CN109243234A - A kind of gear train assembly fault diagnosis experimental bench - Google Patents
A kind of gear train assembly fault diagnosis experimental bench Download PDFInfo
- Publication number
- CN109243234A CN109243234A CN201811090696.6A CN201811090696A CN109243234A CN 109243234 A CN109243234 A CN 109243234A CN 201811090696 A CN201811090696 A CN 201811090696A CN 109243234 A CN109243234 A CN 109243234A
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- gear
- input shaft
- bearing
- shaft
- output shaft
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B9/00—Simulators for teaching or training purposes
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B25/00—Models for purposes not provided for in G09B23/00, e.g. full-sized devices for demonstration purposes
- G09B25/02—Models for purposes not provided for in G09B23/00, e.g. full-sized devices for demonstration purposes of industrial processes; of machinery
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- Theoretical Computer Science (AREA)
- Business, Economics & Management (AREA)
- Physics & Mathematics (AREA)
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- General Physics & Mathematics (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
A kind of gear train assembly fault diagnosis experimental bench, it is characterised in that: with the installation of simply supported beam supporting structure, the pinion gear and gear wheel are arranged on the midpoint between input shaft and output shaft bearing support for input shaft and output shaft in the experiment porch；The servo motor is fixedly mounted on motor support base, the motor support base is mounted in table base, the shaft coupling is fixedly connected with input shaft and servo motor shaft, the pinion gear is fixedly connected with input shaft, and input shaft is fixed on bearing of input shaft support by bearing, the gear wheel is fixedly connected with output shaft, and output shaft is fixed on output shaft bearing support by bearing, gear train assembly fault diagnosis experimental bench of the present invention, when carrying out the experiment of gear drive fault setting, without dismantling the gear in shafting and the bearing at both ends, maintain the precision of the transmission system of gear replacement front and back, it is of great significance for precise verification Gear Fault Diagnosis algorithm.
Description
Technical field
The present invention relates to teaching and experimental instrument and equipment technical field, in particular to a kind of gear train assembly fault diagnosises
Experimental bench.
Background technique
Whether the operating status of the rotating machineries such as gear, axle and bearing normally directly influences entire heavy mechanical equipment
The performance parameters such as machining accuracy, operational reliability and service life carry out condition monitoring for rotating machinery and fault diagnosis, prediction technique
Research is the basis for guaranteeing that mechanical equipment operational safety is stable.Computer technology, modern test technology, signal processing technology, letter
The development of the modern science and technology such as number identification technology and fault diagnosis technology, pushes the condition monitoring and diagnosis of rotating machinery
The research and application of technology enter the new stage.
Gear train assembly fault diagnosis experimental bench as " mechanical oscillation ", " precision machine design ", " detection technique ",
The experiment porch of more subjects such as " Fundamentals of Sensors & Application ", makes classmates that can understand modern test technology, instrument and meter
Technology and fault diagnosis technology are familiar with the basic principle and common method of rotary machinery fault diagnosis, are suitble to observing and controlling, machinery, machine
The experimental teaching of multiple professions such as electricity, in the ability of practice for the development and training student for promoting experimental teaching and initiative spirit etc.
Aspect all has important practical significance.Related teaching experiment product category is various in existing market, and there are also the machines of type
Tool fault diagnosis experiment porch uses in daily mechanical engineering and measuring technology class course, may be implemented various gears,
The most common failure of the parts such as bearing, shafting is simulated, and realizes basic teaching purpose.But existing teaching experiment product is generally deposited
The problem for being difficult to replace and failure mode is few in failed part causes reality to grind the teaching experiment and science of gear distress
In studying carefully, no standard measure is configured and describes for fault type and size, while frequent experimentation be easy to cause reality
Testing playscript with stage directions body precision and reducing influences teaching experiment effect.
Therefore, it in view of the above problems, it is necessary to design a kind of gear train assembly fault diagnosis experimental bench, realizes more convenient
Efficiently simulation input axle intersect with electrical axis Parallel misalignment, input shaft and electrical axis misalign, gear is uneven, disconnected
The comprehensive type of tooth, rippling and various faults, provides conveniently for relevant experimental teaching and research work.
