CN109443758A - A kind of compound diagnostic device of rotating machinery - Google Patents
A kind of compound diagnostic device of rotating machinery Download PDFInfo
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- CN109443758A CN109443758A CN201811639531.XA CN201811639531A CN109443758A CN 109443758 A CN109443758 A CN 109443758A CN 201811639531 A CN201811639531 A CN 201811639531A CN 109443758 A CN109443758 A CN 109443758A
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- bearing
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- box
- rotating machinery
- pressure sensor
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- 150000001875 compounds Chemical class 0.000 title claims abstract description 18
- 238000012360 testing method Methods 0.000 claims abstract description 31
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 28
- 238000005096 rolling process Methods 0.000 claims abstract description 22
- 239000006247 magnetic powder Substances 0.000 claims abstract description 20
- 230000001133 acceleration Effects 0.000 claims abstract description 19
- 230000008878 coupling Effects 0.000 claims abstract description 19
- 238000010168 coupling process Methods 0.000 claims abstract description 19
- 238000005859 coupling reaction Methods 0.000 claims abstract description 19
- 238000001514 detection method Methods 0.000 claims abstract description 19
- 238000002474 experimental method Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 4
- 238000005259 measurement Methods 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims description 2
- 230000008569 process Effects 0.000 claims description 2
- 230000001360 synchronised effect Effects 0.000 claims description 2
- 239000000853 adhesive Substances 0.000 claims 1
- 230000001070 adhesive effect Effects 0.000 claims 1
- 230000007613 environmental effect Effects 0.000 claims 1
- 239000000203 mixture Substances 0.000 claims 1
- 230000010355 oscillation Effects 0.000 claims 1
- 238000009827 uniform distribution Methods 0.000 claims 1
- 238000003745 diagnosis Methods 0.000 abstract description 7
- 238000005457 optimization Methods 0.000 abstract 1
- 238000004458 analytical method Methods 0.000 description 11
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 230000004888 barrier function Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 241001269238 Data Species 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
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- 230000003137 locomotive effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/02—Gearings; Transmission mechanisms
- G01M13/021—Gearings
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/02—Gearings; Transmission mechanisms
- G01M13/025—Test-benches with rotational drive means and loading means; Load or drive simulation
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/04—Bearings
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/04—Bearings
- G01M13/045—Acoustic or vibration analysis
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention discloses a kind of compound diagnostic devices of rotating machinery.It is made of motor, bearing test device, gear-box experimental provision and the detection device of pedestal and setting on the base, including motor, yielding coupling, synchronizing wheel, belt, gear-box, magnetic powder brake, temperature sensor, acceleration transducer, sound pressure sensor, shaft, bearing block, fixed bracket, hinge, sound proof box, bolt, COCO80 signal analyzer etc..This is tested novel hold by motor moving axis and rotates with the gear in gear-box, by COCO80 signal analyzer acquire the vibration of rolling bearing and gear, noise and temperature data and diagnosed.The present invention is equipped with multiple sensors, can carry out comprehensive, real-time, quick fault diagnosis to bearing and gear simultaneously, greatly improve the practical performance of testing stand.The present invention is realized to the compound diagnosis of the failure of single bearing, improves the comprehensive of testing stand, and provide great project reference value for the optimization design of rotating machinery.
Description
Technical field
The present invention relates to a kind of fault detection means, the compound diagnostic device of especially a kind of rotating machinery is mainly used for
The rotating machinery of domestic railway locomotive, vehicle and non-railway systems detects, and also can be used for bearing mnanufacture factory and gear manufacture factory
Product quality detection.
Background technique
With the continuous development of modern industrial technology, plant-scale continuous increase, rotating machinery is applied to various industry
Equipment is to support normally running at high speed for whole equipment.Bearing and gear are most common components in mechanical equipment, are claimed by people
For mechanical joint, operating status will directly affect the quality of the performance of entire machine system.In industry, national defence, scientific skill
Precision, performance, service life, reliability and each economic target of kernel component in the every field such as art, all with rotating machinery
Have an inseparable connection, and rotating machinery industrial expansion be also related to the great technology equipment in China manufacture level and
The export capacity of mechanical equipment.However, in actual production, machinery can be made to break down due to artificial and non-artificial.
When mechanical equipment breaks down, production is seriously affected, or even will cause serious production accident.According to statistics, in machine system
Most failure is as caused by rolling bearing and gear.So the fault diagnosis technology of rotating machinery, is always mechanical event
One of the technology given priority in barrier diagnosis.
