CN209945725U - Rub-impact simulation experiment detection device - Google Patents
Rub-impact simulation experiment detection device Download PDFInfo
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- CN209945725U CN209945725U CN201920700325.9U CN201920700325U CN209945725U CN 209945725 U CN209945725 U CN 209945725U CN 201920700325 U CN201920700325 U CN 201920700325U CN 209945725 U CN209945725 U CN 209945725U
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Abstract
The utility model provides a bump simulation experiment detection device that rubs. Rub simulation experiment detection device includes: the pipeline control device comprises a pipeline and a control box, wherein one side of the control box is fixed at one end of the pipeline, and one side of the inner wall of the control box is communicated with the inside of the pipeline; the top of the electrostatic sensor is fixed at the bottom of the pipeline, and the probe of the electrostatic sensor penetrates through the pipeline and extends to the interior of the pipeline; and the top end and the bottom end of the fixed rod are respectively fixed at the top and the bottom of the inner wall of the pipeline. The utility model provides a bump simulation experiment detection device easy operation that rubs, the practicality is strong, can be more accurate detect, improved the degree of accuracy that detects to it is all very convenient with the dismantlement to bump the installation of the material piece of rubbing, has practiced thrift the change time, and bumps the contact between material piece of rubbing and the emery wheel and have regulatory function, thereby has satisfied the use that the different situation detected.
Description
Technical Field
The utility model relates to an electrostatic detection field especially relates to a bump simulation experiment detection device that rubs.
Background
The aircraft engine is the heart of civil and military aircraft, and is also the source of the power of aircraft, and mechanical structure is extremely complicated, and the good or bad of operating condition directly influences the reliability and the security of aircraft, needs to possess high reliability. Research shows that the proportion of aircraft engine faults in aircraft flight faults is very large, in the flight accidents of nearly ten years in China, the faults caused by the engines account for 60 percent of the mechanical and engineering faults, and safety accidents in flight caused by engine faults often affect safe and reliable operation of the airplane and life and property safety of people, statistics show that the faults of mechanical fault parts of an engine gas path usually account for 90 percent of the faults of the engine, the maintenance cost of the engine gas circuit mechanical failure component state monitoring device accounts for 60 percent of the total maintenance cost of the engine, so the engine gas circuit mechanical failure component state monitoring device plays an important role in the performance monitoring and the failure diagnosis of the engine, the monitoring of the working state of mechanical fault parts of the engine gas circuit is the basis for ensuring the safety and reliability of the airplane, and the static monitoring technology of the mechanical fault of the engine gas circuit based on the electrostatic induction becomes a hot object for the research in the field of state monitoring and comprehensive guarantee of the aero-engine due to the good monitoring effect. The gas circuit mechanical fault static monitoring technology is a novel state monitoring technology, has the advantages of strong real-time performance, good continuity and the like compared with the traditional monitoring technology, and can provide early fault early warning information and maintenance decision basis for technical personnel through static signals. The technology has proved to be capable of effectively improving the fault Prediction and Health Management (PHM) capability of the aircraft engine and promoting the transition of the maintenance guarantee of the aircraft engine from a timing maintenance strategy to a state-based maintenance strategy. In conclusion, the gas circuit mechanical fault electrostatic monitoring technology and the monitoring method are developed by taking an aircraft engine gas circuit mechanical fault component as an object, and the gas circuit mechanical fault electrostatic monitoring technology and the monitoring method have important engineering value and economic value.
However, the existing friction detection device has some defects, for example, the existing friction detection device adjusts the contact between the grinding wheel and the friction material, so that the comprehensiveness is lacked in the detection process, the detection effect and accuracy are reduced, and the existing friction detection device has certain defects in installation and replacement of the friction material, and is complex in operation, time-consuming and labor-consuming, the friction material replacement efficiency is seriously reduced, and the detection is not favorable for more perfect detection of detection personnel.
Therefore, it is necessary to provide a rub-impact simulation experiment detection apparatus to solve the above technical problems.
SUMMERY OF THE UTILITY MODEL
The utility model provides a bump simulation experiment detection device that rubs has solved the emery wheel and has bumped the contact between the material and do not have the function of regulation to and bump the installation of material and change inconvenient problem.