Summary of the invention
For above situation, the purpose of the present invention is to provide a kind of gear train assembly fault diagnosis experimental benches, can use
Mechanical engineering and measure and control instrument class course experiment teaching and related scientific research work, and simulation input axle is not parallel with electrical axis right
In, input shaft intersect with electrical axis misalign, the power train that gear imbalance, broken teeth, rippling and various faults are comprehensive
System failure provides theoretical foundation and technological guidance, and event for the condition monitoring and fault diagnosis of rotatory mechanical system transmission system
Barrier type setting is easy to operate, and experimental bench is easy to popularize.
The technical scheme adopted by the present invention to solve the technical problems existing in the known art is that
A kind of gear train assembly fault diagnosis experimental bench, it is characterised in that: gear train assembly fault diagnosis experimental bench
Using the two-spool design of twin spans, comprising: table base, servo motor, motor support base, shaft coupling, input shaft, output shaft,
Gear drive, bearing spider；It is characterized by: input shaft and output shaft are in the experiment porch with simply supported beam supporting structure peace
Dress, the gear drive include the pinion gear being meshed and gear wheel, the pinion gear and gear wheel be arranged in input shaft and
On midpoint between output shaft bearing support；The servo motor is fixedly mounted on motor support base, the motor support base installation
In table base, the shaft coupling is fixedly connected with input shaft and servo motor shaft, the pinion gear and the fixed company of input shaft
It connects, and input shaft is fixed on bearing of input shaft support by bearing, the gear wheel is fixedly connected with output shaft, and output shaft
It is fixed on output shaft bearing support by bearing.
Further, the bearing spider includes the bearing spider of input shaft and output shaft, and bearing spider is dissection type knot
Structure, bearing spider upper cover and pedestal are bolted, can be with fast assembling-disassembling integral replacing different faults shafting, the failure axis
System includes: transmission shaft, the failure gear among installation axle and the bearing for being mounted on axis both ends, and the failure gear includes spot corrosion tooth
Wheel, broken teeth gear and uneven gear.
Further, the motor support base is provided with 6 groups of through-holes, and motor support base is fixed on by two M5 hexagon socket head cap screws
In table base, the table base has the equidistant M5 threaded hole of 4 rows, and every row's threaded hole can be used to adjust for totally 15
Bearing spider span and the position that opto-electronic sensor support and current vortex sensor bracket is arranged, the table base is in electricity
Machine support installation position is equipped with the threaded hole of 6 groups of M5,6 groups of threaded hole centers away from corresponding with 6 groups of through-holes on motor support base, and
Away from equal, the hexagon socket head cap screw can be with each group spiral shell in table base by every group of through-hole of motor support base at the center in every group of hole
Pit assembly may be implemented input shaft and intersect not with servo motor axis Parallel misalignment and input shaft and servo motor axis
Centering fault setting.
Further, the shaft coupling is elastic dowel pin shaft coupling, and the spring column pin is uniformly distributed along coupling flange disk, bullet
Property pin quantity be 4, the elastic dowel pin shaft coupling allows parallel misalignment between input shaft and servo motor axis and micro-
The small angle of cut.
Further, the gear wheel is along the circumferential direction evenly equipped with the threaded hole of 18 M5, and the threaded hole can be screwed into spiral shell
Bolt and mass block combination, setting gear shaft rotate imbalance fault.
Compared with prior art, gear train assembly fault diagnosis experimental bench of the present invention is carrying out gear drive
Fault setting test when, without dismantling the gear in shafting and the bearing at both ends, and can be convenient of the present invention
Photoelectric sensor is installed on sensor stand and current vortex sensor measures gear train assembly, it can be to greatest extent
Time progress teaching and scientific research is saved on ground, the precision of the transmission system of gear replacement front and back is maintained, for precise verification gear
Fault diagnosis algorithm is of great significance.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present invention, constitutes a part of the invention, this hair
Bright illustrative embodiments and their description are used to explain the present invention, and are not constituted improper limitations of the present invention.