Rotating machinery plays the role of key in mechanical equipment.But present rotating machinery fault detection device is most
It is diagnosed fault by single-sensor, such as the single signal fault detection to single bearing or gear-box.Such case
Under, multiple rotating machineries cannot be not only detected simultaneously, and not can determine that rotating machinery fault position, measured answering for rotating machinery
Close failure.And rotating machinery fault often causes such as temperature in a practical situation, sound, the variation of the Multiple factors such as vibration,
So having great researching value using the combined failure of multi information sensor detection rotating machinery.
Summary of the invention
The technical problem to be solved by the present invention is the present invention be overcome at this stage most of rotation failure detection devices it is single
A certain amount is detected to predict the limitation of bearing fault, introduces three temperature, acceleration, sound detection limits, it can real-time measurement
The data of faulty bearings and normal bearing and analysis obtain bearing combined failure type, realize the combined failure detection of bearing；
The present invention connects bearing experimental provision and gear box testing device, it can be achieved that examining simultaneously to the failure of bearing and gear with synchronizing wheel
It surveys；Two shafts in middle (center) bearing experimental provision of the present invention are connected by shaft coupling, by loosening shaft coupling, that is, quick release axis
Hold seat.
The present invention solves method used in its technical problem are as follows: a kind of compound diagnostic device of rotating machinery, including pedestal
And motor, bearing test device, gear-box experimental provision and the detection device of setting on the base.The bearing test device packet
Include bearing test device, shaft coupling, rolling bearing I, rolling bearing II, bearing block, bearing cover, shaft I, shaft II, axis
Hold seat cushion block, synchronizing wheel I.The output axis connection of the shaft coupling left end and motor, right end are connect with shaft I, and the shaft I is logical
It crosses shaft coupling and drives shaft II rotation, all placed tested rolling bearing on shaft I, shaft II places normal bearing, and motor mentions
Shaft I, II is sent to for power；Described rolling bearing I, II have bearing block to be fixed, and have bearing block below bearing block
Cushion block is allowed to holding level.
Gear-box experimental provision includes synchronizing wheel II, synchronous belt, gear-box and magnetic powder brake.Above the gear-box and
There is acceleration transducer in side, for detecting the laterally and longitudinally vibration of inner gear of the gear box.The magnetic powder brake conduct
Load is to provide load to the gear-box experimental provision and bearing test device.
Detection device includes temperature sensor module, acceleration transducer, sound pressure sensor and COCO80 signal analyzer.
For the temperature sensor in bearing block side, acceleration transducer is individually positioned in the spiral shell that bearing block upper end is equipped with side end surface
In pit, sound pressure sensor is placed on sliding block and carries out control height, the sound pressure sensor by sound pressure sensor support
It can be with predetermined location on the line slide rail.The data of three sensors can pass through COCO80 signal analyzer
Acquisition, and the relevant difference of normal bearing and faulty bearings is compared from two angles of temperature and vibration respectively, and carry out failure point
Analysis；One sound pressure sensor is placed on measured bearing proximal end and tests the measured bearing noise, another sound pressure sensor is placed
In the integrated noise for measuring environment and measured bearing compared with distant positions away from measured bearing, quilt under the same time is measured by the difference of the two
The relative noise for surveying bearing more accurately completely divides under certain uncertainty through step analysis after consistency check
Analyse bearing fault type；On the gear-box in gear-box experimental provision and there is acceleration transducer in side, for detecting
The horizontal and vertical vibration of inner gear of the gear box, and the output line of above-mentioned all the sensors is all accessed by the hidden slot on pedestal
Signal processing and analysis is carried out in COCO80 signal analyzer.
Technical effect of the invention: the testing stand is driven by a motor bearing rotary, is braked by magnetic powder brake, when rotated
The temperature of different operating environment lower bearing, vibration, noise quantized value are measured by adjusting motor speed, is that normal bearing exists
The value measured under equal ambient is compared, and bearing fault type is obtained in confidence interval.And the cross of gear-box is measured simultaneously
To with extensional vibration quantized value and analyzing the failure of inner gear of the gear box；Event can be greatly improved by the real-time measurement of multi information
Barrier diagnostic accuracy provides great value to the diagnosis of failure in engineering on practicability.
Detailed description of the invention
Fig. 1 is the axonometric drawing that the compound diagnostic device of a kind of rotating machinery provided by the invention removes sound proof box.
