CN116067647A - 150000rpm high-speed shaft test bed - Google Patents
150000rpm high-speed shaft test bed Download PDFInfo
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- CN116067647A CN116067647A CN202310280923.6A CN202310280923A CN116067647A CN 116067647 A CN116067647 A CN 116067647A CN 202310280923 A CN202310280923 A CN 202310280923A CN 116067647 A CN116067647 A CN 116067647A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/02—Gearings; Transmission mechanisms
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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Abstract
The application discloses a 150000rpm high-speed shaft test bed. Comprising the following steps: the rotation unit and the test unit that cooperate to use, the rotation unit includes: a first support base; the first supporting seat is provided with a driving device and two high-speed bearings, and the two high-speed bearings are distributed along the extending direction of a driving shaft of the driving device; the driving shaft of the driving device is connected with the testing shaft through the flexible connecting component, and the testing shaft penetrates through the two high-speed bearings and is rotationally connected with the two high-speed bearings; the test unit includes: the second supporting seat is arranged between the first supporting seat and the test shaft; the second supporting seat is provided with two ranging groups, the two ranging groups are positioned on two sides of the test shaft, and the detection end of the ranging group faces the side wall of the test shaft; the requirement of researching the high-speed rotation state of the rotating shaft is met, and the accuracy of a research result is ensured.
Description
Technical Field
The application relates to the technical field of rotating shaft high-speed testing equipment, in particular to a 150000rpm high-speed shaft test bed.
Background
With the continuous development of the energy industry and the aerospace industry, the requirements of human beings on rotating instruments are also higher and higher; higher rotational speeds, smoother operation, lower power consumption, etc., are all targets pursued by all researchers.
In order to achieve the above object, it is extremely important to study the rotor of the core component of the rotating apparatus, since the theoretical development of the rotor dynamics is mainly based on linearization theory and simulation calculation, and the actual running state of the rotor is nonlinear, the conclusion of the rotor theoretical study often deviates greatly from the actual running state of the rotor, so that the rotor according to the theoretical study cannot achieve the expected effect in practice. However, in studies based on experimental development, the conventional test bench structure cannot provide a high rotational speed to the rotor, and cannot study the rotor rotating at a high speed. Therefore, we propose a 150000rpm high speed shaft test stand to solve the above problems.
Disclosure of Invention
In view of the above-described drawbacks or shortcomings in the prior art, it is desirable to provide a 150000rpm high-speed shaft test stand that satisfies the need to study the high-speed rotation state of a rotating shaft, and ensures the accuracy of the study result.
In a first aspect, the present application provides a 150000rpm high speed shaft test stand comprising:
a rotating unit and a testing unit which are matched for use,
the rotation unit includes: a first support base; the first supporting seat is provided with a driving device and two high-speed bearings, and the two high-speed bearings are distributed along the extending direction of a driving shaft of the driving device; the driving shaft of the driving device is connected with the testing shaft through the flexible connecting component, and the testing shaft penetrates through the two high-speed bearings and is rotationally connected with the two high-speed bearings;
the test unit includes: the second supporting seat is arranged between the first supporting seat and the test shaft; the second supporting seat is provided with two ranging groups, the two ranging groups are positioned on two sides of the testing shaft, and the detection end of the ranging group faces the side wall of the testing shaft.
According to the technical scheme provided by the embodiment of the application, the flexible connection assembly comprises:
a first adapter flange disposed at an end of the drive shaft of the drive device;
a second adapter flange disposed at an end of the test shaft proximate the drive; the second adapter flange is connected with the first adapter flange through a flexible connecting rope.
According to the technical scheme provided by the embodiment of the application, the method further comprises the following steps: a tightening unit;
the tightening unit includes:
a support base having two support base tables; the two support base tables are positioned at two sides of the first support base, which are parallel to the driving shaft of the driving device, and two ends of the second support base are respectively positioned on the two support base tables;
a jack assembly provided on the support table, the jack assembly having a plurality of jacks; the propping pieces on the same supporting base table are matched with each other to jointly prop up the end parts of the corresponding second supporting base.
According to an embodiment of the present application, the same number of the jacks are mounted on two of the support tables.
According to the technical scheme provided by the embodiment of the application, the jacking piece comprises:
a jack frame disposed on the respective support base;
the jacking base plate is installed on the jacking frame through a jacking pin, and the surface, away from the jacking frame, of the jacking base plate is in close contact with the end face of the second supporting seat or the side wall close to the end face.