In the accompanying drawings:
Fig. 1 gear train assembly fault diagnosis experimental bench general structure schematic diagram；
Fig. 2 table base bolt hole distribution schematic diagram；
Fig. 3 table base and 6 groups of fault setting hole schematic diagrames of motor support base；
Fig. 4 input shaft is overlapped (normal condition) schematic diagram with servo motor axis；
The Parallel misalignment fault setting schematic diagram of Fig. 5 axis bias 1mm；
The Parallel misalignment fault setting schematic diagram of Fig. 6 axis bias 2mm；
The intersection of 1 degree of Fig. 7 axis drift angle misaligns fault setting schematic diagram；
The intersection of 2 degree of Fig. 8 axis drift angle misaligns fault setting schematic diagram；
The intersection of 3 degree of Fig. 9 axis drift angle misaligns fault setting schematic diagram；
The failure pinion gear that Figure 10 can be changed quickly inputs shafting structure schematic diagram；
The failure gear wheel that Figure 11 can be changed quickly exports shafting structure schematic diagram；
Wherein:
1.1, table base；1.2, bearing spider pedestal；1.3 bearing spider upper covers；1.4 big bearing spider pedestals；1.5
Big bearing spider upper cover；
2.1, current vortex sensor bracket 1；2.2 opto-electronic sensor support；2.3 current vortex sensor brackets 2；
3.1, shaft coupling；3.2, servo motor；3.3, motor support base；
4.1, output shaft bearing；4.2, output shaft；4.3, gear wheel；4.4, pinion gear；4.5, input shaft；4.6, input shaft
Bearing.
Specific embodiment
In order to further understand the content, features and effects of the present invention, enumerate following embodiment, and cooperate attached drawing and
The present invention is described in further detail for embodiment.
It is below a specific manufacture embodiment:
Preset description:
Pinion gear 4.4: modulus 4mm, the number of teeth 18, facewidth 25mm；
Gear wheel 4.3: modulus 4mm, the number of teeth 36, facewidth 25mm, spoke type, the wide 50mm of flange；
Input shaft 4.5: diameter of axle 10mm, axial length 450mm；
Output shaft 4.2: diameter of axle 15mm, axial length 430mm；
4.6 model 6200 of bearing of input shaft, 4.1 model 6002 of output shaft bearing；
Table base 1.1 has the equidistant M5 threaded hole of 4 rows, and every row's threaded hole can be used to adjust bearing branch for totally 15
Seat span and the position 2.1,2.3 that opto-electronic sensor support 2.2 and current vortex sensor bracket are set；Table base 1.1
It is equipped with the threaded hole of 6 groups of M5 in 3.3 installation position of motor support base, as shown in Fig. 2, will be with 6 groups of through-hole number phases on motor support base 3.3
It is corresponding, as shown in Figure 3；
(1) input shaft 4.5 is overlapped (normal condition) with 3.2 axis of servo motor:
Motor support base 3.3 and table base 1.1 by the 1. group threaded hole is connect when, 3.2 axis of servo motor with it is defeated
Enter the coincidence of 4.5 axis of axis, gear train assembly fault diagnosis experimental bench is in the normal condition of no any failure, such as Fig. 4 institute
Show；
(2) input shaft 4.5 and servo motor axis Parallel misalignment fault setting (Parallel misalignment state):
Motor support base 3.3 and table base 1.1 by the 2. group threaded hole is connect when, 3.2 axis of servo motor with it is defeated
It is parallel to enter 4.5 axis of axis, offset or dish 1mm, as shown in Figure 5；
Motor support base and table base 1.1 by the 3. group threaded hole is connect when, 3.2 axis of servo motor and input shaft
4.5 axis are parallel, offset or dish 2mm, as shown in Figure 6；
(3) input shaft 4.5 intersects with 3.2 axis of servo motor misaligns fault setting (intersection condition of misalignment):
When motor support base 3.3 and table base 1.1 by the 4. group threaded hole connect when, 3.2 axis of servo motor and
The intersection of 4.5 axis of input shaft, angle are 1 degree, as shown in Figure 7；
When motor support base 3.3 and table base 1.1 by the 5. group threaded hole connect when, 3.2 axis of servo motor and
The intersection of 4.5 axis of input shaft, angle are 2 degree, as shown in Figure 8；
When motor support base 3.3 and table base 1.1 by the 6. group threaded hole connect when, 3.2 axis of servo motor and
The intersection of 4.5 axis of input shaft, angle are 3 degree, as shown in Figure 9；
(4) gear drive fault setting
The bearing spider of input shaft 4.5 and output shaft 4.2 is split type structure, bearing spider upper cover 1.3,1.5 and bearing
Support pedestal 1.2,1.4 is bolted, can be by shafting both ends when needing change gear 4.3,4.4 fault type
Bearing upper cover 1.3,1.5 unclamps, and directly replaces identical material and geometric parameter different faults type shafting, can quickly tear open
Integral replacing different faults shafting is filled, the failure shafting has 4.2 system of 4.5 system of input shaft and output shaft, as shown in Figure 10, and such as
Shown in Figure 11；
The shafting components include: transmission shaft 4.2,4.5, the failure gear 4.3,4.4 among installation axle and be mounted on axis
The bearing 4.1,4.6 at both ends, the failure gear include spot corrosion gear, broken teeth gear and uneven gear.
