CN217466232U - Rotor axial force loading device - Google Patents
Rotor axial force loading device Download PDFInfo
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- CN217466232U CN217466232U CN202221699618.8U CN202221699618U CN217466232U CN 217466232 U CN217466232 U CN 217466232U CN 202221699618 U CN202221699618 U CN 202221699618U CN 217466232 U CN217466232 U CN 217466232U
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- axial force
- rotor
- shaft portion
- force loading
- shaft
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Abstract
A rotor axial force loading device is used for applying axial load to a rotor and does not limit the rotation of the rotor, and comprises a rotor connecting part, an axial force loading part and an axial force transmission part, wherein the rotor connecting part is used for connecting the rotor, the axial force loading part is used for generating axial force, and the axial force transmission part is connected with the rotor connecting part and the axial force loading part and is used for transmitting the axial force to the rotor connecting part; the axial force transmission part comprises a bidirectional thrust bearing, the bidirectional thrust bearing comprises a tight ring part, a loose ring part and a rolling body, the tight ring part is connected with the axial force loading part, the loose ring part is connected with the rotor connecting part, and the rolling body is located between the tight ring part and the loose ring part.
Description
Technical Field
The utility model relates to an aeroengine test, concretely relates to rotor axial force loading device.
Background
The aeroengine rotor is usually fixed by bearings at the front end and the rear end and can flexibly rotate, and in some aeroengine tests, the rotor needs to be applied with axial load along the forward direction (from the rear end of the engine to the front end) or along the reverse direction (from the front end of the engine to the rear end) while the rotor is still ensured to normally rotate.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a rotor axial force loading device for exert axial load and do not restrict the rotor rotation to the rotor.
According to the embodiment of the present invention, the rotor axial force loading device includes a rotor connecting portion, an axial force loading portion and an axial force transmitting portion, the rotor connecting portion is used for connecting a rotor, the axial force loading portion is used for generating an axial force, and the axial force transmitting portion is connected to the rotor connecting portion and the axial force loading portion and is used for transmitting the axial force to the rotor connecting portion;
the axial force transmission part comprises a bidirectional thrust bearing, the bidirectional thrust bearing comprises a tight ring part, a loose ring part and a rolling body, the tight ring part is connected with the axial force loading part, the loose ring part is connected with the rotor connecting part, and the rolling body is located between the tight ring part and the loose ring part.
In one or more embodiments, the rotor attachment portion is configured to attach to a low pressure turbine rotor support cone wall having a bore portion at a center, the rotor attachment portion including a first shaft portion configured to threadably attach to the bore portion.
In one or more embodiments, the hole portion has a first tooth portion on an end surface of a hole wall, and the rotor connecting portion further includes a second tooth portion fixedly connected to the first shaft portion, the second tooth portion being configured to engage the first tooth portion.
In one or more embodiments, the rotor connecting portion further includes a second shaft portion, the second shaft portion is sleeved on the first shaft portion and is tightly connected, and the second shaft portion has the second tooth portion on an end surface.
In one or more embodiments, the second shaft portion is securely connected to the first shaft portion by a latch.
In one or more embodiments, the axial force transmitting portion further includes a third shaft portion, the bidirectional thrust bearing is sleeved on the third shaft portion, and the tightening ring portion is connected to the axial force loading portion through the third shaft portion.
In one or more embodiments, the third shaft portion has a detachable hinge in the middle.
In one or more embodiments, the axial force transmitting portion further includes a bearing pressing portion that is fitted over the third shaft portion and presses the collar portion to the third shaft portion.
In one or more embodiments, the axial force loading portion includes an axial push-pull member, a track, and a rotating handle that is threadably mounted for rotation to drive the axial push-pull member to move axially on the track, generating an axial force.
In one or more embodiments, the axial force transmitting portion further includes a third shaft portion, the bidirectional thrust bearing is sleeved on the third shaft portion, and the tightening ring portion is connected to the axial force loading portion through the third shaft portion;
the axial force loading part further comprises a push-pull force meter, and the third shaft part is connected with the axial push-pull piece through the push-pull force meter.
In one or more embodiments, the bidirectional thrust bearing is a bidirectional thrust ball bearing.
