CN220251351U - Rolling bearing fault diagnosis testing device - Google Patents
Rolling bearing fault diagnosis testing device Download PDFInfo
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- CN220251351U CN220251351U CN202321002307.6U CN202321002307U CN220251351U CN 220251351 U CN220251351 U CN 220251351U CN 202321002307 U CN202321002307 U CN 202321002307U CN 220251351 U CN220251351 U CN 220251351U
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- 238000012360 testing method Methods 0.000 title claims abstract description 79
- 238000005096 rolling process Methods 0.000 title claims abstract description 47
- 238000003745 diagnosis Methods 0.000 title claims abstract description 23
- 230000007246 mechanism Effects 0.000 claims abstract description 24
- 238000005192 partition Methods 0.000 claims abstract description 6
- 238000001514 detection method Methods 0.000 claims description 17
- 238000007789 sealing Methods 0.000 claims description 6
- 230000008520 organization Effects 0.000 claims description 4
- 230000002146 bilateral effect Effects 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims description 2
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 3
- 238000003780 insertion Methods 0.000 abstract description 2
- 230000037431 insertion Effects 0.000 abstract description 2
- 238000004458 analytical method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 230000033001 locomotion Effects 0.000 description 4
- 230000009466 transformation Effects 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
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Abstract
The utility model discloses a rolling bearing fault diagnosis testing device which comprises a workbench and a testing device main body, wherein the workbench is connected with the testing device main body through a supporting plate, a partition plate is arranged between the two supporting plates, a testing mechanism matched with the testing device main body is arranged on the workbench, a testing cavity is formed by the partition plate and the supporting plate far away from one end of the testing mechanism, an acquisition component matched with the testing device main body is arranged at the top end inside the testing cavity, moving mechanisms are symmetrically arranged on two sides of the testing cavity, clamping blocks are fixedly arranged on the moving mechanisms, and anti-slip pads are arranged at the ends, close to each other, of the clamping blocks. The utility model clamps and fixes the outer ring of the rolling bearing to be tested, can ensure the stability during testing, ensure the testing effect, facilitate the fixing test, facilitate the insertion of the rolling bearing and the inner ring, ensure the stability during the moving process of the moving mechanism, avoid the deviation and ensure the accuracy of the approach positioning of the two clamping blocks.
Description
Technical Field
The utility model relates to the technical field of rolling bearing diagnosis, in particular to a rolling bearing fault diagnosis testing device.
Background
Under modern industrial production conditions, the structure of mechanical equipment is finer and finer, the automation level is higher and higher, the operating working condition is more and more complex, the requirements of people on the mechanical equipment are also more and more stringent, rolling bearings are important parts in machines, the rolling bearings are widely applied to various important departments such as chemical industry, metallurgy, electric power and aerospace, the rolling bearings are one of the most easily damaged elements, in order to ensure the normal use of the bearings, fault diagnosis operation is required for the bearings, when fault diagnosis is carried out on the rolling bearings, the bearings are usually installed on rotating rods, the outer rings are fixed through bearing seats, the installation effect (interference fit between connection) is required, the bearings are clamped in the rotating rods (inner rings) and the bearing seats (outer rings), the testing can be carried out, or positioning and fixing operation is carried out through nuts, so that the installation test of the bearings is troublesome, and the test efficiency is influenced.
Disclosure of Invention
The utility model aims to provide a rolling bearing fault diagnosis testing device which is used for solving the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a antifriction bearing fault diagnosis testing arrangement, including workstation and detection device main part, be connected through the backup pad between workstation and the detection device main part, and be equipped with the baffle between two backup pads, be equipped with on the workstation with detection device main part assorted accredited testing organization, the baffle constitutes the test chamber with the backup pad of keeping away from accredited testing organization one end, the inside top of test chamber is equipped with the collection subassembly with detection device main part assorted, the bilateral symmetry of test chamber is equipped with moving mechanism, the last clamp splice that is fixedly equipped with of moving mechanism, the one end that the clamp splice is close to each other all is equipped with the slipmat, the clamp splice is located the both sides of slipmat and all is fixedly equipped with the blend stop.
Preferably, in order to bring two clamp splice conveniently close to each other and keep away from, conveniently press from both sides tight and take off after the follow-up test, moving mechanism includes the mounting panel of symmetry setting on the workstation, and the mounting panel is equipped with L template through the hydraulic telescoping rod, L template and clamp splice fixed connection.