According to the technical scheme provided by the embodiment of the application, the method further comprises the following steps: a mounting housing provided on the first support base for mounting the driving device;
the mounting housing includes:
the locking lower shell is internally provided with a first cavity; a first connecting port is formed at one end of the locking lower shell; the side wall of the locking lower shell is provided with a first through groove communicated with the first connecting port;
the locking upper shell is internally provided with a second cavity, and one end of the locking upper shell is provided with a second connecting port; the side wall of the locking upper shell is provided with a second through groove communicated with the second connecting port;
when the first connecting port and the second connecting port are mutually matched, the first cavity and the second cavity are communicated, and the first through groove and the second through groove are communicated.
According to the technical scheme provided by the embodiment of the application, the method further comprises the following steps: a base station for mounting the first support base and the support base table.
According to the technical scheme provided by the embodiment of the application, the bottom of the base station is also provided with an auxiliary damping component;
the auxiliary shock absorbing assembly includes:
the ground anchor is provided with a connecting part and a mounting part; the connecting part is connected with the bottom of the base station, and the mounting part is arranged at a reserved mounting hole on the ground;
and the isolation belt is arranged below the ground and surrounds the ground anchor.
According to the technical scheme provided by the embodiment of the application, the method further comprises the following steps: the number of the bearing seats is two, and the bearing seats are arranged on the first supporting seat and used for installing the corresponding high-speed bearings.
According to the technical scheme provided by the embodiment of the application, the distance measuring group is provided with a plurality of optical distance measuring sensors which are uniformly distributed along the axis direction of the test shaft.
In summary, the present application specifically discloses a specific structure of a 150000rpm high speed shaft test stand. The rotary unit comprises a first supporting seat, a driving device and two high-speed bearings are arranged on the first supporting seat, a driving shaft of the driving device is connected with a testing shaft through a flexible connecting assembly, the two high-speed bearings are arranged along the extending direction of the driving shaft, and the testing shaft penetrates through the two high-speed bearings and is rotationally connected with the two high-speed bearings; the test unit comprises a second supporting seat, wherein the second supporting seat is positioned between the first supporting seat and the test shaft, two ranging groups positioned on two sides of the test shaft are arranged on the second supporting seat, and the detection ends of the ranging groups face the side wall of the test shaft.
During the test, starting the ranging group to detect the test shaft to obtain initial data, starting the driving device to drive the test shaft to rotate to an ideal rotation speed, continuously detecting the deformation of the test shaft by the ranging group, and finally obtaining the test shaft meeting the preset requirement by continuously iterating the test shafts with different specifications; the requirement of researching the high-speed rotation state of the rotating shaft is met, a flexible connection mode is adopted between the driving device and the corresponding test shaft, the distance measuring group can detect the real deformation of the test shaft, and the accuracy of a research result is guaranteed.
Drawings
Other features, objects and advantages of the present application will become more apparent upon reading of the detailed description of non-limiting embodiments, made with reference to the following drawings, in which:
FIG. 1 is a schematic view of the overall structure of a 150000rpm high-speed shaft test stand.
FIG. 2 is a schematic top view of a 150000rpm high speed shaft test stand.
Fig. 3 is a schematic structural diagram of a portion a in fig. 2.
Fig. 4 is a schematic structural diagram of a portion B in fig. 2.
Fig. 5 is a schematic structural diagram of the portion C in fig. 3.
Fig. 6 is a schematic structural view of the auxiliary shock absorbing assembly.
Reference numerals in the drawings: 1. a first support base; 2. a driving device; 3. a high-speed bearing; 4. a test shaft; 5. a second support base; 6. a first adapter flange; 7. a second adapter flange; 8. a flexible connecting rope; 9. supporting the base table; 10. a pushing frame; 11. tightly pushing the backing plate; 12. tightly pushing the pin; 13. locking the lower shell; 14. locking the upper shell; 15. a base station; 16. an earth anchor; 17. ground surface; 18. a separator; 19. a bearing seat; 20. an optical ranging sensor.
Detailed Description
The present application is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be noted that, for convenience of description, only the portions related to the invention are shown in the drawings.