Fig. 2 is a kind of axonometric drawing of the compound diagnostic device of rotating machinery provided by the invention.
Fig. 3 is the cooperation figure of upper sound proof box and lower sound proof box in bearing test device of the invention.
Fig. 4 is the axonometric drawing that sound pressure sensor of the invention cooperates.
Fig. 1: (1) motor, (2) shaft coupling, (3) bearing block I, (4) acceleration transducer I, (5) temperature sensor, (6) axis
Hold an end cap, sound proof box, (9) are tested rolling bearing, (10) bearing (ball) cover fastening bolt, (11) sound under sound proof box, (8) on (7)
Pressure sensor module I, (12) shaft I, (13) sound pressure sensor module support, (14) sliding block, (15) sound pressure sensor II, (16)
Shaft II, (17) normal rolling bearing, (18) synchronizing wheel I, (19) bearing block cushion block, (20) acceleration transducer II, (21) are same
Step wheel II, (22) belt, (23) gear-box, (24) gear cage base fastening bolt, (25) gear-box support, (26) bearing base
Fastening bolt, (27) bearing base, (28) magnetic powder brake support fastening bolt, (29) magnetic powder brake support, (30) magnetic powder
Brake, (31) bearing block fastening bolt, (32) pedestal cushion socket, (33) COCO80 signal analyzer, (34) pedestal, (35) base
Sliding rail, (38) motor fastening bolt are slided in seat groove, (36) hinge, (37).
Specific embodiment
In order to be easier the present invention and clearly be understood, below according to specific embodiment combination attached drawing to the invention
It is further described in detail.
Fig. 1 and Fig. 2 is respectively to remove sound proof box and whole axis in a kind of compound diagnostic device of rotating machinery of the present invention to survey
Figure, motor, bearing test device, gear-box experimental provision and detection device including pedestal and setting on the base.
Bearing test device includes bearing block I(3), acceleration transducer I (4), bearing cover (6), upper sound proof box
(7), lower sound proof box (8), tested rolling bearing (9), bearing (ball) cover fastening bolt (10), shaft I(12), sound pressure sensor module
Bracket (13), shaft II(16), normal rolling bearing (17), synchronizing wheel I(18), bearing block cushion block (19) and bearing base
(27).Gear-box experimental provision includes synchronizing wheel II(21), gear-box (23), gear cage base fastening bolt (24), gear-box
Support (25), bearing base fastening bolt (26), magnetic powder brake support fastening bolt (28), magnetic powder brake support (29),
Magnetic powder brake (30).Detection device includes acceleration transducer I(4), acceleration transducer II (20), temperature sensor (5),
Sound pressure sensor I (11), sound pressure sensor II (15), sound pressure sensor support (13), slider I (14), the analysis of COCO80 signal
Instrument (33).
As shown in Figure 1, motor (1) is fixed on pedestal (34) by motor fastening bolt (35), pass through shaft coupling (2) and institute
State the shaft I(12 in bearing test device) connection, shaft I(12) on place tested rolling bearing (9), be tested rolling bearing
(9) fixation, shaft I(12 are tightened by bearing (ball) cover fastening bolt (10) by bearing block (3) and bearing cover (6)) and shaft
II(16) by shaft coupling (2) connection perforation, and normal rolling bearing (17) is covered on shaft II(16), and have bearing block
(3) pass through bearing (ball) cover fastening bolt (10) with bearing cover (6) and tighten fixation.In shaft II(16) right end and synchronizing wheel I
(18) connecting, and connect realization same rotational speed, synchronizing wheel II(21 with synchronizing wheel II(21) by belt (22)) inner hole is connected to
Gear-box (23), the gear-box (23) is fixed with gear cage base fastening bolt (24) by gear-box support (25), and leads to
It crosses shaft coupling (2) to connect with magnetic powder brake (30), the magnetic powder brake (30) is fixed on magnetic powder brake support (29), institute
State the pedestal that magnetic powder brake support (29) are fixed on gear-box experimental provision by magnetic powder brake support fastening bolt (28)
On.The bearing base (27) of bearing block experimental provision and pedestal (34) are fixed by bearing base fastening bolt (26).Gear-box
Device and pedestal (34) are fixed by gear cage base fastening bolt (24).