Preferably, in order to ensure that the displacement cannot occur in the moving process, the precision of clamping and positioning of the rolling bearing is facilitated, the moving mechanism further comprises sliding blocks symmetrically arranged under the L-shaped plates, and sliding grooves matched with the sliding blocks are formed in the workbench.
Preferably, in order to reduce the interference of external factors during testing, the peripheral side surface of the L-shaped plate is provided with a sealing gasket which is matched with the testing cavity.
Preferably, in order to conveniently carry the reciprocating motion in the horizontal direction of the rotating shaft, the fixed rotation test of the inner ring is facilitated, and the subsequent pulling-out is convenient to take down, the testing mechanism comprises linear guide rail devices symmetrically arranged on a workbench, a movable sliding block is slidingly matched on the linear guide rail devices, a movable plate is fixedly arranged between the two movable sliding blocks, a motor is arranged at the top end of the movable plate, a rotating shaft is arranged at the output end of the motor, a rubber sleeve is sleeved outside one end of the rotating shaft, which is close to the testing cavity, and through holes matched with the rotating shaft are formed in a supporting plate and a partition plate, which are close to one end of the motor.
Preferably, in order to ensure the stability during operation, a fixing frame is sleeved outside the motor at equal intervals, and the fixing frame is fixedly connected with the movable plate.
Preferably, in order to conveniently gather antifriction bearing noise when rotating, make things convenient for follow-up analysis contrast, gather the subassembly and including setting up the electric putter on the inside top of test chamber, electric putter's output is equipped with noise sensor jointly, noise sensor and detection device main part electric connection.
Compared with the prior art, the utility model has the beneficial effects that:
the moving mechanism is matched with the clamping blocks, so that the outer ring of the rolling bearing to be tested can be conveniently clamped and fixed, the stability during testing can be ensured, the testing effect is ensured, the fixing test is convenient, the insertion of the rotating shaft and the inner ring can be facilitated, the stability of the moving mechanism can be ensured in the moving process, the offset can be avoided, and the accuracy of the approach positioning of the two clamping blocks is ensured;
the testing mechanism can conveniently carry the reciprocating motion in the horizontal direction of the rotating shaft, the rotating shaft is convenient to insert into the inner ring of the rolling bearing to be tested, the fixing effect can be guaranteed under the cooperation of the rubber sleeve, the subsequent rotation test is convenient, the rolling bearing can be conveniently pulled out after the test, the rolling bearing can be conveniently taken down, the next test is convenient to use, and the testing efficiency is more convenient and further improved.
Drawings
FIG. 1 is a schematic diagram of a fault diagnosis test device for rolling bearings according to the present utility model;
FIG. 2 is a schematic diagram of a part of a rolling bearing fault diagnosis test device according to the present utility model;
FIG. 3 is a schematic diagram of a moving mechanism and a clamping block in a rolling bearing fault diagnosis test device according to the present utility model;
FIG. 4 is a schematic structural diagram of a clamp block in a rolling bearing fault diagnosis test device according to the present utility model;
fig. 5 is a schematic structural diagram of a testing mechanism in a rolling bearing fault diagnosis testing device according to the present utility model.
In the figure: 1. a work table; 2. a detection device body; 3. a support plate; 4. a moving plate; 5. a mounting plate; 6. a rotating shaft; 7. a partition plate; 8. an electric push rod; 9. a noise sensor; 10. a chute; 11. an L-shaped plate; 12. a sealing gasket; 13. a sliding block; 14. clamping blocks; 15. an anti-slip pad; 16. a barrier strip; 17. a linear guide rail device; 18. moving the slide block; 19. a motor; 20. a fixing frame; 21. a rubber sleeve; 22. a hydraulic telescopic rod.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-5, an embodiment of the present utility model is provided: the utility model provides a antifriction bearing fault diagnosis testing arrangement, including being used for carrying out test diagnosis's to antifriction bearing workstation 1, vertical welding has backup pad 3 to support fixed to detection device main part 2 on workstation 1, and to detection device main part 2 (its inside is equipped with the singlechip, a display screen, control panel etc.), can conveniently handle the signal that noise sensor 9 gathered, the analysis obtains the noise size of fault bearing or the trouble type of bearing, comparatively ripe technique, it is not described to be repeated here), and still weld baffle 7 between two backup pads 3, constitute the test chamber between baffle 7 and the backup pad 3 of baffle 7 and tip, can conveniently place the detection to the antifriction bearing of treating the test, and the test chamber is inside to be equipped with the collection subassembly that is convenient for gather bearing noise when rotating, the collection subassembly includes the electric putter 8 of symmetry setting on test intracavity portion top, electric putter 8 quantity can be one or two sets of, its output is installed and is convenient for carry out the noise sensor 9 (with detection device main part 2 electric connection, be convenient for with the data transmission who gathers to detection device main part 2, be convenient for follow-up analysis, comparatively do not described here.