It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other. The present application will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
Example 1
Referring to fig. 1 and 2, a schematic structural diagram of a first embodiment of a 150000rpm high-speed shaft test stand provided in the present application includes:
a rotating unit and a testing unit which are matched for use,
the rotation unit includes: a first support base 1; the first supporting seat 1 is provided with a driving device 2 and two high-speed bearings 3, and the two high-speed bearings 3 are arranged along the extending direction of a driving shaft of the driving device 2; the driving shaft of the driving device 2 is connected with a test shaft 4 through a flexible connecting component, and the test shaft 4 penetrates through the two high-speed bearings 3 and is rotationally connected with the two high-speed bearings;
the test unit includes: a second supporting seat 5, wherein the second supporting seat 5 is arranged between the first supporting seat 1 and the test shaft 4; the second supporting seat 5 is provided with two ranging groups, the two ranging groups are positioned on two sides of the test shaft 4, and the detection end of the ranging group faces the side wall of the test shaft 4.
In the embodiment, the rotating unit and the testing unit are matched to use the testing shafts 4 with different specifications through multiple rounds of testing, and finally the testing shafts 4 meeting the required specifications are obtained;
wherein, the rotation unit includes:
a first supporting seat 1, the upper surface of which forms a mounting surface for mounting a driving device 2 and two high-speed bearings 3; the driving device 2 is provided with a driving shaft, two high-speed bearings 3 are arranged along the extending direction of the driving shaft, and test shafts 4 with different specifications can be installed between the two high-speed bearings 3, the test shafts 4 penetrate through the two high-speed bearings 3 and are rotationally connected with the two high-speed bearings 3, and the two high-speed bearings 3 play a supporting role on the rotation of the test shafts 4. The test shaft 4 and the driving shaft are concentrically arranged, the driving shaft of the driving device 2 is connected with the test shaft 4 through a flexible connecting component, the driving device 2 drives the test shaft 4 to rotate and can accelerate to an ideal rotating speed, and high-speed rotation of the test shaft 4 is realized.
Here, the ideal rotational speed is 150000rpm, the type of the driving device 2 is, for example, a high-speed motor, and the rotational speed range is 0 to 150000rpm.
The test unit includes:
a second supporting seat 5, which is arranged between the first supporting seat 1 and the test shaft 4 and is used for installing a distance measuring group;
the two distance measuring groups are arranged on the second supporting seat 5, are positioned on two sides of the test shaft 4, and the detection ends of the distance measuring groups face the side wall of the test shaft 4 and are used for testing the deformation of the test shaft 4 arranged between the high-speed bearings 3; each of the ranging groups has a plurality of optical ranging sensors 20 uniformly arranged along the axial direction of the test shaft 4, and each of the optical ranging sensors 20 has a detection end facing the side wall of the test shaft 4. The number of fiber optic ranging sensors 20 per ranging group is 10, for example, as shown in fig. 4.
Wherein, the second supporting seat 5 is provided with two mounting seats positioned at two sides of the test shaft 4, and the mounting seats and the second supporting seat 5 can be connected by gluing; each mounting base is provided with a plurality of uniformly distributed mounting positions for mounting the corresponding optical ranging sensor 20.
The test shafts 4 with different specifications are driven to rotate to an ideal rotating speed in an acceleration way through the driving device 2, deformation of the test shafts 4 is continuously detected by the ranging group, the test shafts meeting preset requirements are finally obtained, the requirement for researching the high-speed rotating state of the rotating shaft is met, in addition, a flexible connection mode is adopted between the driving device 2 and the corresponding test shafts 4, the real deformation of the test shafts 4 can be detected by the ranging group, and the accuracy of research results is guaranteed.
Further, as shown in fig. 3, the flexible connection unit includes:
a first switching flange 6 provided at an end of the drive shaft of the drive device 2 as a connecting member of the drive shaft;
a second adapter flange 7 provided at an end of the test shaft 4 near the drive device 2, and the second adapter flange 7 is located between the high-speed bearing 3 relatively near the drive device 2 and the drive device 2 as a connection member of the test shaft 4; the second adapter flange 7 is connected with the first adapter flange 6 through the flexible connection rope 8, the driving shaft of the driving device 2 and the end part of the test shaft 4 are flexibly connected, the test shaft 4 can be smoothly driven to rotate when the driving device 2 is started and stopped, the deformation of the test shaft 4 cannot be influenced by the driving device 2, the authenticity and the accuracy of test are ensured, and meanwhile, the damage to the driving device 2 caused by the deformation of the test shaft 4 can be avoided. The flexible connecting cord 8 is here of the type, for example a fibre cord.
