CN116879096A - Rolling confluence ring abrasion fatigue test device under dynamic excitation - Google Patents
Rolling confluence ring abrasion fatigue test device under dynamic excitation Download PDFInfo
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- CN116879096A CN116879096A CN202311077233.7A CN202311077233A CN116879096A CN 116879096 A CN116879096 A CN 116879096A CN 202311077233 A CN202311077233 A CN 202311077233A CN 116879096 A CN116879096 A CN 116879096A
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- 238000005096 rolling process Methods 0.000 title claims abstract description 41
- 230000005284 excitation Effects 0.000 title claims abstract description 39
- 238000009661 fatigue test Methods 0.000 title claims abstract description 19
- 238000005299 abrasion Methods 0.000 title claims description 9
- 238000012360 testing method Methods 0.000 claims abstract description 27
- 238000005192 partition Methods 0.000 claims abstract description 9
- 239000007788 liquid Substances 0.000 claims description 14
- 238000000576 coating method Methods 0.000 claims description 5
- 230000009471 action Effects 0.000 claims description 2
- 239000011248 coating agent Substances 0.000 claims description 2
- 238000000926 separation method Methods 0.000 claims description 2
- 230000002457 bidirectional effect Effects 0.000 abstract description 5
- 238000013461 design Methods 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 230000007246 mechanism Effects 0.000 abstract description 3
- 238000011160 research Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 230000033001 locomotion Effects 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000004020 conductor Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- -1 polytetrafluoroethylene Polymers 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/56—Investigating resistance to wear or abrasion
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0058—Kind of property studied
- G01N2203/0069—Fatigue, creep, strain-stress relations or elastic constants
- G01N2203/0073—Fatigue
Abstract
The invention discloses a rolling confluence ring wear fatigue test device under dynamic excitation, and relates to the technical field of current-carrying wear fatigue tests. The invention mainly aims to solve the problem that the existing rolling confluence ring test device lacks accurate test for current-carrying friction and fatigue, and provides the following technical scheme: the device comprises a test platform, a main shaft component, a rotary driving component, a bidirectional dynamic excitation loading component, an outer ring moving component and a friction pair sample, wherein the rotary driving component drives the main shaft component to rotate, a rolling confluence ring is matched with the main shaft component, and orthogonally distributed guide rails are arranged in a partition plate on the outer ring moving component to realize random sliding in the X-axis direction and the Y-axis direction; the bi-directional dynamic excitation loading component provides dynamic excitation in the direction X, Y of the outer ring moving component, respectively. The beneficial effects are generated: the invention can better study the service behavior of the rolling confluence ring, reveal the friction wear and fatigue damage mechanism and provide guidance for improving the design of the rolling confluence ring.
Description
Technical Field
The invention relates to the technical field of current-carrying wear fatigue tests, in particular to a rolling confluence ring wear fatigue test device under dynamic excitation.
Background
With the continuous development of the present technology level, how to improve a high-performance power transmission system with a rotary interface is widely focused. The rotary electric connector is one of key components for rotary electric interface connection with power sources and electric equipment such as artificial space stations, earth satellites, radars, wind generators and the like. Compared with the traditional slip ring, the rolling confluence ring has the advantages of low friction coefficient, low wear rate, low electric noise and the like, so that the electric power loss in the transmission process is greatly reduced, and the service life of the connector is prolonged.
The rolling bus ring is an extremely important research in recent years, and research on the rolling bus ring is reported, but the research only exists in a current carrying test under ideal conditions. In the actual power transmission process, due to uncontrollable factors of design, assembly and environment, in the rotation process, dynamic exciting force generated by friction self-excitation vibration and external vibration impact enables the flexible ring to be in non-steady deformation in the rotation process, current carrying friction and fatigue are key factors affecting the service performance of the flexible ring and the rolling confluence ring, and therefore the research of the current carrying friction fatigue of the rolling confluence ring under dynamic exciting is of great importance. The invention provides a rolling confluence ring abrasion fatigue test device under dynamic excitation based on the requirement, which is used for researching the rolling confluence ring under dynamic excitation.
Disclosure of Invention
The invention aims to provide a rolling confluence ring abrasion fatigue test device under dynamic excitation so as to solve the problem that the existing rolling confluence ring test device lacks accurate test for current-carrying friction and fatigue.
