 has the overall dimension only equal to 1/10 of the traditional driving device, and the manufacturing, installation and disassembly of the high-precision balance shaft sleeve 109 are omitted, so that the process cost is greatly reduced, and the period of the dynamic balance process of the turbine rotor is effectively shortened.
Preferably, the connecting section 205 of the drive adapter plate 201 is provided with 4 transmission teeth 206 in the axial direction. The number of teeth 206 is chosen to be suitable for ease of manufacture and assembly, and in a preferred embodiment 4 teeth 206 are suggested. By way of example and not limitation, 6, 8, 10 or more drive teeth 206 may also be provided axially in the connecting section 205, which would obviously increase manufacturing costs. More preferably, 4 drive teeth 206 are evenly spaced along the circumference of the connecting section 205.
FIG. 6 shows a block flow diagram of a dynamic balancing process of one embodiment of the present invention. As shown in the drawings, the present invention further provides a dynamic balancing process using the dynamic balancing driving apparatus 200. The dynamic balance process comprises the following steps:
s1, the drive adapter 201 is mounted to the rear end of the adapter shaft 104, so that the driving teeth 206 engage with the locking tab mounting slots 108 of the adapter shaft 104.
And S2, mounting the limit nut 202 on the tail end of the adapter shaft 104, and matching the internal thread on the annular sheet 210 of the limit nut 202 with the thread section 107 on the adapter shaft 104 to ensure that the two are in thread matching and fixing.
S3, aligning the screw holes and the shallow holes, tightening the screws 203, and securing the limit nut 202 to the drive adapter 201.
And S4, connecting the drive adapter 201 with the balancing machine.
And S5, starting the balancing machine to acquire the unbalance amount of the turbine rotor.
Preferably, the dynamic balancing process further comprises the steps of:
and S6, loosening the screw 203 to separate the limit nut 202 from the drive adapter plate 201.
And S7, rotating the limit nut 202 to enable the limit nut 202 to rotate 180 degrees, realigning the screw hole and the shallow hole, and tightening the screw 203 again to fix the limit nut 202 on the drive adapter plate 201. Here, the operation is to switch the first screw hole 211 between the corresponding positions of the first shallow hole 207 and the second shallow hole 208 to realize 180 degrees rotation of the limiting nut 202, so that the influence of the limiting nut 202 on the dynamic balance can be eliminated.
And S8, starting the balancing machine to acquire the unbalance amount of the turbine rotor.
Preferably, in step S3, the limit nut 202 is first tightened to make the top plate 209 of the limit nut 202 fit to the disk surface 204 of the driving adapter 201, and then the limit nut 202 is rotated in the reverse direction to align the screw holes and the shallow holes one by one.
Preferably, in step S4, the coupling shaft of the balancing machine is fixed to the drive adapter 201.
The invention provides a dynamic balance driving device suitable for a turbine rotor, which is characterized in that a driving gear arranged on a driving adapter plate is matched with a locking plate mounting groove at the tail end of an adapter shaft, so that the circumferential limit of the driving adapter plate on the turbine rotor is realized. The limiting nut is fixed on the transfer shaft through threads, and axial limiting of the driving transfer disc is achieved in a mode that the screw installed on the limiting nut abuts against the driving transfer disc tightly. When the turbine rotor carries out the dynamic balance technology, the bearing installation section of the adapter shaft is directly supported on the swing frame of the balancing machine, the turbine rotor is driven to rotate on the balancing machine after the shaft coupling of the balancing machine is connected with the drive adapter disc, under the technology, the overall dimension of the dynamic balance device is only 1/10 of the traditional drive device, the manufacturing, the installation and the decomposition of a high-precision balance shaft sleeve are omitted, the technology cost is greatly reduced, the period of the dynamic balance technology of the turbine rotor is shortened, only about 1/10 is provided originally, and the balance error caused by the tool can be eliminated by directly conducting transposition on the balancing machine on the balancing tool.
It will be apparent to those skilled in the art that various modifications and variations can be made to the above-described exemplary embodiments of the present invention without departing from the spirit and scope of the invention. Thus, it is intended that the present invention cover the modifications and variations of this invention provided they come within the scope of the appended claims and their equivalents.