Referring to fig. 1-5, in order to facilitate placement of the rolling bearing to be tested, the testing cavity is provided with clamping blocks 14 for clamping the outer ring of the rolling bearing by a moving mechanism, the moving mechanism comprises a mounting plate 5 vertically welded on a workbench 1, the mounting plate 5 is connected with an L-shaped plate 11 by a hydraulic telescopic rod 22, two groups of sliding blocks 13 are welded in the L-shaped plate 11, one ends of the two clamping blocks 14, which are close to each other, are arc-shaped (concentric with the rolling bearing), the arc surfaces of the two clamping blocks 14 are three-fifths circles, so that the clamping and fixing effects on the outer ring of the rolling bearing can be ensured, the anti-slip pads 15 for clamping and fixing the outer ring of the rolling bearing can be ensured by bonding the arc surfaces of the clamping blocks 14, and the two sides of the arc surfaces of the clamping blocks 14 are welded with barrier strips 16 for limiting the outer ring of the rolling bearing, so that the subsequent rotating shaft 6 and the inner ring of the rolling bearing can be conveniently inserted and pulled out, the rotating test can be conveniently, two groups of sliding blocks 13 are welded at the bottom end of the L-shaped plate 11, and sliding grooves 10 for facilitating sliding of the sliding blocks 13 are formed in the workbench 1, so that the movement of the L-shaped plate 11 is ensured, and the sealing pads 12 are bonded and the sealing pads 12 are intersected at the positions of the arc surfaces of the clamping blocks 14.
Referring to fig. 1-5, in order to conveniently perform splicing and rotation test on the inner ring of the rolling bearing to be tested, a test mechanism is arranged on the workbench 1, the test mechanism comprises a linear guide rail device 17 arranged on the workbench 1, a movable sliding block 18 capable of moving reciprocally in the horizontal direction is slidably matched on the linear guide rail device 17 (driven by a linear motor and can also be reciprocally moved by a reciprocating screw rod, a mature technology is omitted here), the top ends of the two movable sliding blocks 18 are provided with a movable plate 4 through bolts (or welding), a motor 19 is arranged on the movable plate 4 through a fixing frame 20, the stability of the motor 19 during operation can be ensured, the output end of the motor 19 is fixedly connected with a rotating shaft 6 through a coupler, a through hole which is convenient for the rotating shaft 6 to extend into a test cavity is formed in the support plate 3 and the partition 7 near one end of the motor 19, and a rubber sleeve 21 in interference fit with the rolling bearing is sleeved at the end of the rotating shaft 6, so that the rotating shaft 6 can conveniently perform fault test through rotation.
For the acoustic signal fault analysis method, a new method for diagnosing bearing acoustic signal faults based on a blind source separation technology and adaptive Morlet wavelet transformation can be adopted, specifically, a single-channel acoustic signal is firstly separated into 2 virtual channel acoustic signals by utilizing a wavelet packet, the source signals are extracted by utilizing the blind source separation technology, then the Morlet wavelet shape parameters are optimized by utilizing Shannon entropy, the wavelet which is most matched with the characteristic components of the detected acoustic signal is found, singular value decomposition is conducted on a wavelet coefficient matrix, the optimal wavelet transformation scale is obtained through a relation curve of the singular value and the variable scale, finally Morlet wavelet transformation is conducted on the rolling bearing fault signals, and the fault of the bearing acoustic signal can be effectively extracted from a strong noise background.