The technical scheme for solving the technical problems is as follows:
the rolling confluence ring abrasion fatigue test device under dynamic excitation comprises a test platform, a plurality of dynamic excitation loading components, an outer ring moving component, a rotary driving component, a main shaft component and a friction pair sample, wherein the dynamic excitation loading components, the outer ring moving component, the rotary driving component, the main shaft component and the friction pair sample are respectively arranged on the test platform; the inner ring of the friction pair sample is matched with the movable shaft assembly, the outer ring of the friction pair sample is connected with the outer ring moving part, and the outer ring moving part is sleeved outside the main shaft part; at least two layers of moving platforms are arranged on the outer ring moving part, and guide rails which are orthogonally distributed are arranged at the lower part of the moving platform, so that the moving platform can slide along the X-axis direction and the Y-axis direction under the action of the dynamic excitation loading part, and the outer ring position of the friction pair sample can be changed according to a preset track.
The beneficial effects of adopting above-mentioned technical scheme are: the main shaft component and the rotary driving component in the invention can simulate the rotation of the friction pair sample in actual work, and the friction pair sample current-carrying wear fatigue under single-direction or bidirectional compound displacement or vibration can be realized through the outer ring moving component and the dynamic excitation loading component which are arranged on the friction pair sample, so that the self friction vibration of the rolling confluence ring and the vibration and impact of the external environment can be simulated. The service behavior of the rolling confluence ring is better researched, the friction and wear and fatigue damage mechanism is revealed, and guidance is provided for improving the design of the rolling confluence ring.
Further, the rotary driving component comprises a torque sensor and a servo motor, one end of the torque sensor is connected with the servo motor, the other end of the torque sensor is connected with the movable shaft assembly, the main shaft component is driven by the servo motor to realize adjustable rotating speed, and the torque sensor detects friction torque of the main shaft component in real time.
Further, the dynamic excitation loading component comprises an X-axis loading component and a Y-axis loading component, the moving platform comprises an X-direction moving platform sliding on an X-direction guide rail and a Y-direction moving platform sliding on a Y-direction guide rail, the lower end of the X-direction moving platform is connected with the base of the outer ring moving component through the X-direction guide rail, the upper end of the X-direction moving platform is connected with the Y-direction moving platform through the Y-direction guide rail, the X-axis loading component is connected with the X-direction moving platform, and the Y-axis loading component is connected with the Y-direction moving platform.
Further, a force compensation spring is further arranged on the Y-direction moving platform, and the force compensation spring enables the Y-direction side guide rail of the outer ring moving part to press the Y-axis loading part to realize force compensation.
Further, the test platform is further provided with a portal frame component, the portal frame component is detachably connected with the rotary driving component, and the portal frame component is used for adjusting and maintaining the height position of the rotary driving component.
Further, the portal frame component comprises a driving component connecting plate and a screw rod, wherein the driving component connecting plate is connected with the rotary driving component, and the screw rod drives the rotary driving component to move up and down, so that the separation of the movable shaft component and the fixed shaft component is realized.
Further, the movable shaft assembly comprises a movable shaft, the torque sensor is matched with the movable shaft, the fixed shaft assembly comprises an insulating partition plate, a fixed shaft and a liquid conductive component, the insulating partition plate is connected with the friction pair sample, and the liquid conductive component is connected with an inner ring of the friction pair sample.
Further, the moving shaft of the moving shaft assembly is coaxially connected with the fixed shaft of the fixed shaft assembly.
Further, the surfaces of the movable shaft assembly and the fixed shaft assembly are coated with insulating coatings.
Further, the outer ring of the friction pair sample is fixed on a Y-direction moving platform through threads, and the surface of the Y-direction moving platform is coated with insulating paint.
The invention has the following beneficial effects:
the main shaft component and the rotary driving component in the invention can simulate the rotation of the friction pair sample in actual work, and the friction pair sample current-carrying wear fatigue under single-direction or bidirectional compound displacement or vibration can be realized through the outer ring moving component and the dynamic excitation loading component which are arranged on the friction pair sample, so that the self friction vibration of the rolling confluence ring and the vibration and impact of the external environment can be simulated. The service behavior of the rolling confluence ring is better researched, the friction and wear and fatigue damage mechanism is revealed, and guidance is provided for improving the design of the rolling confluence ring.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic diagram of a dynamic excitation loading component;
FIG. 3 is a schematic view of the outer ring moving member;
FIG. 4 is a schematic view of the structure of a gantry assembly;
FIG. 5 is an enlarged view of a portion of FIG. 4;
FIG. 6 is a schematic view of the structure of the rotary drive member;
FIG. 7 is a schematic structural view of a spindle unit;
FIG. 8 is a schematic view of a rolling bus ring structure;
FIG. 9 is a side cross-sectional view of a rolling buss ring;
fig. 10 is a system composition diagram of the present invention.