In order to solve the technical problem, the utility model provides a bump simulation experiment detection device that rubs includes: the pipeline control device comprises a pipeline and a control box, wherein one side of the control box is fixed at one end of the pipeline, and one side of the inner wall of the control box is communicated with the inside of the pipeline; the top of the electrostatic sensor is fixed at the bottom of the pipeline, and the probe of the electrostatic sensor penetrates through the pipeline and extends to the interior of the pipeline; the top end and the bottom end of the fixed rod are respectively fixed at the top and the bottom of the inner wall of the pipeline; the air suction structure is arranged on one side of the fixed rod and comprises a rotating shaft, one end of the rotating shaft is rotatably connected to one side of the fixed rod, the other end of the rotating shaft penetrates through the fixed rod and extends to the other side of the fixed rod, and fan blades are fixedly connected to the outer surface of one end, extending to the other side of the fixed rod, of the rotating shaft; the bottom of the first motor is fixed on one side of the top of the pipeline, and the outer surface of an output shaft of the first motor is fixedly connected with a first belt pulley; the pressure fan is fixed on one side of the control box, and the output end of the pressure fan is communicated with the inside of the control box through an air pipe; the movement structure is arranged inside the control box and comprises a movement plate, and one side of the movement plate is connected to the other side of the inner wall of the control box in a sliding mode; one side of the moving plate is connected to the other side of the inner wall of the control box in a sliding mode and is located at the top of the moving plate, the bottom of the moving plate is fixedly connected with an extrusion spring, and the bottom end of the extrusion spring is fixed to the top of the moving plate; the clamping structure is arranged at the bottom of the moving plate, and a friction material block is clamped inside the clamping structure; the collision and friction structure is arranged at the bottom of the inner wall of the control box and comprises a supporting plate, the bottom of the supporting plate is fixed at the bottom of the inner wall of the control box, a movable rod is rotatably connected to the front of the supporting plate, a T-shaped rod is fixedly connected to one end of the movable rod, and a grinding wheel is sleeved on the outer surface of the T-shaped rod; and the second motor is fixed on the back surface of the supporting plate.
Preferably, the outer surface of one end of the rotating shaft is fixedly connected with a second belt pulley, and the outer surface of the second belt pulley is in transmission connection with the outer surface of the first belt pulley through a belt.
Preferably, the clamping structure comprises a U-shaped block, the front and the back of the inner wall of the U-shaped block are both in threaded connection with screw rods, and one ends, opposite to the screw rods, of the two screw rods are rotatably connected with clamping plates.
Preferably, the tops of the two clamping plates are both connected to the top of the inner wall of the U-shaped block in a sliding mode, and the separated ends of the two screw rods penetrate through the U-shaped block and extend to the outside of the U-shaped block.
Preferably, one end of the movable rod penetrates through the support plate and extends to the back of the support plate, and one end of the movable rod, which extends to the back of the support plate, is fixedly connected with the output shaft of the second motor.
Preferably, a backing ring is sleeved on one side, located on the grinding wheel, of the outer surface of the T-shaped rod, and a nut is connected to the outer surface of the other end of the T-shaped rod in a threaded mode.
Preferably, the top of the moving plate is fixedly connected with a clamping block, the top of the clamping block penetrates through the control box and extends to the top of the control box, and one side of the top of the control box is slidably connected with a limiting block matched with the clamping block.
Compared with the prior art, the utility model provides a bump simulation experiment detection device that rubs has following beneficial effect:
the utility model provides a rub-impact simulation experiment detection device, the rub-impact material block is placed inside the U-shaped block, two lead screws are manually rotated, the lead screws are rotated and connected with the screw thread between the U-shaped block, the lead screws are moved back and forth in the process of re-rotation, the two clamping plates can be driven to move oppositely through the movement of the two lead screws in opposite directions, the rub-impact material block inside the U-shaped block is further clamped, the moving plate can be moved through the elastic force of an extrusion spring, the moving plate can move downwards, the U-shaped block can be driven to move downwards through the downward movement of the moving plate, the rub-impact material block is indirectly driven to move downwards, thereby the rub-impact material block is contacted with a grinding wheel, the moving plate can be driven to move upwards and downwards through the up-and-down movement of the clamping blocks, the moving plate can be driven to move upwards and downwards, when the moving plate moves upwards and downwards, the, so that the extrusion spring can extrude the motion plate more comprehensively, the friction material block is contacted with the grinding wheel in different degrees, then the second motor is started to drive the movable rod to rotate, the T-shaped rod can be driven to rotate through the rotation of the movable rod, and further the grinding wheel is driven to rotate, at the moment, the grinding wheel can rub the friction material block, when the grinding wheel rubs the friction material block, a large amount of wear particles can be generated, at the moment, the wear particles can be blown into the ground of the pipeline through the starting of the blower, at the moment, the detection can be carried out through the arrangement of the electrostatic sensor, the operation is simple, the practicability is strong, the detection can be carried out more accurately, the detection accuracy is improved, the installation and the disassembly of the friction material block are very convenient, the replacement time is saved, and the contact between the friction material block and the grinding wheel has the adjusting function, thereby satisfying the use of different condition detection.