Claims (7)
1. The utility model provides a dynamic balance drive arrangement, is applicable to turbine rotor, turbine rotor includes the spiale, the tail end of spiale is equipped with screw thread section and locking plate mounting groove, dynamic balance drive arrangement includes:
the driving adapter plate comprises a plate surface and a connecting section connected with the plate surface, wherein the connecting section is axially provided with a transmission gear which can be matched with the locking plate mounting groove to limit the driving adapter plate to axially rotate relative to the adapter shaft, and the plate surface is symmetrically provided with two shallow holes along the axial direction;
the limiting nut comprises a top plate and an annular plate connected with the top plate, internal threads are arranged on the inner side of the annular plate and matched with the thread section at the tail end of the adapter shaft, two screw holes are symmetrically formed in the top plate along the axial direction, and the positions of the screw holes correspond to those of the shallow holes;
and the screw is matched with the screw hole and the shallow hole and is used for fixing the limiting nut on the drive adapter plate.
2. A drive arrangement as claimed in claim 1, characterized in that the connecting section is provided with 4 gearing teeth in the axial direction.
3. The drive of claim 2, wherein 4 of said drive teeth are evenly spaced circumferentially of the connecting section.
4. A dynamic balance process using the dynamic balance driving apparatus according to any one of claims 1 to 3, the dynamic balance process comprising the steps of,
s1, mounting the drive adapter plate on the tail end of the adapter shaft to enable the transmission teeth to be meshed with the locking plate mounting grooves;
s2, mounting the limit nut to the tail end of the transfer shaft, and enabling the limit nut and the transfer shaft to be fixed in a threaded fit manner;
s3, aligning the screw holes and the shallow holes, screwing the screws, and fixing the limiting nuts on the driving adapter plate;
s4, connecting the drive adapter plate with a balancing machine;
and S5, starting the balancing machine to collect the unbalance amount of the turbine rotor.
5. A dynamic balancing process according to claim 4, further comprising the step of,
s6, loosening the screw;
s7, rotating the limiting nut to enable the limiting nut to rotate 180 degrees to align the screw hole and the shallow hole, screwing the screw again, and fixing the limiting nut on the driving adapter plate;
and S8, starting the balancing machine to collect the unbalance amount of the turbine rotor.
6. The dynamic balancing process of claim 4, wherein in step S3, the limit nut is first tightened to make the top plate of the limit nut fit to the disk surface of the drive adapter disk, and then the limit nut is rotated in the reverse direction to make the screw holes and the shallow holes aligned one by one.
7. The dynamic balancing process of claim 6, wherein in step S4, the coupling shaft of the balancing machine is fixed to the drive adapter plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110337490.4A CN112729683B (en) | 2021-03-30 | 2021-03-30 | Dynamic balance process and driving device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110337490.4A CN112729683B (en) | 2021-03-30 | 2021-03-30 | Dynamic balance process and driving device thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112729683A CN112729683A (en) | 2021-04-30 |
| CN112729683B true CN112729683B (en) | 2021-07-06 |
Family
ID=75596027
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110337490.4A Active CN112729683B (en) | 2021-03-30 | 2021-03-30 | Dynamic balance process and driving device thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112729683B (en) |
Family Cites Families (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2989065B2 (en) * | 1992-02-04 | 1999-12-13 | 株式会社ミツバ | Rotational body imbalance correction device |
| JP3224689B2 (en) * | 1994-07-05 | 2001-11-05 | 三菱重工業株式会社 | Low and high speed balance test equipment for rotating body |
| CN101514934B (en) * | 2009-03-30 | 2011-03-23 | 重庆长安汽车股份有限公司 | Dynamic balance measuring device of disc-type rotor |
| CN201546764U (en) * | 2009-12-14 | 2010-08-11 | 中国船舶重工集团公司第七○三研究所 | Connecting mechanism of high-speed rotor impeller |