The reference numerals shown in fig. 1 to 10 are respectively expressed as:
1-a test platform and 2-an outer ring moving part; 3-outer ring moving part, 4-portal frame part, 5-rotation driving part, 6-main shaft part and 7-rolling confluence ring;
2.1-bottom plate, 2.2-rear fixing plate, 2.3-side plate, 2.4-slide rail, 2.5-voice coil motor, 2.6-slide rail connecting plate, 2.7-front fixing plate and 2.8-adapter plate;
3.1-base, 3.2-X direction guide rail, 3.3-X direction moving platform, 3.4-Y direction guide rail, 3.5-voice coil motor connecting plate, 3.6-Y direction moving platform and 3.7-force compensation spring;
4.1-upright posts, 4.2-cross beams, 4.3-driving part connecting plates, 4.4-guide rail sliding blocks, 4.5-clamp devices, 4.6-rocking handles, 4.7-first bearing seats, 4.8-lead screw nut seats, 4.9-lead screws and 4.10-second bearing seats; 4.11-guide rails;
5.1-bottom plate, 5.2-box, 5.3-shaft coupling, 5.4-sensor fixed block, 5.5-torque sensor, 5.6-shaft coupling, 5.7-servo motor;
6.1-lifting platform, 6.2-lower bearing seat, 6.3-lower bearing, 6.4-moving shaft, 6.5-driving shaft, 6.6-upper bearing, 6.7-locking nut, 6.8-insulating partition board and 6.9-liquid conductive component;
7.1-outer ring, 7.2-inner ring, 7.3-flexible ring.
Detailed Description
The following description of the embodiments of the present invention will be made more apparent and fully hereinafter with reference to the accompanying drawings, in which some, but not all embodiments of the invention are shown. All other embodiments, which can be made by a person skilled in the art without any inventive effort, are intended to be within the scope of the present invention, based on the embodiments of the present invention.
As shown in fig. 1, the main body of the rolling confluence ring wear fatigue test device under dynamic excitation consists of a test platform 1, a bidirectional dynamic excitation loading component 2, an outer ring moving component 3, a portal frame component 4, a rotary driving component 5, a main shaft component 6 and a friction pair sample. The test platform 1 is used for fixing the bidirectional dynamic excitation loading component 2, the outer ring moving component 3, the portal frame component 4 and the main shaft component 6, so that the whole experimental machine is fixed. The friction pair test piece can be operated using a rolling slip ring as the test piece.
As shown in fig. 2, the dynamic excitation loading component 2 includes an X-axis loading component and a Y-axis loading component, and the two-direction loading components are similar in structure, and each of the two-direction loading components includes a bottom plate 2.1, a rear fixing plate 2.2, a side plate 2.3, a sliding rail 2.4, a voice coil motor 2.5, a sliding rail connecting plate 2.6, a front fixing plate 2.7 and an adapter plate 2.8. The base plate 2.1 is fixed on the test platform 1, the voice coil motor 2.5 is fixed with the rear fixed plate 2.2 through the front fixed plate 2.7, the front fixed plate 2.7 is connected with the slide rail connecting plate 2.6, the side plate 2.3 is kept fixed, the voice coil motor 2.5 drives the sliding block to move when in reciprocating motion, the adapter plate 2.8 is pushed, and the adapter plate 2.8 is connected with the outer ring moving part 3, so that excitation loading is realized. The front end of the voice coil motor 2.5 is of a flange plate type structure and is connected with the outer ring moving part 3, the voice coil motor 2.5 drives the outer ring moving part 3 to do regular reciprocating movement or vibration in the X-axis direction and the Y-axis direction, and therefore vibration and impact working conditions are simulated.