Drawings
Fig. 1 is a schematic structural diagram of a preferred embodiment of the rub-impact simulation experiment detection device provided by the present invention;
FIG. 2 is a side view of the support plate shown in FIG. 1;
fig. 3 is a structural side view of the U-shaped block shown in fig. 1.
Reference numbers in the figures: 1. the device comprises a pipeline, 2, a control box, 3, an electrostatic sensor, 4, a fixed rod, 5, an air suction structure, 51, a rotating shaft, 52, fan blades, 53, a first motor, 54, a first belt pulley, 55, a second belt pulley, 6, a pressure fan, 7, a motion structure, 71, a motion plate, 72, a moving plate, 73, an extrusion spring, 74, a fixture block, 75, a limiting block, 8, a clamping structure, 81, a U-shaped block, 82, a screw rod, 83, a clamping plate, 9, a friction material block, 10, a friction structure, 101, a supporting plate, 102, a movable rod, 103, a T-shaped rod, 104, a grinding wheel piece, 105, a second motor, 106, a backing ring, 107 and a nut.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and embodiments.
Please refer to fig. 1, fig. 2 and fig. 3, wherein fig. 1 is a schematic structural diagram of a rub-impact simulation experiment detection apparatus according to a preferred embodiment of the present invention; FIG. 2 is a side view of the support plate shown in FIG. 1; fig. 3 is a structural side view of the U-shaped block shown in fig. 1. Rub simulation experiment detection device includes: the pipeline device comprises a pipeline 1 and a control box 2, wherein one side of the control box 2 is fixed at one end of the pipeline 1, and one side of the inner wall of the control box 2 is communicated with the inside of the pipeline 1; the top of the electrostatic sensor 3 is fixed at the bottom of the pipeline 1, and the probe of the electrostatic sensor 3 penetrates through the pipeline 1 and extends to the inside of the pipeline 1; the top end and the bottom end of the fixing rod 4 are respectively fixed at the top and the bottom of the inner wall of the pipeline 1; the air suction structure 5 is arranged on one side of the fixing rod 4, the air suction structure 5 comprises a rotating shaft 51, one end of the rotating shaft 51 is rotatably connected to one side of the fixing rod 4, the other end of the rotating shaft 51 penetrates through the fixing rod 4 and extends to the other side of the fixing rod 4, and a fan blade 52 is fixedly connected to the outer surface of one end of the rotating shaft 51, which extends to the other side of the fixing rod 4; the bottom of the first motor 53 is fixed on one side of the top of the pipeline 1, and a first belt pulley 54 is fixedly connected to the outer surface of an output shaft of the first motor 53; the pressure fan 6 is fixed on one side of the control box 2, and the output end of the pressure fan 6 is communicated with the inside of the control box 2 through an air pipe; the moving structure 7 is arranged inside the control box 2, the moving structure 7 comprises a moving plate 71, and one side of the moving plate 71 is slidably connected to the other side of the inner wall of the control box 2; a moving plate 72, one side of which is slidably connected to the other side of the inner wall of the control box 2 and is located at the top of the moving plate 71, the bottom of the moving plate 72 is fixedly connected with an extrusion spring 73, and the bottom end of the extrusion spring 73 is fixed at the top of the moving plate 71; the clamping structure 8 is arranged at the bottom of the moving plate 71, the rubbing material block 9 is clamped inside the clamping structure 8 and is connected with a signal acquisition and computer through the electrostatic sensor 3, the air suction structure 5 is mainly used for absorbing air inside the pipeline, the blower 6, the first motor 53 and the second motor 105 are all connected with an external power supply and a control switch, the air and other substances inside the pipeline 1 can be discharged to the pipeline 1 through the rotation of the fan blades 52, the moving plate 71 can be extruded through the elastic force of the extrusion spring 73, so that the moving plate 71 moves downwards, the clamping structure 8 and the rubbing material block 9 are driven to move downwards, the rubbing material block 9 is in contact with a grinding wheel, and the rubbing material block 9 is made of common steel; the collision and friction structure 10 is arranged at the bottom of the inner wall of the control box 2, the collision and friction structure 10 comprises a supporting plate 101, the bottom of the supporting plate 101 is fixed at the bottom of the inner wall of the