The flexible connection rope 8 is connected with the first adapter flange 6 and the second adapter flange 7 through bolts, for example, the first adapter flange 6 is installed at the end part of the driving shaft of the driving device 2 through screws, the second adapter flange 7 is installed at the end part of the testing shaft 4, which is close to the driving device 2, through screws, and the screws play a role in pressing the corresponding flanges.
Further, the method further comprises the following steps: a tightening unit; as shown in fig. 1 and 2, the tightening unit includes:
a support table 9, two in number; the two support base tables 9 are positioned at two sides of the first support base 1, which are parallel to the driving shaft of the driving device 2, and two ends of the second support base 5 are respectively positioned on the two support base tables 9, so that the two ends of the second support base 5 are supported, and the detection end of the distance measuring group on the second support base 5 can stably detect the deformation of the test shaft 4;
a jack assembly provided on the support table 9, the jack assembly having a plurality of jacks; the propping pieces on the same support base table 9 are matched with each other to prop up the end parts of the corresponding second support base 5 together, so that the second support base 5 is limited.
As shown in fig. 2, three propping pieces are arranged on each support base 9, one propping piece is propped against the end face of the second support base 5, the other two propping pieces are correspondingly arranged on two sides of the second support base 5, and the two propping pieces are relatively arranged close to the end part of the second support base 5; the propping pieces propped against the two end surfaces of the second supporting seat 5 can limit the position of the second supporting seat 5 in the length direction of the second supporting seat, so that the second supporting seat 5 is prevented from moving in the length direction of the second supporting seat, and the propping pieces positioned on the side wall of the second supporting seat 5 can limit the position of the second supporting seat 5 in the length direction of the first supporting seat 1, so that the second supporting seat 5 is prevented from moving in the length direction of the first supporting seat 1; the second supporting seat 5 is limited in the plane where the length and the width of the second supporting seat 5 are located by matching the propping piece at the end face of the second supporting seat 5 and the propping piece at the side wall of the second supporting seat 5.
Wherein, install the tight piece of top of same quantity on two support base tables 9 to the position of the tight piece of top on two support base tables 9 corresponds the setting, and the tight piece of top is all installed to terminal surface and lateral wall department of second supporting seat 5, makes the atress at second supporting seat 5 both ends the same, realizes the best spacing effect.
Further, as shown in fig. 5, the jack includes:
a jack frame 10 provided on the respective support base tables 9 as a load-bearing mount body for mounting a jack pad 11;
a tightening base plate 11 mounted on the tightening frame 10 by tightening pins 12, wherein the surface of the tightening base plate 11 far from the tightening frame 10 is in close contact with the end face of the second supporting seat 5 or the side wall close to the end face for tightening at the corresponding end face or side wall of the second supporting seat 5; and, as shown in fig. 5, the number of the jack pins 12 is at least one, and here, the pair refers to two jack pins 12, and the relative position between the jack backing plate 11 and the jack frame 10 is changed by adjusting the jack pins 12, so that the jack backing plate 11 plays a limiting role on the second supporting seat 5, and simultaneously, the second supporting seat 5 and the test shaft 4 are vertically arranged, so that the distance between the ranging group on the second supporting seat 5 and the test shaft 4 is kept the same when the test is not started, and after the test is started, the deformation quantity and the deformation position of the test shaft 4 can be rapidly observed through the feedback quantity of each detection end of the ranging group, so that the test is convenient.
Further, the method further comprises the following steps: a mounting housing provided on the first support base 1 for mounting the driving device 2;
as shown in fig. 1, the mounting housing includes:
a locking lower housing 13 mounted on the first supporting seat 1, the locking lower housing 13 having a first cavity therein; one end of the locking lower shell 13 is provided with a first connecting port which is used as a connecting port of the locking lower shell 13; the side wall of the locking lower shell 13 is provided with a first through groove communicated with the first connecting port;
the locking upper shell 14 is provided with a second cavity in the locking upper shell 14, and one end of the locking upper shell 14 is provided with a second connecting port which is used as a connecting port of the locking upper shell 14; the side wall of the locking upper shell 14 is provided with a second through groove communicated with the second connecting port;
when first connector and second connector join in marriage each other and connect, first cavity and second cavity are linked together, form the installation cavity, can install drive arrangement 2 main part just, and first logical groove and second logical groove are linked together, form the passageway for drive arrangement 2's drive shaft runs through this passageway and stretches out the installation casing, be convenient for be connected with corresponding test axle 4.