As shown in fig. 3, the outer ring moving member 3 includes a base 3.1, an X-direction guide 3.2, an X-direction moving platform 3.3, a Y-direction guide 3.4, a voice coil motor connecting guide 3.5, a Y-direction moving platform 3.6, and a force compensation spring 3.7. In the experiment, the rolling confluence ring is fixed on a Y-direction moving platform 3.6. The X-direction guide rail 3.2, the X-direction moving platform 3.3, the Y-direction guide rail 3.4 and the Y-direction moving platform 3.6 are used for realizing the working conditions for simulating dynamic excitation in the test, and the excitation of the confluence ring under various working conditions can be simulated by controlling the micro-motion amplitude and the micro-motion frequency of the voice coil motor on the X-axis loading part and the Y-axis loading part.
As shown in fig. 4 and 5, the gantry part 4 includes a main body portion including a column 4.1, a beam 4.2, a driving part connecting plate 4.3, a rail slider 4.4, a clamp 4.5, and a rail 4.11, and a screw module including a crank 4.6, a first bearing housing 4.7, a screw nut housing 4.8, a screw 4.9, and a second bearing housing 4.10. Wherein the inner side of the driving part connecting plate 4.3 is connected with the guide rail sliding block 4.4, and the outer side is connected with the rotary driving part box body. The upper end and the lower end of the screw rod 4.9 are connected with a first bearing seat 4.7 and a second bearing seat 4.10, the top end of the screw rod 4.9 is provided with a rocking handle 4.6, the screw rod 4.9 is driven to rotate through the rocking of the rocking handle 4.6, and a driving part connecting plate 4.3 can be driven to move up and down, so that the whole driving part can be adjusted up and down, when a sample needs to be replaced, the rocking handle 4.6 is rotated, a rotary driving part 5 is moved up, a fixed shaft assembly of a main shaft part 6 is separated from a friction pair sample, and the rotary driving part 5 is recovered after the friction pair sample is replaced.
As shown in fig. 6, the rotation driving part 5 is used to rotate the spindle of the spindle part 6. The rotary driving part 5 comprises a bottom plate 5.1, a box body 5.2, a coupler 5.3, a sensor fixing block 5.4, a torque sensor 5.5, a coupler 5.6 and a servo motor 5.7. The servo motor 5.7 is connected with the top of the box 5.2, one end of the coupler 5.6 is connected with the servo motor 5.7 in a shaft mode, the other end of the coupler is connected with the torque sensor 5.5, the torque sensor 5.5 is fixedly connected to the box 5.2 through the sensor fixing block 5.4, and the other end of the torque sensor 5.5 is connected with the coupler 5.3. The base plate 5.1 is provided with a bearing seat, and a main shaft part of the main shaft component 6 passes through the bearing seat and is connected with the other end of the coupler 5.3. The servo motor 5.7 rotates the spindle of the spindle unit 6 via the couplings 5.3 and 5.6 and the friction torque is measured by the torque sensor 5.5.
As shown in fig. 7, the spindle unit 6 is configured to drive the friction pair sample to rotate about a fixed axis. Comprises a lifting table 6.1, a lower bearing seat 6.2, a lower bearing 6.3, a movable shaft 6.4, a driving shaft 6.5, an upper bearing 6.6, a locking nut 6.7, an insulating partition plate 6.8 and a liquid conductive component 6.9. The lifting table 6.1 is fixed on the outer ring moving part base 3.1 through bolts, and the height of the test friction pair sample can be adjusted through a side knob of the lifting table 6.1. The upper dead axle assembly is provided with a dead axle 6.5, a bearing 6.6 and a locking nut 6.7, and the bearing 6.6 is matched with a bearing seat on the bottom plate 5.1 of the rotary driving part. The bearing 6.6 installed on the fixed shaft assembly plays a role in supporting the friction pair sample after rotating integrally, and if the fixed shaft 6.5 is not arranged, the whole test device can shake during rotation. In addition, the fixed shaft assembly can also be used as a mounting seat for the liquid conductive component 6.9. The lower part of the movable shaft assembly is provided with a movable shaft 6.4, a bearing 6.3, a bearing seat 6.2 and a liquid conductive part 6.9. The movable shaft assembly is connected with the fixed shaft assembly through bolts, insulating coatings are coated on the surfaces of the movable shaft assembly and the fixed shaft assembly, conduction loss of the current driven shaft assembly or the fixed shaft assembly is prevented, one end of the liquid conductive component 6.9 is connected with a power supply, and the other end of the liquid conductive component is connected with the inner ring 7.2 of the rolling confluence ring through a wire. The current inner ring 7.2 is transmitted to the flexible ring 7.3, and the current is led out to the other end of the direct current power supply by the outer ring 7.1 to form a current loading loop. The surfaces of the fixed shaft component and the movable shaft component are respectively provided with an insulating coating. Wherein, the insulating baffle 6.8 adopts the insulating material polytetrafluoroethylene for fixing the friction pair sample and preventing the leakage phenomenon.