control box 2, the front surface of the supporting plate 101 is rotatably connected with a movable rod 102, one end of the movable rod 102 is fixedly connected with a T-shaped rod 103, and a grinding wheel 104 is sleeved on the outer surface of the T-shaped rod 103; the second motor 105 is fixed on the back of the supporting plate 101, and is connected with the signal acquisition and computer through the electrostatic sensor 3, the air suction structure 5 is arranged and mainly used for absorbing air inside the pipeline, the pressure fan 6, the first motor 53 and the second motor 105 are all connected with an external power supply and a control switch, air and other substances inside the pipeline 1 can be discharged to the pipeline 1 through the rotation of the fan blades 52, the moving plate 71 can be extruded through the elastic force of the extrusion spring 73, so that the moving plate 71 moves downwards, the clamping structure 8 and the rub-on material block 9 are further driven to move downwards, the rub-on material block 9 is further contacted with the grinding wheel, the rub-on material block 9 is made of common carbon steel, the pressure fan 6 is used for providing high-speed airflow, the airflow speed can reach about 10 meters per second, compared with the method of directly adding iron powder, the quantity of abrasive particles generated by grinding wheel collision and friction is much smaller, and the most important point is that no human factor is used for electrifying the abrasive particles, the abrasive particles are driven by airflow to pass through the position near the probe of the sensor after being generated, and the sensor still monitors some slight signal changes, the changes present extremely narrow pulse peaks, and after amplification, the pulses are found to be typical single-particle electrostatic induction signals actually and to be very close to theoretical waveforms, so that the pulse peaks can be determined to be caused by the abrasive particles generated by collision and friction. The charge of the abrasive particles by rubbing is probably caused by two factors, namely, the charge of the abrasive particles caused by the intense frictional wear between the grinding wheel and metal in the process of generating the abrasive particles, and the friction between the abrasive particles and air in the air flow.
The outer surface of one end of the rotating shaft 51 is fixedly connected with a second belt pulley 55, and the outer surface of the second belt pulley 55 is in transmission connection with the outer surface of the first belt pulley 54 through a belt.
The clamping structure 8 comprises a U-shaped block 81, the front and the back of the inner wall of the U-shaped block 81 are both in threaded connection with screw rods 82, and one ends, opposite to the two screw rods 82, of the two screw rods 82 are rotatably connected with clamping plates 83.
The tops of the two clamping plates 83 are connected to the top of the inner wall of the U-shaped block 81 in a sliding mode, the two separated ends of the screw rods 82 penetrate through the U-shaped block 81 and extend to the outside of the U-shaped block 81, and the rubbing material block 9 inside the U-shaped block 81 can be clamped through movement of the two clamping plates 83 moving in the opposite directions.
One end of the movable rod 102 penetrates through the support plate 101 and extends to the back of the support plate 101, and one end of the movable rod 102 extending to the back of the support plate 101 is fixedly connected with an output shaft of the second motor 105.
The grinding wheel is characterized in that a backing ring 106 is sleeved on one side, located on the grinding wheel 104, of the outer surface of the T-shaped rod 103, a nut 107 is connected to the outer surface of the other end of the T-shaped rod 103 in a threaded mode, the nut 107 is arranged, the grinding wheel can be clamped through the backing ring, and threads matched with the nut 107 are arranged on the outer surface of one end of the T-shaped rod 103.
The top fixedly connected with fixture block 74 of moving plate 72, the top of fixture block 74 runs through control box 2 and extends to the top of control box 2, one side sliding connection at the top of control box 2 has stopper 75 with fixture block 74 looks adaptation, and the setting of stopper 75 is mainly used for the chucking to fixture block 74, and then guarantees the stability behind the fixture block 74 motion, has guaranteed the stability behind the moving plate 72 motion indirectly, and the spacing groove of a plurality of and stopper 75 looks adaptation is seted up to one side of fixture block 74.