The embodiment of the utility model discloses an at least one of following beneficial effect has:
the bidirectional thrust bearing is arranged on the axial force transmission part, so that the rotation relevance of the rotor connecting part and the axial force loading part is cut off, the rotation of the rotor is not limited due to the axial loading of the axial force loading part, and the test requirement that the rotor is not limited by the axial load applied to the rotor is met.
Drawings
The above and other features, properties and advantages of the present invention will become more apparent from the following description of the embodiments with reference to the accompanying drawings, in which:
FIG. 1 is a schematic view of a rotor axial force loading device in use;
FIG. 2 is a schematic structural diagram of a rotor axial force loading device;
FIG. 3 is a partial schematic structural view of a rotor axial force loading device;
FIG. 4 is a partial schematic structural view of a rotor axial force loading device;
FIG. 5 is a partial schematic structural view of a rotor axial force loading device;
reference numerals:
1-rotor axial force loading device;
2-a rotor connection;
21-a first shaft portion;
22-a second shaft portion;
23-a latch;
24-pin holes;
25-a bearing housing;
251-a first hub portion;
252-a second hub portion;
3-an axial force loading part;
31-axial push-pull member;
32-track;
33-rotating the handle;
34-a push-pull dynamometer;
4-an axial force transfer section;
41-bidirectional thrust bearing;
411-a clamping ring part;
412-loose ring part;
413-rolling bodies;
42-a third shaft portion;
421-a detachable hinge;
43-a bearing hold down;
431-shaft sleeve;
432-a nut;
433-cotter pin;
5-a tooling part;
51-a fixed beam;
52-a handle;
6-a rotor;
61-low pressure turbine rotor support cone wall;
611-hole portion.
Detailed Description
The present invention will be further described with reference to the following embodiments and drawings, and more details will be set forth in the following description in order to provide a thorough understanding of the present invention, but it is obvious that the present invention can be implemented in various other ways different from those described herein, and those skilled in the art can make similar generalizations and deductions according to the actual application without departing from the spirit of the present invention, and therefore, the scope of the present invention should not be limited by the contents of the embodiments.
It should be noted that these and other figures are given by way of example only and are not drawn to scale, and should not be construed as limiting the scope of the invention as it is actually claimed.
The terms "first," "second," and the like may be used interchangeably to distinguish one feature from another and are not intended to indicate that the various features must be located as shown in the figures in various embodiments.
Fig. 1 shows a use state of the rotor axial force loading device 1. Fig. 2 shows a sectional structure of the components of the rotor axial force loading device 1. As shown in fig. 1 and 2, the rotor axial force loading device 1 includes a rotor connecting portion 2, an axial force loading portion 3, and an axial force transmitting portion 4.
With continued reference to fig. 1, the rotor connection 2 is used to connect the rotor 6. The rotor connecting portion 2 is a substantially shaft-like member, and in a use state, the rotor connecting portion 2 is tightly coupled to the center of the rotor 6 to apply an axial force to the rotor 6.
With continued reference to fig. 2, the axial force loading portion 3 is used to generate an axial force. In one embodiment, the axial force loading portion 3 generates an axial force by axial movement of its components, pushing and pulling the components to generate axial forces in two directions.
With continued reference to fig. 2, the axial force transmitting portion 4 connects the rotor connecting portion 2 and the axial force loading portion 3 for transmitting the axial force to the rotor connecting portion 2. In one embodiment, the axial force transmitting portion 4 is a substantially shaft-shaped member, one end of the axial force transmitting portion 4 is connected to the rotor connecting portion 2, the other end of the axial force transmitting portion 4 is connected to the axial force applying portion 3, and in a use state, the axial force generated by the axial force applying portion 3 is transmitted to the rotor connecting portion 2 by the axial force transmitting portion 4.
With continued reference to fig. 2, the axial force transmission part 4 includes a double-direction thrust bearing 41, fig. 4 shows the structure of the axial force transmission part 4, and with further reference to fig. 4, the double-direction thrust bearing 41 includes a tight ring part 411, a loose ring part 412, and rolling bodies 413. The bidirectional thrust bearing 41 can bear axial force in two directions to realize transmission of the axial force in two directions.