As Figure 1 and Figure 4, the temperature sensor (5) is bonded in tested rolling bearing (9) and the normal axis of rolling respectively
Hold bearing block (3) side of (17), acceleration transducer I(4) it is individually positioned in the bearing block (3) and gear-box (23) of two bearings
In the threaded hole that upper end is equipped with, acceleration transducer II (20) is individually positioned in the bearing block (3) and gear-box (23) of two bearings
In the threaded hole that side is equipped with, sound pressure sensor I(11) it is used to detect tested rolling bearing (9), it is placed on sliding block (14), with
Height is adjusted with sound pressure sensor module support (13) between sliding block (14), sound pressure sensor II (15) places sliding block at the far end
On, between with sound pressure sensor module support (13) adjust height, the cooperation of two sliding blocks is fixed in sliding sliding rail (37), can be with
It slides above it;COCO80 signal analyzer (33) is placed on pedestal (34), and the output line of all sensors all passes through
The base recess (35) being equipped in pedestal (34) all accesses COCO80 signal analyzer (33).Sound pressure sensor is first adjusted before detection
I(11) and sound pressure sensor II(15) position, when COCO80 signal analyzer (33) is detected can in real time, it is quick
To the vibration of rotating machinery, temperature, noise signal data because obtain data have continuity, real-time and stability,
So the comparing cell of normal bearing and faulty bearings is established when analysis, it is comprehensive from three temperature, noise, vibration angles
Step analysis is carried out, and diagnoses gearbox fault simultaneously, obtains fault type in certain confidence interval.
As shown in Figure 2 and Figure 3, upper sound proof box (7) is opened and closed with lower sound proof box (8) by hinge (36), the upper sound insulation
Case (7) is made with lower sound proof box (8) by acrylic board, sticks sound-proof material in its inner wall, for carrying out to tested rolling bearing (9)
Sound insulation, and the outer wall of upper sound proof box (7) is equipped with handle, and lower sound proof box (7) is fixed on pedestal (2), and upper sound proof box (7) is under
Sound proof box (8) is placed on position as shown in Figure 2, by the tested rolling bearing (9) in bearing test device, bearing block (3), sensing
Device part is placed in it, the normal rolling bearing (17) in bearing test device is partially disposed in outside sound proof box, for surveying
It is more accurate to try bearing noise.
Before experiment starts, adjust sound pressure sensor I(11) and sound pressure sensor II(15) position, make magnetic powder brake
(30) power supply is in OFF state, closes all knobs.When work, sound proof box (7) in closing are opened motor (1), by motor
(1) drive shaft I(12) rotation, pass through shaft coupling (2), shaft II(14), synchronizing wheel I(18), synchronizing wheel II(21), and then band
Planetary gear and magnetic powder brake (33) rotation in movable tooth roller box (23), acquire respective signal by each sensor and pass to
Signal analyzer carries out fault diagnosis.
The present invention provides the working environment of simulation for it.And rotation speed can be adjusted by motor in the device.Motor
(1) it is fixed on pedestal (2) by motor fastening bolt (35), pedestal (2) bottom can have equipped with 6 pedestal cushion sockets (32)
Influence of the vibration and then reduction of the reduction motor (1) of effect to experimental noise and vibration.The motor provides different turn for bearing
Speed can provide different conditions.Normal rolling bearing (17) and faulty bearing (9) are driven by rotating shaft transmission, in order to
Ensure it is the reliability of data measured enhancing under the same conditions, carries out shaft connection with shaft coupling.Its advantage is that can quickly tear open
Fill tested rolling bearing (9) and its bearing block (3).Pedestal (2), pedestal vibration proof mounting (32), bearing block (3), bearing block cushion block
(19), bearing base (27) matches in height guarantees shaft concentricity, increases the precision of bearing fit, reduces bearing rotary
The frictional error generated in the process, influences failure analysis result.
When replacing bearing, motor power is closed, by two shaft couplings (3) between shaft I(12) and shaft II(16)
It unclamps, loosens four bearing (ball) cover fastening bolts (10), remove bearing outer ring；The axis of bearing inner race is removed, by bearing inner race
It removes, changes defective bearing, the component that front removes is loaded onto sequence, finally powers on and rotates.
To sum up, the present invention is connect by multiple sensors with COCO80 signal analyzer, the various data of test and
Its curve changed can show and acquire on signal analyzer, by analyzing the vibration of measured bearing and normal bearing, making an uproar
The signal datas such as sound, temperature carry out more comprehensive, accurate progress fault type diagnostic analysis, and measure the cross of gear-box simultaneously
To with radial vibration signal, carry out the analysis detection of more system.Each component of the invention is first adjusted to experiment shape when test
State can be test after inspection is errorless.The purpose of test is preferably diagnosis of the auxiliary people to rotating machinery fault, is mentioned
High-precision and reliability, the present invention have great value to the actual condition detection of rotating machinery.