The utility model provides a bump simulation experiment detection device's theory of operation as follows:
s1, placing the rub-impact material blocks 9 inside the U-shaped blocks 81, manually rotating the two screw rods 82, enabling the screw rods 82 to move back and forth in the process of rotating again through the rotation of the two screw rods 82 and the threaded connection between the screw rods and the U-shaped blocks 81, and driving the two clamping plates 83 to move in opposite directions through the movement of the two screw rods 82 in opposite directions so as to clamp the rub-impact material blocks 9 inside the U-shaped blocks 81;
s2, the motion plate 71 can be moved by the elastic force of the extrusion spring 73, so that the motion plate 71 moves downwards, the U-shaped block 81 can be driven to move downwards by the downward movement of the motion plate 71, the rubbing material block 9 is indirectly driven to move downwards, the rubbing material block 9 is contacted with the grinding wheel 104, the moving plate 72 can be driven to move up and down by the up-and-down movement of the fixture block 74, when the moving plate 72 moves up and down, the elastic force of the extrusion spring 73 can be adjusted, so that the extrusion spring 73 can more comprehensively extrude the motion plate 71, and the rubbing material block 9 is contacted with the grinding wheel 104 to different degrees;
s3, starting the second motor 105 to drive the movable rod 102 to rotate, driving the T-shaped rod 103 to rotate through the rotation of the movable rod 102, and further driving the grinding wheel 104 to rotate, wherein the grinding wheel 104 rubs against the rubbing material block 9, and a large amount of wear particles are generated when the grinding wheel 104 rubs against the rubbing material block 9, and the wear particles can be blown into the pipeline 1 through the starting of the blower 6, and can be detected through the arrangement of the electrostatic sensor 3;
s4, the first belt pulley 54 and the second belt pulley 55 can be driven to rotate by starting the first motor 53, the rotating shaft 51 is indirectly driven to rotate, the fan blades 52 can be driven to rotate by the rotation of the rotating shaft 51, the airflow in the pipeline 1 can be guided out, and the detection is completed.
Compared with the prior art, the utility model provides a bump simulation experiment detection device that rubs has following beneficial effect:
the friction material block 9 is placed inside the U-shaped block 81, the two lead screws 82 are manually rotated, the lead screws 82 move back and forth in the process of rotation through the rotation of the two lead screws 82 and the threaded connection between the two lead screws 82 and the U-shaped block 81, the two clamping plates 83 can be driven to move in opposite directions through the movement of the two lead screws 82 in opposite directions, the friction material block 9 inside the U-shaped block 81 is further clamped, the moving plate 71 can move through the elastic force of the extrusion spring 73, the moving plate 71 can move downwards, the U-shaped block 81 can be driven to move downwards through the downward movement of the moving plate 71, the friction material block 9 is indirectly driven to move downwards, the friction material block 9 is in contact with the grinding wheel 104, the moving plate clamping block 74 can be driven to move upwards and downwards through the upward and downward movement of the moving plate 72, and when the moving plate 72 moves upwards and downwards, the elastic force of the extrusion spring 73 can be adjusted, so that the extrusion spring 73 can more comprehensively extrude the moving plate 71, the rubbing material block 9 is in contact with the grinding wheel 104 to different degrees, the movable rod 102 can be driven to rotate by the starting of the second motor 105, the T-shaped rod 103 can be driven to rotate by the rotation of the movable rod 102, the grinding wheel 104 is further driven to rotate, the grinding wheel 104 can rub the rubbing material block 9 at the moment, a large amount of wear particles can be generated when the grinding wheel 104 rubs the rubbing material block 9, the wear particles can be blown into the pipeline 1 by the starting of the blower 6, the detection can be performed by the arrangement of the electrostatic sensor 3 at the moment, the operation is simple, the practicability is strong, the detection can be more accurately performed, the detection accuracy is improved, and the mounting and dismounting of the rubbing material block 9 are very convenient, the replacement time is saved, and the contact between the rubbing material block 9 and the grinding wheel 104 has an adjusting function, so that the detection of different conditions is satisfied.