With continued reference to fig. 4, the clamping ring portion 411 is connected to the axial force loading portion 3, and the clamping ring portion 411 has a small bearing inner diameter and cannot rotate relative to the axial force loading portion 3. In the embodiment shown in fig. 4, the axial force transmitting portion 4 further includes a third shaft portion 42, which will be described later, a tightening ring portion 411 is tightly fitted to the third shaft portion 42, the third shaft portion 42 is connected to the axial force applying portion 3 at one end, and the tightening ring portion 411 is connected to the axial force applying portion 3 via the third shaft portion 42. In another embodiment, the grip ring portion 411 is connected to the axial force loading portion 3 by other means.
With continued reference to fig. 4, the loose ring portion 412 is connected to the rotor connecting portion 2, the loose ring portion 412 cannot rotate relative to the rotor connecting portion 2, and the loose ring portion 412 has a large bearing inner diameter and can rotate relative to the axial force loading portion 3. In the embodiment shown in fig. 4, the rotor connecting portion 2 includes a bearing housing portion 25, which will be described later, the two-way thrust bearing 41 is disposed in the bearing housing portion 25, the rotor connecting portion 2 is connected to a loose ring portion 412 of the two-way thrust bearing 41 through the bearing housing portion 25, the loose ring portion 412 is tightly sleeved in the bearing housing portion 25 and cannot rotate relative to the rotor connecting portion 2, and the loose ring portion 412 is further sleeved in the third shaft portion 42 with a radial spacing and can rotate relative to the third shaft portion 42, and thus can rotate relative to the axial force loading portion 3. In another embodiment, the bearing receiving portion 25 is of another structure.
With continued reference to fig. 4, the rolling elements 413 are located between the tight ring portion 411 and the loose ring portion 412, and can rotate relatively between the tight ring portion 411 and the loose ring portion 412. In the use state, the axial force generated by the axial force applying portion 3 is transmitted to the rotor connection portion 2 by the bidirectional thrust bearing 41 of the axial force transmitting portion 4, and the axial force is transmitted to the tightening ring portion 411, the rolling bodies 413, the loosening ring portion 412, the rotor connection portion 2 in this order by the axial force applying portion 3, and finally transmitted to the rotor 6. The rotor 6 rotates to drive the rotor connecting part 2 and the loose ring part 412 to synchronously rotate, the loose ring part 412 drives the rolling body 413 to roll, the rotation of the loose ring part 412 is compensated by the rolling of the rolling body 413, the tight ring part 411 is not driven by the loose ring part 412, the tight ring part 411 does not rotate, the axial force loading part 3 does not rotate, and the process can be understood, the bidirectional thrust bearing 41 is arranged on the axial force transmission part 4, the relevance of the rotor connecting part 2 and the axial force loading part 3 in rotation is cut off, so that the rotation of the rotor 6 is not limited due to the axial loading of the axial force loading part 3, and the test requirement that the rotor 6 is applied with the axial load and the rotation of the rotor 6 is not limited is met.
With continued reference to fig. 1, in the illustrated embodiment, the rotor connection portion 2 is used to connect a low pressure turbine rotor supporting conical wall 61, the low pressure turbine rotor supporting conical wall 61 has a hole portion 611 at the center, the rotor connection portion 2 includes a first shaft portion 21, and the first shaft portion 21 is used to screw-connect the hole portion 611. The hole 611 has an internal thread, the first shaft 21 has an external thread at a tip (left end in the figure), and in the use state, the tip of the first shaft 21 is screwed into the hole 611, and the screw coupling is capable of transmitting axial forces in two directions so that the rotor connecting portion 2 applies the axial forces in two directions to the rotor 6.
With continued reference to fig. 1, in the illustrated embodiment, the hole portion 611 has a first tooth portion on an end surface of the hole wall, and the rotor connecting portion 2 further includes a second tooth portion that is fastened to the first shaft portion 21 and is configured to engage with the first tooth portion. The first toothing is a crown of teeth distributed over the annular hole wall end face of the hole portion 611. The second tooth portion is located at the radial outer side of the first shaft portion 21, is also a circle of crown-shaped teeth, and is tightly connected with the first shaft portion 21 in a use state (namely, an assembly finished state), and when the assembly is not finished, the second tooth portion and the first shaft portion 21 can relatively rotate, so that the screwing-in process of the threaded connection of the first shaft portion 21 does not interfere with the engagement of the second tooth portion and the first tooth portion. In a use state, the second tooth portion is engaged with the first tooth portion, the rotation of the low-pressure turbine rotor supporting conical wall 61 drives the second tooth portion to synchronously rotate, and further drives the first shaft portion 21 to synchronously rotate, so that the rotor 6 and the rotor connecting portion 2 are synchronously rotated, and the threaded connection between the low-pressure turbine rotor supporting conical wall 61 and the first shaft portion 21 is prevented from loosening due to relative rotation.
Fig. 3 shows the structure of the rotor connecting portion 2. In the embodiment shown in fig. 3, the rotor connecting portion 2 further includes a second shaft portion 22, the second shaft portion 22 is sleeved on the first shaft portion 21 and fastened, and the second shaft portion 22 has a second tooth portion on an end surface. The second shaft portion 22 is a hollow shaft, the second shaft portion 22 is penetrated through the first shaft portion 21 from the center, and the second shaft portion 22 is sleeved on the radial outer side of the first shaft portion 21. The second shaft portion 22 has a second tooth portion on an end surface of a head end (left end in the drawing). The second shaft portion 22 and the first shaft portion 21 are tightly connected in a use state (i.e., an assembly completed state), and when the assembly is not completed, the second shaft portion 22 and the first shaft portion 21 can relatively rotate, so that the screwing process of the threaded connection of the first shaft portion 21 does not interfere with the engagement of the second teeth portion and the first teeth portion. In a use state, the second tooth part is connected with the first tooth part, the second shaft part 22 is driven to synchronously rotate by the rotation of the low-pressure turbine rotor supporting conical wall 61, and then the first shaft part 21 is driven to synchronously rotate, so that the rotor 6 and the rotor connecting part 2 synchronously rotate, and the threaded connection between the low-pressure turbine rotor supporting conical wall 61 and the first shaft part 21 is prevented from loosening due to relative rotation.
With continued reference to FIG. 3, in the illustrated embodiment, the second shaft portion 22 is fixedly coupled to the first shaft portion 21 by a pin 23. The wall surfaces of the second shaft part 22 and the first shaft part 21 are circumferentially provided with a plurality of pin holes 24, a plurality of pins 23 are inserted into the plurality of pin holes 24, each pin 23 is inserted into one pin hole 24 of the second shaft part 22 and one pin hole 24 of the first shaft part 21, the second shaft part 22 is tightly connected with the first shaft part 21, and the second shaft part 22 and the first shaft part 21 are conveniently and quickly disassembled.
As described above, the rotor connecting portion 2 further includes the bearing receiving portion 25, and with continued reference to fig. 3, in the illustrated embodiment, the bearing receiving portion 25 is located at the distal end (illustrated right end) of the first shaft portion 21, the bearing receiving portion 25 includes the first hub portion 251 and the second hub portion 252, and the first hub portion 251 and the second hub portion 252 are screwed and fastened and connected to the first shaft portion 21. A receiving space is formed between the first boss portion 251 and the second boss portion 252 for receiving the bidirectional thrust bearing 41.
Fig. 4 shows the structure of the axial force transmission part 4, wherein the third shaft part 42 only shows a part, and also the bearing receiving part 25. With continued reference to fig. 4, as mentioned above, the axial force transmitting portion 4 further includes the third shaft portion 42, the bidirectional thrust bearing 41 is sleeved on the third shaft portion 42, and the tightening ring portion 411 is connected to the axial force loading portion 3 through the third shaft portion 42. The third shaft portion 42 has one end provided with the bidirectional thrust bearing 41 and the other end connected to the axial force loading portion 3. The third shaft portion 42 penetrates from the first boss portion 251 of the bearing housing portion 25, and then penetrates from the second boss portion 252 of the bearing housing portion 25. The third shaft portion 42 has a shoulder in the accommodating space of the bearing accommodating portion 25, the tightening ring portion 411 is sleeved on the third shaft portion 42, the inner circumferential surface of the tightening ring portion 411 is tightly attached to the outer circumferential surface of the third shaft portion 42, a radial gap is formed between the outer circumferential surface of the tightening ring portion 411 and the inner circumferential surface of the first boss portion 251, and the end surface of the tightening ring portion 411 is tightly attached to the shoulder.