For those skilled in the art, the invention patent is not limited to the details of above-mentioned exemplary embodiment, and
In the case where the spirit or essential attributes for following the invention patent, patent that the present invention can be realized in other specific forms.It is all
Within the spirit and principles in the present invention, any simple modification made, equivalent replacement and simple improve should all be sent out in the present invention
Within bright protection scope.In addition, it should be understood that although this specification is described in terms of embodiments, but not each implementation
Mode only contains an independent technical solution.
Claims (9)
1. a kind of compound diagnostic device of rotating machinery, bearing test device, the gear-box including pedestal and setting on the base are real
Experiment device and detection device, it is characterised in that: the bearing test device by two shafts by shaft coupling connect bearing, and
Left side connects motor by shaft coupling, by adjusting motor control bearing rotary speed, and fast demountable bearing；The gear
Case experimental provision synchronizing wheel is connect with bearing test device, is connected by gear-box shaft tooth connection roller box, then by shaft coupling
Magnetic powder brake, the magnetic powder brake are used to braking inner gear of the gear box and bearing realization device and increasing load,
Acceleration transducer is placed respectively in the upper surface of gear-box and side, can measure the oscillation crosswise and longitudinal vibration of inner gear of the gear box
It moves to detect gear combined failure；The detection device by temperature sensor, acceleration transducer, sound pressure sensor and
COCO80 signal analyzer composition, wherein temperature sensor and acceleration transducer are fixed on the bearing block two of bearing test device
On side, for temperature sensor in its side, acceleration transducer is individually positioned in bearing test device bottom bracket side and upper end
In the threaded hole of setting, sound pressure sensor is fixed in side by a line slide rail, passes through mobile sound pressure sensor lower end
Sliding block and then mobile sound pressure sensor measure the real-time noise data of bearing different location.
2. the compound diagnostic device of a kind of rotating machinery according to claim 1, it is characterised in that: the bearing test device
In shaft one end coupled with main shaft by shaft coupling, the other end is connect with synchronizing wheel, is connected between two synchronizing wheels with synchronous belt
It connects, synchronizing wheel is connect for being braked to gear-box and bearing and providing load with gear-box, magnetic powder brake.
3. the compound diagnostic device of a kind of rotating machinery according to claim 1, it is characterised in that: above bearing block and side
The acceleration transducer being fixed thereon is used for equipped with threaded hole, the temperature that useful adhesive is fixed thereon in bearing block right to pass
Sensor,
The output shaft of motor is connect by shaft coupling with main shaft, and when motor work, main shaft just can rotate, to test various items
The fault condition of rolling bearing under part.
4. the compound diagnostic device of a kind of rotating machinery according to claim 1, it is characterised in that: bearing block, axis, main shaft,
Acceleration transducer, shaft coupling, temperature sensor, sound pressure sensor, noise fulcrum bearing, linear slider guide rail are located in sound proof box
Portion, upper and lower sound proof box are connected by hinge realization folding；Upper and lower sound proof box, which closes, can effectively reduce extraneous environmental noise pair
The interference of sound pressure sensor in case, so that sound pressure sensor be made accurately to measure the sound of rotating machinery in operation.
5. the compound diagnostic device of a kind of rotating machinery according to claim 2, it is characterised in that: the bearing block experiment dress
It is connected between two shafts set, axis top chock easy to disassemble；Small cylinder damper is uniform-distribution at each angle of pedestal, it can be with
Slow down equipment itself and shakes influence to sound pressure sensor.
6. the compound diagnostic device of a kind of rotating machinery according to claim 1, it is characterised in that: tested faulty bearings are placed on
Inside sound proof box, normal axis is carried on outside sound proof box.
7. the compound diagnostic device of a kind of rotating machinery according to claim 1, it is characterised in that: to guarantee all transmission shafts
All on a horizontal linear, test error is reduced, in addition to there is bearing block, there are also bearing cushion blocks to guarantee concentricity, to subtract
It is worn caused by small measurement process, improves fault detection accuracy.
8. the compound diagnostic device of a kind of rotating machinery according to claim 1, it is characterised in that: packet in bearing test device
Bearing test pedestal is included, includes that gear-box tests pedestal in gear box device.