Further, as shown in fig. 1, the method further includes: the base 15, which is the basic mounting platform for the present test stand, is used to mount the first support 1 and the support table 9.
The first support 1, the support table 9 and the base 15 are here connected, for example by means of bolts.
The first supporting seat 1 and the mounting surface of the supporting base table 9 are subjected to scraping treatment, the flatness of the first supporting seat 1 and the supporting base table 9 is improved, the contact precision of the first supporting seat 1, the supporting base table 9 and parts mounted on the mounting surface of the first supporting seat and the supporting base table is guaranteed, and therefore the accuracy of test and test is guaranteed.
Further, an auxiliary damping component is arranged at the bottom of the base 15;
as shown in fig. 6, the auxiliary shock absorbing assembly includes:
an earth anchor 16, the earth anchor 16 having a connecting portion and a mounting portion; the connecting part is connected with the bottom of the base 15, and the mounting part is arranged at a reserved mounting hole of the ground 17 and is used for stably mounting the base 15 on the ground;
the isolation belt 18 is arranged below the ground 17 and surrounds the ground anchor 16 to perform vibration isolation, so that external vibration interference is avoided from being transmitted to the base 15 through the ground anchor 16, and the accuracy of test data is influenced.
Further, as shown in fig. 1, the method further includes: the number of bearing seats 19 is two and is provided on the first support seat 1 for mounting the corresponding high-speed bearings 3.
Specifically, as shown in fig. 2, a bearing seat 19 is installed on the first supporting seat 1, a mounting hole is formed in the bearing seat 19 and used for mounting a high-speed bearing 3, the high-speed bearing 3 is used for supporting a test shaft 4 to rotate, a shaft sleeve is sleeved at the end part of the test shaft 4, a protection effect is achieved on the test shaft 4, and the test shaft 4 is prevented from being directly worn; also included is a bearing gland which is mounted at the mounting hole to prevent the high speed bearing 3 from disengaging from the bearing housing 19.
The specific test procedure is as follows:
under the constant temperature condition, firstly pouring the ground 17, reserving a reserved mounting hole in the pouring process, mounting the ground anchor 16 after the maintenance period of the ground 17, fixing by using an anchor adhesive, filling the isolation belt 18 around the ground anchor 16, placing the base 15 on the ground 17, connecting the bottom of the base 15 with the ground anchor 16, and finally mounting each test part on the base. A test shaft 4 with one specification is arranged at the two high-speed bearings 3 and is connected with the driving shaft of the driving device 2 through a flexible connecting component; starting a ranging group, recording initial data, restarting the driving device 2, driving the testing shaft 4 to rotate by a driving shaft of the driving device, continuously detecting the testing shaft 4 by a detection end of the ranging group, obtaining deformation of the testing shaft 4 by making difference between real-time data fed back by the ranging group and the initial data, judging whether the deformation meets preset requirements, stopping the test if the deformation meets the preset requirements, replacing the testing shaft 4 of the next specification if the deformation does not meet the preset requirements, continuously testing, and finally obtaining the testing shaft meeting the preset requirements through continuous iteration.
The foregoing description is only of the preferred embodiments of the present application and is presented as a description of the principles of the technology being utilized. It will be appreciated by persons skilled in the art that the scope of the invention referred to in this application is not limited to the specific combinations of features described above, but it is intended to cover other embodiments in which any combination of features described above or equivalents thereof is possible without departing from the spirit of the invention. Such as the above-described features and technical features having similar functions (but not limited to) disclosed in the present application are replaced with each other.
Claims (10)
1. A 150000rpm high speed shaft test stand comprising:
a rotating unit and a testing unit which are matched for use,
the rotation unit includes: a first support base (1); the first supporting seat (1) is provided with a driving device (2) and two high-speed bearings (3), and the two high-speed bearings (3) are distributed along the extending direction of a driving shaft of the driving device (2); the driving shaft of the driving device (2) is connected with the testing shaft (4) through a flexible connecting component, and the testing shaft (4) penetrates through the two high-speed bearings (3) and is rotationally connected with the two high-speed bearings;
the test unit includes: the second supporting seat (5) is arranged between the first supporting seat (1) and the test shaft (4); two ranging groups are arranged on the second supporting seat (5), the two ranging groups are located on two sides of the test shaft (4), and the detection end of each ranging group faces the side wall of the test shaft (4).