As shown in fig. 8 and 9, the friction pair sample includes: an outer ring 7.1, an inner ring 7.2 and a flexible ring 7.3. The inner surface of the outer ring 7.1 and the outer surface of the inner ring 7.2 are both in V-shaped groove structures, the flexible ring 7.3 is a thin-wall circular ring processed by conductive materials, the outer diameter of the flexible ring 7.3 is slightly larger than the gap between the inner surface of the outer ring 7.1 and the outer surface of the inner ring 7.2, the self elastic deformation is utilized to provide the pretightening force, and the pretightening force can be calculated according to a model. The inner ring 7.2 is fixedly connected with the insulating partition plate 6.8, the insulating partition plate 6.8 is connected with the main shaft part 6, and the main shaft part 6 is driven to rotate by the rotary driving part 5, so that the inner ring 7.2 is driven to rotate. The flexible ring 7.3 is fixed between the inner ring 7.2 and the outer ring 7.1 by self-precompression, and the motion track in the experiment is rotation around the self-rotating and revolution around the inner ring 7.2. The inner ring 7.2 is connected with a wire and is connected with the liquid conductive component 6.9, and the liquid conductive component 6.9 is connected with a current source to form a current loading loop.
In order to achieve the above object, the present invention comprises the following steps:
the first step: mounting sample
The rocking handle is rotated to drive the rotation driving part to lift, and when the gap is large enough, the clamping clamp prevents the rotation driving part from falling down. The friction pair samples (an inner ring, an outer ring and a flexible ring) are fixed on the main shaft, the lifting table is adjusted to enable the inner ring and the outer ring to be at the same height, and the fine adjustment locking bolt is displayed through a dial indicator, so that coaxiality of the inner ring and the outer ring of the outer ring is ensured. After the sample is installed, the clamp is loosened, the rotary driving part is moved downwards to prop against the friction pair sample, the main shaft is locked, the input line of current is connected to the liquid conductive part, the lead is connected with the liquid conductive part and the inner ring, and the output line is connected to the inner ring.
And a second step of: start detection device and software
A starting current source, a resistance measurement system, torque sensor detection software and a high-speed camera.
And a third step of: setting parameters and starting test
And setting a power supply current parameter, starting a servo motor of the rotary driving part and a voice coil motor of the dynamic excitation loading part, adjusting test parameters, and carrying out a rolling converging ring current-carrying friction and wear test under the dynamic excitation condition.
Fourth step: end of experiment
After the test is finished, the motor, the current source, the torque sensor and the high-speed camera are sequentially turned off, related data are stored, and resistance comparison, morphology analysis and the like are carried out on the friction pair sample.
The foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the invention are intended to be included within the scope of the invention.
Claims (10)
1. The utility model provides a roll ring wear fatigue test device under dynamic excitation which characterized in that includes: the test platform (1) and a plurality of dynamic excitation loading components (2), an outer ring moving component (3), a rotary driving component (5), a main shaft component (6) and a friction pair sample (7) which are respectively arranged on the test platform (1), wherein the main shaft component (6) comprises a fixed shaft component and a movable shaft component, the fixed shaft component is connected to the test platform (1), the fixed shaft component is detachably connected with the movable shaft component, and the rotary driving component (5) drives the movable shaft component to rotate;
the inner ring of the friction pair sample (7) is matched with the movable shaft assembly, the outer ring of the friction pair sample (7) is connected with the outer ring moving part (3), and the outer ring moving part (3) is sleeved outside the main shaft part (6);
at least two layers of moving platforms are arranged on the outer ring moving part (3), and guide rails which are orthogonally distributed are arranged at the lower parts of the moving platforms, so that the moving platforms can slide along the X-axis direction and the Y-axis direction under the action of the dynamic excitation loading part (2), and the outer ring position of the friction pair sample (7) can be changed according to a preset track.