With continued reference to fig. 4, in the illustrated embodiment, the axial force transmitting portion 4 further includes a bearing pressing portion 43, the bearing pressing portion 43 is sleeved on the third shaft portion 42 and presses the ring portion 411 to the third shaft portion 42, so that the end surface of the ring portion 411 abuts against the shoulder. The bearing pressing portion 43 includes a shaft sleeve 431, a nut 432 and a cotter 433, the end surface of the nut 432 abuts against the end surface of the shaft sleeve 431, so that the other end surface of the shaft sleeve 431 abuts against the end surface of the fastening ring portion 411, and then the fastening ring portion 411 is pressed tightly, the cotter 433 abuts against the end surface of the nut 432 for looseness prevention, and then the fastening ring portion 411 is pressed tightly all the time.
With continued reference to fig. 4, in the illustrated embodiment, the outer peripheral surfaces of the two loose ring portions 412 are abutted against the inner peripheral surface of the first hub portion 251, the outer end surface of one loose ring portion 412 is abutted against the inner end surface of the first hub portion 251, the inner peripheral surface of the loose ring portion 412 has a radial gap with the outer peripheral surface of the third shaft portion 42, the outer end surface of the other loose ring portion 412 is abutted against the inner end surface of the second hub portion 252, and the inner peripheral surface of the loose ring portion 412 has a radial gap with the outer peripheral surface of the sleeve 431.
In the use state, the low-pressure turbine rotor support conical wall 61 rotates, the bearing housing portion 25 and the loose ring portion 412 rotate synchronously, the third shaft portion 42 and the tight ring portion 411 and the bearing pressing portion 43 thereon do not rotate, and the rolling elements 413 roll.
With continued reference to FIG. 4, in the illustrated embodiment, the bidirectional thrust bearing 41 is a bidirectional thrust ball bearing. The rolling bodies 413 are spheres. In another embodiment, the bidirectional thrust bearing 41 is another bearing, such as a bidirectional thrust roller bearing.
With continued reference to FIG. 3, in the illustrated embodiment, the third shaft portion 42 has a removable hinge 421 in the middle. The "middle portion" does not particularly denote the middle position of the third shaft portion 42. The detachable hinge 421 decomposes a single shaft body into two detachable shaft bodies, shortens the length of the single shaft body, facilitates disassembly and assembly, and improves assembly performance and operability. Simultaneously, conveniently according to the experimental demand of difference, replace one or two whole in two axiss. In addition, if the third shaft portion 42 is a single shaft body, the deformation and stress of the third shaft portion 42 can be caused by errors such as coaxiality, and the detachable hinge 421 is arranged to decompose the single shaft body into two shaft bodies to eliminate the deformation and stress.
Fig. 5 shows the structure of the axial force loading portion 3. In the embodiment shown in fig. 5, the axial force loading portion 3 includes an axial push-pull member 31, a track 32, and a rotation handle 33, and the rotation handle 33 is screw-assembled for rotating to drive the axial push-pull member 31 to move on the track 32 in the axial direction, generating an axial force. In the illustrated embodiment, the track 32 is axially disposed, and the axial push-pull member 31 is passed on the outer edge by the track 32 to slide on the track 32. The rotating handle 33 is assembled with the end of the rail 32 through a rod part, the rod part of the rotating handle 33 is provided with an external thread, the head end of the rod part of the rotating handle 33 is rotatably connected with the axial push-pull part 31, the rod part of the rotating handle 33 can be screwed in or out by rotating the rotating handle 33, and then the axial push-pull part 31 is driven to axially advance or axially retreat along the rail 32, so that axial forces in two directions are generated. The thread assembly of the rotating handle 33 has self-locking property under the action of axial force, so that the rotating handle 33 can be stopped at any position in the axial direction, and the axial force generated by the axial push-pull piece 31 is kept stable.
Fig. 5 also shows a partial structure of the axial force transmission part 4. In the embodiment shown in fig. 5, the axial push-pull member 31 is further connected to the third shaft portion 42, and the axial force generated by the axial push-pull member 31 is transmitted to the rotor 6 through the third shaft portion 42, the tight ring portion 411, the rolling bodies 413, the loose ring portion 412, and the rotor connecting portion 2 in sequence.
With continued reference to fig. 5, in the illustrated embodiment, the rotor axial force loading device 1 further includes a tooling portion 5, and the tooling portion 5 is used for fixing the rotor axial force loading device 1. In the illustrated embodiment, the fixture portion 5 includes a fixing beam 51 for fixing to a turbine rear casing (as shown in fig. 1) in a use state, and the fixing beam 51 further has a handle 52 for facilitating mounting and dismounting. The axial force loading portion 3 is fixed to the fixed beam 51 by the rail 32.