| CN102564697B (en) * | 2010-12-24 | 2014-07-23 | 沈阳黎明航空发动机(集团)有限责任公司 | Dynamic balance assembly testing device of engine rotors |
| CN103743521B (en) * | 2013-12-30 | 2016-02-17 | 常州环能涡轮动力股份有限公司 | Integral movable balance clamp of turbocharger |
| CN105319012B (en) * | 2015-12-02 | 2018-07-13 | 中核(天津)科技发展有限公司 | Dynamic balancing machine standard calibration rotor with inner conical surface |
| EP3444463B1 (en) * | 2016-05-26 | 2021-09-01 | Mitsubishi Heavy Industries Engine & Turbocharger, Ltd. | Imbalance detection device and imbalance detection method |
| CN206448845U (en) * | 2016-12-21 | 2017-08-29 | 中国南方航空工业(集团)有限公司 | Stop-motion lock piece locking device |
| CN107014562B (en) * | 2017-04-26 | 2023-07-14 | 北京航天动力研究所 | High-speed dynamic balance supporting device for flexible rotor of turbopump of liquid rocket engine |
| CN107328523B (en) * | 2017-09-04 | 2019-04-16 | 中国航发南方工业有限公司 | Turbine rotor balancing test fixture and balancing rig |
| CN208313508U (en) * | 2018-05-28 | 2019-01-01 | 河南森源重工有限公司 | Dynamic balance of impeller experimental rig and its test shaft assembly |
| CN110640446B (en) * | 2018-06-27 | 2021-08-17 | 中国航发商用航空发动机有限责任公司 | Device and method for screwing back shaft nut of high-pressure turbine of aircraft engine |
| US10989224B2 (en) * | 2018-11-14 | 2021-04-27 | Garrett Transportation I Inc | Rotor with balancing features and balancing method |
| CN109333412B (en) * | 2018-12-07 | 2020-08-25 | 中国航发南方工业有限公司 | Locking plate disassembling tool of turbine rotor assembly |
| CN209868429U (en) * | 2019-05-09 | 2019-12-31 | 中国航发商用航空发动机有限责任公司 | Nut force limiting tool |
| CN111044222A (en) * | 2019-11-22 | 2020-04-21 | 北京动力机械研究所 | Integral mechanical balance device and method for micro turbojet engine |
| CN212043551U (en) * | 2020-04-30 | 2020-12-01 | 中国航发商用航空发动机有限责任公司 | Rotary supporting device |
| CN212351797U (en) * | 2020-06-16 | 2021-01-15 | 中国航发商用航空发动机有限责任公司 | Fastening assembly easy to assemble and disassemble |
| CN212553665U (en) * | 2020-06-22 | 2021-02-19 | 中国航发商用航空发动机有限责任公司 | Rotor balance assembly and fastener installation tool |
-
2021
- 2021-03-30 CN CN202110337490.4A patent/CN112729683B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN112729683A (en) | 2021-04-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9664107B2 (en) | Driving device for hybrid working machine | |
| US9989141B2 (en) | Fastening structure for fastening driven member to strain wave gearing device unit, and strain wave gearing device unit | |
| CN104373378A (en) | Semi-open type impeller and main shaft connection device and rotor of centrifugal compressor and installation method | |
| CN107813261A (en) | Split type torque adjusting mechanism for disassembling and assembling threaded locking ring | |
| EP4394208A1 (en) | Power shaft structure of electric drive assembly | |
| EP2875247B1 (en) | Permanent visual indicator and diametrical to axial relation gage and method of using same | |
| CN112729683B (en) | Dynamic balance process and driving device thereof | |
| CN211667116U (en) | Positioning structure of split type cross shaft | |
| CN110259718B (en) | Combined overspeed test tool for air compressing impeller of steam compressor and using method thereof | |
| CN2061227U (en) | Mechanical transmission device with removable shaft coupling piece | |
| CN207989574U (en) | A kind of dynamometer machine shaft coupling | |
| CN202073941U (en) | Expansion coupling sleeve | |
| KR20160144451A (en) | Coupling device for connecting a clutch to a turbine train | |
| CN210290231U (en) | Combined overspeed test tool for compressed air impeller of steam compressor | |
| CN204308213U (en) | A kind of horizontal Machining centers main axle structure | |
| CN208849570U (en) | Shaft core, rotor, motor and machine tool | |
| CN206952897U (en) | A kind of device for bearing assembling | |
| CN210589088U (en) | Locking tool of nut for machine tool spindle | |
| CN111120528A (en) | But quick assembly disassembly's axle sleeve flange | |
| CN219673226U (en) | Tandem conical gear with tandem aggregate structure | |
| CN113092109B (en) | Planetary wheel bearing test tool | |
| CN217207403U (en) | Spline transmission locking structure | |
| CN216343530U (en) | Main shaft locking device of diaphragm coupling | |
| CN220488134U (en) | Bearing assembly structure and cam intermittent divider | |
| CN210637396U (en) | Motor-driven screw mechanism |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |