CN216410671U - Bearing fault diagnosis auxiliary device - Google Patents
Bearing fault diagnosis auxiliary device Download PDFInfo
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- CN216410671U CN216410671U CN202122895313.6U CN202122895313U CN216410671U CN 216410671 U CN216410671 U CN 216410671U CN 202122895313 U CN202122895313 U CN 202122895313U CN 216410671 U CN216410671 U CN 216410671U
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- 238000003745 diagnosis Methods 0.000 title claims abstract description 51
- 238000012360 testing method Methods 0.000 claims abstract description 62
- 238000001514 detection method Methods 0.000 claims abstract description 44
- 230000005540 biological transmission Effects 0.000 claims abstract description 4
- 238000012937 correction Methods 0.000 claims description 8
- 238000005192 partition Methods 0.000 claims description 4
- 230000005389 magnetism Effects 0.000 claims description 3
- 210000003781 tooth socket Anatomy 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 7
- 238000005553 drilling Methods 0.000 description 5
- 230000001681 protective effect Effects 0.000 description 5
- 230000033001 locomotion Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 2
- 238000013528 artificial neural network Methods 0.000 description 2
- 238000013016 damping Methods 0.000 description 2
- 238000013480 data collection Methods 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000003062 neural network model Methods 0.000 description 2
- 238000012549 training Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007405 data analysis Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of bearing detection, and discloses a bearing fault diagnosis auxiliary device which comprises a detection diagnosis table, wherein a test groove is formed in the top of the detection diagnosis table, a rectangular groove is formed in the bottom surface of the interior of the test groove, a vibration motor is installed in the rectangular groove, and a transmission shaft of the vibration motor is vertically upward, meanwhile, the interference of noise inside the test slot on the outer ring is reduced.
Description
Technical Field
The utility model relates to the technical field of bearing detection, in particular to a bearing fault diagnosis auxiliary device.
Background
Bearings are one of the most important parts in drilling machines, and not only transmit motion, but also bear loads. The drilling machine has high reliability requirements on parts, and once a bearing or other parts of the drilling machine fail, serious consequences can be caused, and even the safety of operators is threatened. Causing great economic losses. Due to the particularities of the operation of the drilling rig, most of the drilling rig bearing faults cannot be directly monitored, and therefore there is also insufficient and accurate monitoring data for identifying the bearing faults.
Through retrieval application number (CN212804857U) disclose a bearing failure diagnosis equipment damping device, including first gag lever post, third connecting rod and box, the inside both sides of box all are provided with the limiting plate, and are provided with the buffer board between the inside one side of limiting plate, fixedly connected with third connecting rod between the both sides inner wall of buffer board, and the both sides of third connecting rod outer wall all overlap and be equipped with the second slider, the intermediate position department mount pad of the inside bottom of box, and fixedly connected with fifth connecting rod between the both sides inner wall of mount pad, the fixedly connected with bottom plate on the top of first gag lever post, and the outer wall of the first gag lever post in bottom plate below all overlaps and is equipped with first damping spring. According to the utility model, the clamping plates are fixedly connected to one sides of the guide rods, and the auxiliary springs are sleeved on the outer walls of the guide rods on one sides of the clamping plates, so that the clamping function of the fault diagnosis equipment is realized, and the applicability of the device is increased.
However, the inventor finds that the technical scheme still has at least the following defects:
in the above technical scheme: the detection effect is relatively poor, can not carry out multiple data analysis to the bearing and detect, and the device belongs to open structure simultaneously, and the bearing exposes in the air when detecting, receives external environment factor influence easily and leads to detecting data inaccurate.
To this end, we propose a bearing failure diagnosis assistance device.
SUMMERY OF THE UTILITY MODEL
The utility model mainly solves the technical problems in the prior art and provides a bearing fault diagnosis auxiliary device.
In order to achieve the above purpose, the utility model adopts the following technical scheme that the bearing fault diagnosis auxiliary device comprises a detection diagnosis table, wherein a test groove is formed in the top of the detection diagnosis table, a rectangular groove is formed in the bottom surface of the interior of the test groove, a vibration motor is installed in the rectangular groove, a transmission shaft of the vibration motor is vertically upward, an inner hollow area of the test groove penetrates through the top and the front side wall surface of the detection diagnosis table, a protection assembly is arranged in the test groove and comprises a protection cover plate matched with the opening of the test groove, a bearing is arranged on the bottom surface of the interior of the test groove, a fixing assembly for fixing the bearing is arranged on the bottom surface of the interior of the test groove and comprises two semicircular snap rings, one sides, far away from each other, of the two snap rings are connected with third electric telescopic rods, and one ends, far away from each other, of the two third electric telescopic rods are correspondingly connected with the inner side wall surface of the test groove, both ends all are connected with the correcting plate around two snap rings, and the tooth's socket has been seted up to one side that two correcting plates are close to each other, and opposite side fixedly connected with and the corresponding latch of tooth's socket, the inside of test groove is provided with the determine module who is located on the bearing, the outer wall fixed mounting that detects diagnostic table has the fixed subassembly of control, protection component and determine module's intelligent operation platform.
Preferably, the two correction plates are both magnetic rectangular baffles, and the wall surfaces of the two correction plates close to the groove carry different magnetic properties.
Preferably, the protection component comprises two partition plates connected to the bottom of the protection cover plate, two support plates are symmetrically mounted on the two sides of the inner wall surface of the detection diagnosis platform, first electric telescopic rods driving the protection cover plate to move up and down are arranged on the two support plates, the upper ends of the first electric telescopic rods are connected with the corresponding bottom surfaces of the protection cover plate, a clamping groove is formed in the inner bottom surface of the test groove, two sound-absorbing plates are mounted inside the clamping groove, and an opening of the test groove is sealed between the two corresponding sound-absorbing plates by inserting the vertical end of the protection cover plate below.
Preferably, the detection assembly comprises a detection camera moving back and forth in the test groove, the top of the detection camera is connected with a cross rod, an adjusting groove is formed in the inner side wall surface of the detection diagnosis platform, a second electric telescopic rod is installed on the inner side wall surface of the adjusting groove, and one end of the second electric telescopic rod is connected with a corresponding wall surface extending to the cross rod in the adjusting groove.
Preferably, the protection assembly comprises two clapboards arranged at the bottom of the protection cover plate, the cross sections of the two clapboards are matched with the cross section inside the test slot, two groups of limiting clamping boards which vertically correspond to the two clapboards are arranged on the bottom surface inside the test slot, and the clapboards are downwards clamped between the two corresponding limiting clamping boards.
Preferably, the intelligent operating platform is of an L-shaped structure, and the horizontal end of the intelligent operating platform is a rectangular supporting plate.
Advantageous effects
The utility model provides a bearing fault diagnosis auxiliary device. The method has the following beneficial effects:
(1) according to the bearing fault diagnosis auxiliary device, the speed of a vibration motor is 1730r/min, model tests are built on the first fifty-five samples of each fault type under 1730r/min working conditions, firstly, bearing vibration signals are collected, and state labels are made on the normal state and various faults of a bearing; secondly, obtaining a vibration time-frequency diagram corresponding to the bearing by applying a variational modal decomposition method (VMD); thirdly, the collected time-frequency diagram is used as a training sample, and an artificial neural network model generated by Easy DL is used for classifying the bearing states; and fourthly, after a time-frequency diagram is obtained by processing the newly acquired bearing vibration signals through an intelligent operation console, inputting a neural network model generated by Easy DL for inspection, automatically identifying the fault type of the bearing, carrying out multiple comparisons according to modeling tests, carrying out comprehensive fault diagnosis and analysis on the bearing, carrying out rapid diagnosis on different bearings, and improving the diagnosis accuracy.
(2) This kind of bearing failure diagnosis auxiliary device, through being provided with protective assembly, when testing the inside bearing of groove, the first electric telescopic handle in the start-up support board drives protective cover plate and seals the opening of groove downwards, avoid external environment factor, like levitate dust in the air, outside temperature and humidity can disturb the detection to the bearing of testing the groove inside, influence the accuracy of detected data, two acoustic panels that set up simultaneously in the draw-in groove inside seal protective cover plate at draw-in groove internal clearance, keep apart the noise that the inside detection of test groove produced, reduce the interference of test groove noise inside to outside annular simultaneously.
(3) This bearing failure diagnosis auxiliary device carries out spacing fixed to the bearing between detecting through being provided with fixed subassembly, lets the bearing can carry out upper and lower correspondence with the vibrating motor output shaft, prevents that the condition that the bearing from taking place the skew from taking place, and fixing device goes up two sets of correction boards simultaneously and corresponds the block through corresponding latch and tooth's socket, fixes the position with the bearing before detecting.