During testing, the rolling bearing to be tested is placed on one clamping block 14, the two L-shaped plates 11 are stretched through the hydraulic telescopic rods 22 at the two sides and are close to each other, the rolling bearing is placed in the testing cavity, the sliding block 13 slides in the sliding chute 10, the other clamping block 14 is contacted with the outer ring of the rolling bearing along with the continuous movement, the outer ring can be clamped and fixed by matching with the anti-slip pad 15, the top end and the bottom end of the outer ring of the rolling bearing can be limited by the baffle strips 16 at the two ends, at the moment, the rolling bearing works through the linear guide rail device 17, the moving plate 4 on the moving sliding block 18 is moved, the rotating shaft 6 enters the testing cavity and is inserted into the inner ring of the rolling bearing, the rolling bearing is fixed (in interference fit) under the action of the rubber sleeve 21, the motor 19 rotates, the inner ring of the rolling bearing can be rotated, the electric push rod 8 stretches to move downwards along with the noise sensor 9 and is close to the rotating rolling bearing, the noise during rotation can be collected, and the subsequent analysis is facilitated.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (7)
1. The utility model provides a antifriction bearing fault diagnosis testing arrangement, includes workstation (1) and detection device main part (2), its characterized in that: the utility model discloses a detection device, including workstation (1), detection device main part (2), backup pad (3) are connected, and two be equipped with baffle (7) between backup pad (3), be equipped with on workstation (1) with detection device main part (2) assorted accredited testing organization, baffle (7) with keep away from backup pad (3) of accredited testing organization one end constitutes the test chamber, the inside top of test chamber is equipped with the collection subassembly with detection device main part (2) assorted, the bilateral symmetry of test chamber is equipped with moving mechanism, the last clamp splice (14) that is equipped with of moving mechanism, the one end that clamp splice (14) are close to each other all is equipped with slipmat (15), clamp splice (14) are located both sides of slipmat (15) are all fixed and are equipped with blend stop (16).
2. The rolling bearing failure diagnosis test apparatus according to claim 1, wherein: the moving mechanism comprises mounting plates (5) symmetrically arranged on the workbench (1), the mounting plates (5) are provided with L-shaped plates (11) through hydraulic telescopic rods (22), and the L-shaped plates (11) are fixedly connected with the clamping blocks (14).
3. A rolling bearing failure diagnosis test apparatus according to claim 2, characterized in that: the moving mechanism further comprises sliding blocks (13) symmetrically arranged under the L-shaped plate (11), and sliding grooves (10) matched with the sliding blocks (13) are formed in the workbench (1).
4. A rolling bearing failure diagnosis test apparatus according to claim 3, characterized in that: and a sealing gasket (12) is arranged on the peripheral side surface of the L-shaped plate (11), and the sealing gasket (12) is matched with the test cavity.
5. The rolling bearing failure diagnosis test apparatus according to claim 4, wherein: the testing mechanism comprises linear guide rail devices (17) symmetrically arranged on the workbench (1), movable sliding blocks (18) are slidably matched on the linear guide rail devices (17), movable plates (4) are fixedly arranged between the movable sliding blocks (18), motors (19) are arranged at the tops of the movable plates (4), rotating shafts (6) are arranged at the output ends of the motors (19), rubber sleeves (21) are sleeved outside one ends of the rotating shafts (6) close to the testing cavity, and through holes matched with the rotating shafts (6) are formed in the supporting plates (3) and the partition plates (7) close to one ends of the motors (19).
6. The rolling bearing failure diagnosis test apparatus according to claim 5, wherein: the motor (19) is sleeved with a fixing frame (20) at equal intervals, and the fixing frame (20) is fixedly connected with the movable plate (4).
7. The rolling bearing failure diagnosis test apparatus according to claim 6, wherein: the collection assembly comprises an electric push rod (8) arranged at the top end inside the test cavity, a noise sensor (9) is arranged at the output end of the electric push rod (8) together, and the noise sensor (9) is electrically connected with the detection device main body (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321002307.6U CN220251351U (en) | 2023-04-28 | 2023-04-28 | Rolling bearing fault diagnosis testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321002307.6U CN220251351U (en) | 2023-04-28 | 2023-04-28 | Rolling bearing fault diagnosis testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220251351U true CN220251351U (en) | 2023-12-26 |
Family
ID=89263111
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321002307.6U Active CN220251351U (en) | 2023-04-28 | 2023-04-28 | Rolling bearing fault diagnosis testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220251351U (en) |
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2023
- 2023-04-28 CN CN202321002307.6U patent/CN220251351U/en active Active
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