With continued reference to fig. 5, in the illustrated embodiment, the axial force loading portion 3 further includes a push-pull force gauge 34, and the third shaft portion 42 is connected to the axial push-pull member 31 through the push-pull force gauge 34. The push-pull dynamometer 34 is illustratively a digital display push-pull dynamometer, and reads the axial force value in real time to avoid damage to the bidirectional thrust bearing 41 due to excessive axial force.
Although the present invention has been described with reference to the above embodiments, it is not intended to limit the present invention, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention.
Claims (11)
1. The rotor axial force loading device is characterized by comprising a rotor connecting part, an axial force loading part and an axial force transmission part, wherein the rotor connecting part is used for connecting a rotor, the axial force loading part is used for generating an axial force, and the axial force transmission part is connected with the rotor connecting part and the axial force loading part and is used for transmitting the axial force to the rotor connecting part;
the axial force transmission part comprises a bidirectional thrust bearing, the bidirectional thrust bearing comprises a tight ring part, a loose ring part and a rolling body, the tight ring part is connected with the axial force loading part, the loose ring part is connected with the rotor connecting part, and the rolling body is located between the tight ring part and the loose ring part.
2. The rotor axial force loading apparatus of claim 1, wherein the rotor coupling portion is configured to couple to a low pressure turbine rotor support cone wall having a bore portion at a center thereof, the rotor coupling portion including a first shaft portion configured to threadably couple to the bore portion.
3. The device for loading axial force on a rotor as recited in claim 2, wherein the bore portion has a first tooth portion on an end surface of a bore wall, the rotor connecting portion further comprises a second tooth portion fixedly connected to the first shaft portion, and the second tooth portion is configured to engage the first tooth portion.
4. The rotor axial force loading device according to claim 3, wherein the rotor connecting portion further includes a second shaft portion that is fitted over the first shaft portion and is fastened thereto, the second shaft portion having the second tooth portion on an end surface.
5. The rotor axial force loading device of claim 4, wherein the second shaft portion is fixedly connected with the first shaft portion by a bolt.
6. The rotor axial force loading device of claim 1, wherein the axial force transmitting portion further comprises a third shaft portion, the bidirectional thrust bearing is sleeved on the third shaft portion, and the tightening ring portion is connected to the axial force loading portion through the third shaft portion.
7. The rotor axial force loading apparatus of claim 6, wherein the third shaft portion has a detachable hinge at a middle portion.
8. The rotor axial force loading device of claim 6, wherein the axial force transmitting portion further comprises a bearing pressing portion, the bearing pressing portion is sleeved on the third shaft portion and presses the tightening ring portion to the third shaft portion.
9. The rotor axial force loading device of claim 1, wherein the axial force loading portion comprises an axial push-pull member, a track and a rotating handle, the rotating handle being threadedly mounted for rotation to drive the axial push-pull member to move axially on the track to generate the axial force.
10. The rotor axial force loading device of claim 9, wherein the axial force transmitting portion further comprises a third shaft portion, the bidirectional thrust bearing is sleeved on the third shaft portion, and the tightening ring portion is connected with the axial force loading portion through the third shaft portion;
the axial force loading part further comprises a push-pull force meter, and the third shaft part is connected with the axial push-pull piece through the push-pull force meter.
11. The rotor axial force loading device of claim 1, wherein the bidirectional thrust bearing is a bidirectional thrust ball bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221699618.8U CN217466232U (en) | 2022-06-28 | 2022-06-28 | Rotor axial force loading device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221699618.8U CN217466232U (en) | 2022-06-28 | 2022-06-28 | Rotor axial force loading device |
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| Publication Number | Publication Date |
|---|---|
| CN217466232U true CN217466232U (en) | 2022-09-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202221699618.8U Active CN217466232U (en) | 2022-06-28 | 2022-06-28 | Rotor axial force loading device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115824618A (en) * | 2023-02-20 | 2023-03-21 | 西安航天动力研究所 | Rotor axial force loading device and rotor testing system |
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2022
- 2022-06-28 CN CN202221699618.8U patent/CN217466232U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115824618A (en) * | 2023-02-20 | 2023-03-21 | 西安航天动力研究所 | Rotor axial force loading device and rotor testing system |
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