(4) This bearing failure diagnosis auxiliary device through being provided with determine module, carries out data detection time at the bearing, starts the adjustment tank according to the control of intelligent operation platform and drives the top back-and-forth movement that detects the camera at the bearing, and the multi-angle detects image data collection to the bearing, and improve equipment is to the diagnostic accuracy of bearing, convenient regulation.
(5) This bearing failure diagnosis auxiliary device through being provided with baffle and spacing cardboard, when the test groove is inside to detect the bearing, two baffles divide into three region with the inside equidistance of test groove, separate the bearing in two other undetected areas alone, avoid the bearing that detects and two at the back wait to detect bearing mutual interference.
(6) This bearing failure diagnosis auxiliary device through being provided with intelligent operation panel, carries out the intellectual detection system diagnosis to the inside bearing of detection diagnosis platform, and the intelligent operation panel of L shape simultaneously can place the detection report board on the horizontal layer board of intelligent operation panel, makes things convenient for technical staff to show data to contrast on the intelligent operation panel, also can place interim article simultaneously.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structures, ratios, sizes, and the like shown in the present specification are only used for matching with the contents disclosed in the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions that the present invention can be implemented, so that the present invention has no technical significance, and any structural modifications, changes in the ratio relationship, or adjustments of the sizes, without affecting the effects and the achievable by the present invention, should still fall within the range that the technical contents disclosed in the present invention can cover.
FIG. 1 is a schematic view of the diagnostic aid installation of the present invention;
FIG. 2 is a model confusion matrix for the image platform 1730r/min working condition according to the present invention;
FIG. 3 is a schematic exploded view of the diagnostic aid of the present invention;
FIG. 4 is a partial schematic view of a retaining assembly according to the present invention.
Illustration of the drawings:
1. a detection diagnosis table; 2. an intelligent operation desk; 3. a vibration motor; 4. a test slot; 5. a card slot; 6. a sound-absorbing panel; 7. a protective cover plate; 8. a first electric telescopic rod; 9. a partition plate; 10. a limiting clamping plate; 11. a support plate; 12. an adjustment groove; 13. a second electric telescopic rod; 14. a cross bar; 15. detecting a camera; 16. a bearing; 17. a snap ring; 18. a third electric telescopic rod; 19. a correction plate; 20. clamping teeth; 21. a tooth socket.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example (b): a bearing fault diagnosis auxiliary device is shown in figures 1-4 and comprises a detection and diagnosis table 1, wherein a test slot 4 is formed in the top of the detection and diagnosis table 1, a rectangular groove is formed in the bottom surface of the inside of the test slot 4, a vibration motor 3 is installed in the rectangular groove, a transmission shaft of the vibration motor 3 is vertically upward, a hollow area in the inside of the test slot 4 penetrates through the top and the front side wall surface of the detection and diagnosis table 1, a protection component is arranged in the test slot 4 and comprises a protection cover plate 7 matched with an opening of the test slot 4, a bearing 16 is arranged on the bottom surface of the inside of the test slot 4, a fixing component for fixing the bearing 16 is arranged on the bottom surface of the inside of the test slot 4 and comprises two semicircular clamping rings 17, a third electric telescopic rod 18 is connected to one side, away from each other, one end, away from each other, of the two third electric telescopic rods 18 is correspondingly connected with the inner side wall surface of the test slot 4, both ends all are connected with correcting plate 19 around two snap rings 17, and tooth's socket 21 has been seted up to one side that two correcting plate 19 are close to each other, and opposite side fixedly connected with and the corresponding latch 20 of tooth's socket 21, the inside of examining groove 4 is provided with the determine module who is located on bearing 16, and the outer wall fixed mounting that detects diagnostic table 1 has control fixed subassembly, protection component and determine module's intelligent operation platform 2.
Two correcting plates 19 are the rectangle baffle that has magnetism, two correcting plates 19 are close to a groove side wall face each other and carry the xenogenesis magnetism, carry on spacing fixedly between detecting bearing 16 through being provided with fixed subassembly, let bearing 16 can carry out upper and lower correspondence with vibrating motor 3 output shaft, prevent that bearing 16 from taking place the condition emergence of skew, fixing device goes up two sets of correcting plates 19 and corresponds the block through corresponding latch 20 and tooth's socket 21 simultaneously, fix corresponding position with bearing 16 before detecting.