The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a rub and bump simulation experiment detection device which characterized in that includes:
the pipeline control device comprises a pipeline and a control box, wherein one side of the control box is fixed at one end of the pipeline, and one side of the inner wall of the control box is communicated with the inside of the pipeline;
the top of the electrostatic sensor is fixed at the bottom of the pipeline, and the probe of the electrostatic sensor penetrates through the pipeline and extends to the interior of the pipeline;
the top end and the bottom end of the fixed rod are respectively fixed at the top and the bottom of the inner wall of the pipeline;
the air suction structure is arranged on one side of the fixed rod and comprises a rotating shaft, one end of the rotating shaft is rotatably connected to one side of the fixed rod, the other end of the rotating shaft penetrates through the fixed rod and extends to the other side of the fixed rod, and fan blades are fixedly connected to the outer surface of one end, extending to the other side of the fixed rod, of the rotating shaft;
the bottom of the first motor is fixed on one side of the top of the pipeline, and the outer surface of an output shaft of the first motor is fixedly connected with a first belt pulley;
the pressure fan is fixed on one side of the control box, and the output end of the pressure fan is communicated with the inside of the control box through an air pipe;
the movement structure is arranged inside the control box and comprises a movement plate, and one side of the movement plate is connected to the other side of the inner wall of the control box in a sliding mode;
one side of the moving plate is connected to the other side of the inner wall of the control box in a sliding mode and is located at the top of the moving plate, the bottom of the moving plate is fixedly connected with an extrusion spring, and the bottom end of the extrusion spring is fixed to the top of the moving plate;
the clamping structure is arranged at the bottom of the moving plate, and a friction material block is clamped inside the clamping structure;
the collision and friction structure is arranged at the bottom of the inner wall of the control box and comprises a supporting plate, the bottom of the supporting plate is fixed at the bottom of the inner wall of the control box, a movable rod is rotatably connected to the front of the supporting plate, a T-shaped rod is fixedly connected to one end of the movable rod, and a grinding wheel is sleeved on the outer surface of the T-shaped rod;
and the second motor is fixed on the back surface of the supporting plate.
2. The rub-impact simulation experiment detection device according to claim 1, wherein a second belt pulley is fixedly connected to an outer surface of one end of the rotating shaft, and the outer surface of the second belt pulley is in transmission connection with the outer surface of the first belt pulley through a belt.
3. The rub-impact simulation experiment detection device according to claim 1, wherein the clamping structure comprises a U-shaped block, the front and back of the inner wall of the U-shaped block are both in threaded connection with lead screws, and the opposite ends of the two lead screws are rotatably connected with clamping plates.
4. The rub-impact simulation experiment detection device according to claim 3, wherein the tops of the two clamping plates are slidably connected to the top of the inner wall of the U-shaped block, and the separated ends of the two lead screws penetrate through the U-shaped block and extend to the outside of the U-shaped block.
5. The rub-impact simulation experiment detection device according to claim 1, wherein one end of the movable rod penetrates through the support plate and extends to the back surface of the support plate, and one end of the movable rod extending to the back surface of the support plate is fixedly connected with an output shaft of the second motor.
6. The rub-impact simulation experiment detection device according to claim 1, wherein a backing ring is sleeved on one side of the outer surface of the T-shaped rod, which is located on the grinding wheel, and a nut is connected to the outer surface of the other end of the T-shaped rod in a threaded manner.
7. The rub-impact simulation experiment detection device according to claim 1, wherein a fixture block is fixedly connected to the top of the moving plate, the top of the fixture block penetrates through the control box and extends to the top of the control box, and a limit block matched with the fixture block is slidably connected to one side of the top of the control box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920700325.9U CN209945725U (en) | 2019-05-16 | 2019-05-16 | Rub-impact simulation experiment detection device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920700325.9U CN209945725U (en) | 2019-05-16 | 2019-05-16 | Rub-impact simulation experiment detection device |
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| CN209945725U true CN209945725U (en) | 2020-01-14 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114509273A (en) * | 2022-01-07 | 2022-05-17 | 南京航空航天大学 | Rotor-stator collision friction and sand swallowing fault simulation experiment table based on static monitoring |
-
2019
- 2019-05-16 CN CN201920700325.9U patent/CN209945725U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114509273A (en) * | 2022-01-07 | 2022-05-17 | 南京航空航天大学 | Rotor-stator collision friction and sand swallowing fault simulation experiment table based on static monitoring |
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