9. the compound diagnostic device of a kind of rotating machinery according to claim 1, it is characterised in that: sound pressure sensor is placed on
On sound pressure sensor bracket, sound pressure sensor is fixed on the sliding block of sliding sliding rail, and sliding block can move on sliding sliding rail.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811639531.XA CN109443758A (en) | 2018-12-29 | 2018-12-29 | A kind of compound diagnostic device of rotating machinery |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811639531.XA CN109443758A (en) | 2018-12-29 | 2018-12-29 | A kind of compound diagnostic device of rotating machinery |
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| CN201811639531.XA Pending CN109443758A (en) | 2018-12-29 | 2018-12-29 | A kind of compound diagnostic device of rotating machinery |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110044624A (en) * | 2019-04-24 | 2019-07-23 | 华东交通大学 | A kind of box bearing fault detection method and system |
| CN110082107A (en) * | 2019-04-08 | 2019-08-02 | 四川安和精密电子电器有限公司 | Vibrating motor defect diagonsis device and defect identification method based on audio analysis |
| CN110595773A (en) * | 2019-11-01 | 2019-12-20 | 浙江倍时信息科技有限公司 | Mechanical multi-fault real-time simulation device |
| CN110908358A (en) * | 2019-11-01 | 2020-03-24 | 昆山朗捷通物联信息有限公司 | Fault diagnosis device for new energy automobile based on Internet of things |
| CN111323218A (en) * | 2020-03-18 | 2020-06-23 | 软控股份有限公司 | Fault monitoring method and system for ball screw |
| CN112362344A (en) * | 2020-11-09 | 2021-02-12 | 广东石油化工学院 | Fault analysis method for gearbox gear |
| CN113340589A (en) * | 2021-06-10 | 2021-09-03 | 山东博特精工股份有限公司 | Ball screw pair and linear guide rail pair testing device and monitoring device |
| CN113632026A (en) * | 2019-08-29 | 2021-11-09 | 亿可能源科技（上海）有限公司 | Fault diagnosis method and system for rotary mechanical equipment and storage medium |
| CN118408743A (en) * | 2024-07-04 | 2024-07-30 | 山东轴研精密轴承有限公司 | Bearing fault detection system and method |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2213992Y (en) * | 1994-11-23 | 1995-11-29 | 渝州大学 | Trouble diagnose experimental stage for rotary machinery |
| JP2001255241A (en) * | 2000-03-10 | 2001-09-21 | Toshiba Corp | Bearing diagnostic device for rotating machine |
| JP2004233284A (en) * | 2003-01-31 | 2004-08-19 | Nsk Ltd | Diagnostic device and diagnostic method of rolling bearing unit |
| CN101576438A (en) * | 2009-06-02 | 2009-11-11 | 西安交通大学 | Bearing-gear multi-fault coupled simulation experiment table |
| US20100139403A1 (en) * | 2008-12-04 | 2010-06-10 | University Of Ottawa | Parameter independent detection of rotating machinery faults |
| CN102967459A (en) * | 2012-12-03 | 2013-03-13 | 中国计量学院 | Simulated experiment system for fault of rotary machine |
| CN203490074U (en) * | 2013-10-26 | 2014-03-19 | 李光 | Bearing fault detection system for locomotive wheel set |
| CN104374470A (en) * | 2014-12-08 | 2015-02-25 | 宁夏大学 | Noise detection and fault diagnosis platform for rolling bearings |
| CN106017932A (en) * | 2016-08-02 | 2016-10-12 | 哈尔滨理工大学 | Online monitoring and intelligent early-warning system for motor bearing |
| CN206440461U (en) * | 2017-01-14 | 2017-08-25 | 华东交通大学 | A kind of bearing, gear distress simulator stand |
| CN207007517U (en) * | 2017-07-21 | 2018-02-13 | 昆明电器科学研究所 | A kind of motor rolling bearing failure diagnosis system |
| CN109029986A (en) * | 2018-09-03 | 2018-12-18 | 哈尔滨理工大学 | The simulation of rotating machinery multiple faults and test experience device |
-
2018
- 2018-12-29 CN CN201811639531.XA patent/CN109443758A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2213992Y (en) * | 1994-11-23 | 1995-11-29 | 渝州大学 | Trouble diagnose experimental stage for rotary machinery |
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| JP2004233284A (en) * | 2003-01-31 | 2004-08-19 | Nsk Ltd | Diagnostic device and diagnostic method of rolling bearing unit |
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| CN102967459A (en) * | 2012-12-03 | 2013-03-13 | 中国计量学院 | Simulated experiment system for fault of rotary machine |
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