The protection assembly comprises two partition plates 9 connected to the bottom of a protection cover plate 7, two support plates 11 are symmetrically installed on two sides of the inner wall surface of the detection diagnosis platform 1, first electric telescopic rods 8 for driving the protection cover plate 7 to move up and down are arranged on the two support plates 11, the upper ends of the first electric telescopic rods 8 are connected with the corresponding bottom surfaces of the protection cover plate 7, clamping grooves 5 are formed in the inner bottom surfaces of the test grooves 4, two sound-absorbing plates 6 are installed inside the clamping grooves 5, the lower portions of the vertical ends of the protection cover plate 7 are inserted between the corresponding two sound-absorbing plates 6 to seal openings of the test grooves 4, through the protection assembly, when the bearings 16 are detected inside the test grooves 4, the first electric telescopic rods 8 on the support plates 11 are started to drive the protection cover plates 7 to seal the openings of the test grooves 4 downwards, external environmental factors such as dust floating in the air are avoided, and the detection of the bearings 16 inside the test grooves 4 can be interfered by external temperature and humidity, influence the accuracy that detects data, set up two inside abatvoix 6 at draw-in groove 5 simultaneously and seal at draw-in groove 5 internal clearance protective cover plate 7, keep apart the noise that test groove 4 internal detection produced, reduce simultaneously and test groove 4 internal noise to outside annular interference.
The detection subassembly includes the detection camera 15 of the inside back-and-forth movement of test groove 4, the top that detects camera 15 is connected with horizontal pole 14, detect on the inside wall face of diagnosis platform 1 one and seted up adjustment tank 12, second electric telescopic handle 13 is installed to the inside lateral wall face of adjustment tank 12, the one end of second electric telescopic handle 13 and the corresponding wall interconnect who extends to the inside horizontal pole 14 of adjustment tank 12, through being provided with detection subassembly, carry out data detection time measuring at bearing 16, start adjustment tank 12 according to the control of intelligent operation platform 2 and drive detection camera 15 at bearing 16's top back-and-forth movement, the multi-angle detects image data collection to bearing 16, improve equipment is to the diagnostic accuracy of bearing 16, convenient the regulation.
The protection component comprises two clapboards 9 arranged at the bottom of the protection cover plate 7, the cross section of the two clapboards 9 is matched with the inner cross section of the test slot 4, two groups of limiting clamping boards 10 which correspond to the two clapboards 9 from top to bottom are arranged on the inner bottom surface of the test slot 4, the clapboards 9 are downwards clamped between the two corresponding limiting clamping boards 10, the clapboards 9 and the limiting clamping boards 10 are arranged, when the bearing 16 is detected in the test slot 4, the two clapboards 9 divide the inner part of the test slot 4 into three areas at equal intervals, the bearing 16 in the other two undetected areas is separated independently, and the bearing 16 which is prevented from being detected is interfered with the two to-be-detected bearing 16 at the back.
The intelligent operation platform 2 is L shape structure, and the horizontal end of intelligent operation platform 2 is the rectangle layer board, through being provided with intelligent operation platform 2, carries out the intellectual detection system diagnosis to the bearing 16 that detects diagnostic table 1 inside, and the intelligent operation platform 2 of L shape simultaneously can place the detection report board on the horizontal layer board of intelligent operation platform 2, makes things convenient for technical staff to show data to contrast on the intelligent operation platform 2, also can place interim article simultaneously.
The working principle of the utility model is as follows: in the device, the speed of a vibration motor 3 is 1730r/min, model tests are established on the first fifty-five samples of each fault type under the working condition of utilizing a clamping ring 1730r/min, firstly, vibration signals of a bearing 16 are collected, and state labels are made on the normal state and various faults of the bearing 16; secondly, obtaining a vibration time-frequency diagram corresponding to the bearing 16 by applying a Variational Modal Decomposition (VMD); thirdly, the collected time-frequency diagram is used as a training sample, and an artificial neural network model generated by Easy DL is used for classifying the bearing states; and fourthly, after the newly acquired vibration signals of the bearing 16 are processed by the intelligent operation platform 2 to obtain a time-frequency diagram, inputting the time-frequency diagram into a neural network model generated by Easy DL for inspection, automatically identifying the fault type of the bearing, carrying out multiple comparisons according to modeling tests, carrying out all-around fault diagnosis and analysis on the bearing 16, carrying out rapid diagnosis on different bearings 16, and improving the diagnosis accuracy.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides a bearing failure diagnosis auxiliary device, includes detection diagnosis platform (1), test groove (4) have been seted up at the top of detection diagnosis platform (1), and the rectangular channel has been seted up to the inside bottom surface of test groove (4), and rectangular channel internally mounted has vibrating motor (3), and the transmission shaft of vibrating motor (3) is vertical upwards, its characterized in that: the inner hollow area of the test slot (4) penetrates through the top and the front side wall surface of the detection and diagnosis platform (1), a protection assembly is arranged in the test slot (4), the protection assembly comprises a protection cover plate (7) matched with the opening of the test slot (4), a bearing (16) is arranged on the inner bottom surface of the test slot (4), a fixing assembly for fixing the bearing (16) is arranged on the inner bottom surface of the test slot (4), the fixing assembly comprises two semicircular snap rings (17), one sides, far away from each other, of the two snap rings (17) are connected with third electric telescopic rods (18), one ends, far away from each other, of the two third electric telescopic rods (18) are correspondingly connected with the inner side wall surface of the test slot (4), the front end and the rear end of the two snap rings (17) are connected with correction plates (19), one sides, close to each other, of the two correction plates (19) are provided with tooth sockets (21), the other side is fixedly connected with a latch (20) corresponding to the tooth groove (21), a detection assembly located on the bearing (16) is arranged inside the test groove (4), and an intelligent operation table (2) for controlling the fixing assembly, the protection assembly and the detection assembly is fixedly mounted on the outer wall surface of the detection diagnosis table (1).