2. A 150000rpm high speed shaft test stand according to claim 1, wherein the flexible connection assembly comprises:
a first transfer flange (6) provided at an end of a drive shaft of the drive device (2);
a second adapter flange (7) which is arranged at the end of the test shaft (4) close to the drive device (2); the second adapter flange (7) is connected with the first adapter flange (6) through a flexible connecting rope (8).
3. A 150000rpm high speed shaft test stand as defined in claim 1, further comprising: a tightening unit;
the tightening unit includes:
a support table (9) of two in number; the two support base tables (9) are positioned at two sides of the first support base (1) which are parallel to the driving shaft of the driving device (2), and two ends of the second support base (5) are respectively positioned on the two support base tables (9);
a jack assembly provided on the support table (9) and provided with a plurality of jacks; the propping pieces on the same supporting base table (9) are matched with each other to jointly prop up the end parts of the corresponding second supporting base (5).
4. A 150000rpm high speed shaft test bed according to claim 3, wherein the same number of the jacks are mounted on both support tables (9).
5. A 150000rpm high speed shaft test bed as in claim 3 or 4 wherein the puller comprises:
a jack (10) provided on the respective support table (9);
the jacking base plate (11) is installed on the jacking frame (10) through a jacking pin (12), and the surface of the jacking base plate (11) away from the jacking frame (10) is in close contact with the end face of the second supporting seat (5) or the side wall close to the end face.
6. A 150000rpm high speed shaft test stand as defined in claim 1, further comprising: a mounting housing provided on the first support base (1) for mounting the driving device (2);
the mounting housing includes:
a locking lower shell (13), wherein a first cavity is formed in the locking lower shell (13); one end of the locking lower shell (13) is provided with a first connecting port; a first through groove communicated with the first connecting port is formed in the side wall of the locking lower shell (13);
the locking upper shell (14) is provided with a second cavity inside the locking upper shell (14), and a second connecting port is formed in one end of the locking upper shell (14); a second through groove communicated with the second connecting port is formed in the side wall of the locking upper shell (14);
when the first connecting port and the second connecting port are mutually matched, the first cavity and the second cavity are communicated, and the first through groove and the second through groove are communicated.
7. A 150000rpm high speed shaft test bed as in claim 3 further comprising: -a base table (15) for mounting the first support base (1) and the support base table (9).
8. A 150000rpm high speed shaft test bed according to claim 7, wherein the base (15) bottom is also provided with auxiliary shock absorbing components;
the auxiliary shock absorbing assembly includes:
an earth anchor (16), the earth anchor (16) having a connection portion and a mounting portion; the connecting part is connected with the bottom of the base station (15), and the mounting part is arranged at a reserved mounting hole of the ground (17);
a spacer (18) which is arranged below the ground (17) and which surrounds the ground anchor (16).
9. A 150000rpm high speed shaft test stand as defined in claim 1, further comprising: and the number of the bearing seats (19) is two, and the bearing seats are arranged on the first supporting seat (1) and are used for installing the corresponding high-speed bearings (3).
10. A 150000rpm high speed shaft test bed according to claim 1, wherein the distance measuring group has a plurality of optical distance measuring sensors (20) uniformly arranged along the axial direction of the test shaft (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310280923.6A CN116067647A (en) | 2023-03-22 | 2023-03-22 | 150000rpm high-speed shaft test bed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310280923.6A CN116067647A (en) | 2023-03-22 | 2023-03-22 | 150000rpm high-speed shaft test bed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116067647A true CN116067647A (en) | 2023-05-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310280923.6A Pending CN116067647A (en) | 2023-03-22 | 2023-03-22 | 150000rpm high-speed shaft test bed |
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| CN (1) | CN116067647A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117985250A (en) * | 2024-04-07 | 2024-05-07 | 四川凌空天行科技有限公司 | Quick parachute removing system and aircraft |
-
2023
- 2023-03-22 CN CN202310280923.6A patent/CN116067647A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117985250A (en) * | 2024-04-07 | 2024-05-07 | 四川凌空天行科技有限公司 | Quick parachute removing system and aircraft |
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