2. The rolling confluence ring abrasion fatigue test device under dynamic excitation according to claim 1, wherein the rotary driving part (5) comprises a torque sensor (5.5) and a servo motor (5.7), one end of the torque sensor (5.5) is connected with the servo motor (5.7), the other end of the torque sensor (5.5) is connected with the movable shaft assembly, the rotating speed of the main shaft part (6) is adjustable under the driving of the servo motor (5.7), and the friction torque of the main shaft part is detected in real time by the torque sensor (5.5).
3. The dynamic excitation rolling confluence ring wear fatigue test device according to claim 1, wherein the dynamic excitation loading component (2) comprises an X-axis loading component and a Y-axis loading component, the moving platform comprises an X-direction moving platform (3.3) sliding on an X-direction guide rail (3.2) and a Y-direction moving platform (3.6) sliding on a Y-direction guide rail (3.4), the lower end of the X-direction moving platform (3.3) is connected with a base of the outer ring moving component (3) through the X-direction guide rail (3.2), the upper end of the X-direction moving platform (3.3) is connected with the Y-direction moving platform (3.6) through the Y-direction guide rail (3.4), and the X-axis loading component is connected with the X-direction moving platform (3.3), and the Y-axis loading component is connected with the Y-direction moving platform (3.6).
4. The dynamic excitation rolling confluence ring abrasion fatigue test device according to claim 3, wherein a force compensation spring (3.7) is further arranged on the Y-direction moving platform (3.6), and the force compensation spring (3.7) enables the Y-direction side guide rail of the outer ring moving part (3) to be tightly pressed against the Y-axis loading part to realize force compensation.
5. The dynamic excitation rolling confluence ring wear fatigue test device according to claim 1, wherein a portal frame component (4) is further arranged on the test platform (1), the portal frame component (4) is detachably connected with the rotary driving component (5), and the portal frame component (4) is used for adjusting and maintaining the height position of the rotary driving component (5).
6. The dynamic excitation rolling confluence ring wear fatigue test device according to claim 5, wherein the portal frame component (4) comprises a driving component connecting plate (4.3) and a screw rod (4.9), the driving component connecting plate (4.3) is connected with the rotary driving component (5), and the screw rod (4.9) drives the rotary driving component (5) to move up and down, so that the separation of the movable shaft assembly and the fixed shaft assembly is realized.
7. The dynamic excitation rolling confluence ring abrasion fatigue test device according to claim 2, wherein the moving shaft assembly comprises a moving shaft (6.4), the torque sensor (5.5) is matched with the moving shaft (6.4), the fixed shaft assembly comprises an insulating partition plate (6.8), a fixed shaft (6.5) and a liquid conductive component (6.9), the insulating partition plate (6.8) is connected with the friction auxiliary sample (7), and the liquid conductive component (6.9) is connected with an inner ring (7.2) of the friction auxiliary sample (7).
8. The dynamic excitation rolling ring wear fatigue test device according to claim 7, wherein the moving shaft (6.4) of the moving shaft assembly is coaxially connected with the fixed shaft (6.5) of the fixed shaft assembly.
9. The dynamic vibration testing device for wear fatigue of rolling confluence rings according to claim 8, wherein the surfaces of the moving shaft assembly and the fixed shaft assembly are coated with insulating coatings.
10. The dynamic excitation rolling confluence ring abrasion fatigue test device according to claim 4, wherein an outer ring (7.1) of the friction pair sample (7) is fixed on the Y-direction moving platform (3.6) through threads, and an insulating coating is coated on the surface of the Y-direction moving platform (3.6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311077233.7A CN116879096A (en) | 2023-08-24 | 2023-08-24 | Rolling confluence ring abrasion fatigue test device under dynamic excitation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311077233.7A CN116879096A (en) | 2023-08-24 | 2023-08-24 | Rolling confluence ring abrasion fatigue test device under dynamic excitation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116879096A true CN116879096A (en) | 2023-10-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311077233.7A Pending CN116879096A (en) | 2023-08-24 | 2023-08-24 | Rolling confluence ring abrasion fatigue test device under dynamic excitation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116879096A (en) |
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2023
- 2023-08-24 CN CN202311077233.7A patent/CN116879096A/en active Pending
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