2. The bearing failure diagnosis assistance device according to claim 1, characterized in that: the two correction plates (19) are both magnetic rectangular baffles, and the wall surfaces of the two correction plates (19) close to one side of the groove carry heterogeneous magnetism.
3. The bearing failure diagnosis assistance device according to claim 1, characterized in that: the protection component comprises two partition plates (9) connected to the bottom of a protection cover plate (7), two support plates (11) are symmetrically installed on the two sides of the inner wall surface of a detection diagnosis platform (1), first electric telescopic rods (8) driving the protection cover plate (7) to move up and down are arranged on the two support plates (11), the upper ends of the first electric telescopic rods (8) are connected with the corresponding bottom surfaces of the protection cover plate (7), clamping grooves (5) are formed in the inner bottom surfaces of test grooves (4), two sound-absorbing boards (6) are installed inside the clamping grooves (5), and openings of the test grooves (4) are sealed between the two corresponding sound-absorbing boards (6) in an inserting mode.
4. The bearing failure diagnosis assistance device according to claim 1, characterized in that: the detection assembly comprises a detection camera (15) moving back and forth in the test groove (4), the top of the detection camera (15) is connected with a cross rod (14), an adjusting groove (12) is formed in the inner side wall surface of the detection diagnosis platform (1), a second electric telescopic rod (13) is installed on the inner side wall surface of the adjusting groove (12), and one end of the second electric telescopic rod (13) is connected with a corresponding wall surface of the adjusting groove (12) through the corresponding wall surface, wherein the corresponding wall surface of the second electric telescopic rod is connected with the corresponding wall surface of the adjusting groove (12) through the corresponding wall surface.
5. The bearing failure diagnosis assistance device according to claim 1, characterized in that: the protection assembly comprises two clapboards (9) arranged at the bottom of the protection cover plate (7), the cross sections of the two clapboards (9) are matched with the inner cross section of the test slot (4), two groups of limiting clamping boards (10) which vertically correspond to the two clapboards (9) are installed on the inner bottom surface of the test slot (4), and the clapboards (9) are downwards clamped between the corresponding two limiting clamping boards (10).
6. The bearing failure diagnosis assistance device according to claim 1, characterized in that: the intelligent operating platform (2) is of an L-shaped structure, and the horizontal end of the intelligent operating platform (2) is a rectangular supporting plate.
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CN202122895313.6U CN216410671U (en) | 2021-11-24 | 2021-11-24 | Bearing fault diagnosis auxiliary device |
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CN202122895313.6U CN216410671U (en) | 2021-11-24 | 2021-11-24 | Bearing fault diagnosis auxiliary device |
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CN202122895313.6U Expired - Fee Related CN216410671U (en) | 2021-11-24 | 2021-11-24 | Bearing fault diagnosis auxiliary device |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN118172940A (en) * | 2024-05-14 | 2024-06-11 | 四川交通职业技术学院 | Traffic safety monitoring system and method based on intelligent data analysis |
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2021
- 2021-11-24 CN CN202122895313.6U patent/CN216410671U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN118172940A (en) * | 2024-05-14 | 2024-06-11 | 四川交通职业技术学院 | Traffic safety monitoring system and method based on intelligent data analysis |
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