Specific implementation of the invention is described in detail above, but content is only the preferred embodiment of the present invention
, and be considered being not used in and limit practical range of the invention；For those skilled in the art, the present invention can have
Various modifications and variations.All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on, should all
It is included within protection scope of the present invention.
Claims (3)
1. a kind of gear train assembly fault diagnosis experimental bench, it is characterised in that: gear train assembly fault diagnosis experimental bench is adopted
With the two-spool design of twin spans, comprising: table base, servo motor, motor support base, shaft coupling, input shaft, output shaft, tooth
Wheel transmission, bearing spider；It is characterized by: input shaft and output shaft are installed in the experiment porch with simply supported beam supporting structure,
The gear drive includes the pinion gear being meshed and gear wheel, and the pinion gear and gear wheel are arranged in input shaft and output
On midpoint between axle bearing support；The servo motor is fixedly mounted on motor support base, and the motor support base is mounted on reality
It tests on platform pedestal, the shaft coupling is fixedly connected with input shaft and servo motor shaft, and the pinion gear is fixedly connected with input shaft, and
Input shaft is fixed on bearing of input shaft support by bearing, and the gear wheel is fixedly connected with output shaft, and output shaft passes through
Bearing is fixed on output shaft bearing support.
2. bearing spider as described in claim 1 includes the bearing spider of input shaft and output shaft, bearing spider is dissection type knot
Structure, bearing spider upper cover and pedestal are bolted, can be with fast assembling-disassembling integral replacing different faults shafting, the failure axis
System includes: transmission shaft, the failure gear among installation axle and the bearing for being mounted on axis both ends, and the failure gear includes spot corrosion tooth
Wheel, broken teeth gear and uneven gear.
3. motor support base as described in claim 1 is provided with 6 groups of through-holes, motor support base is fixed by two M5 hexagon socket head cap screws
In in table base, the table base has the equidistant M5 threaded hole of 4 rows, and every row's threaded hole can be used to adjust for totally 15
Whole bearing spider span and the position that opto-electronic sensor support and current vortex sensor bracket is arranged, the table base exist
Motor support base installation position is equipped with the threaded hole of 6 groups of M5,6 groups of threaded hole centers away from corresponding with 6 groups of through-holes on motor support base,
And the center in every group of hole, away from equal, the hexagon socket head cap screw can be with each group in table base by every group of through-hole of motor support base
Threaded hole assembly, may be implemented input shaft and intersects with servo motor axis Parallel misalignment and input shaft with servo motor axis
Misalign fault setting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811090696.6A CN109243234A (en) | 2018-09-19 | 2018-09-19 | A kind of gear train assembly fault diagnosis experimental bench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811090696.6A CN109243234A (en) | 2018-09-19 | 2018-09-19 | A kind of gear train assembly fault diagnosis experimental bench |
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| Publication Number | Publication Date |
|---|---|
| CN109243234A true CN109243234A (en) | 2019-01-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811090696.6A Pending CN109243234A (en) | 2018-09-19 | 2018-09-19 | A kind of gear train assembly fault diagnosis experimental bench |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109738185A (en) * | 2019-02-01 | 2019-05-10 | 江苏省金象传动设备股份有限公司 | Consider that gear misaligns the gear fatigue tester with flank of tooth unbalance loading |
| CN110595767A (en) * | 2019-08-30 | 2019-12-20 | 天津工业大学 | Gear drive system fault simulation experiment table capable of rapidly replacing parts |
| CN110595766A (en) * | 2019-08-30 | 2019-12-20 | 天津工业大学 | Gear drive system axis misalignment fault simulation experiment table |
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| CN206440461U (en) * | 2017-01-14 | 2017-08-25 | 华东交通大学 | A kind of bearing, gear distress simulator stand |
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2018
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Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1612458A2 (en) * | 2004-06-28 | 2006-01-04 | General Electric Company | System and method for monitoring the condition of a drive train |
| CN101246082A (en) * | 2008-02-29 | 2008-08-20 | 西安交通大学 | Multi-fault coupling gear box simulated experiment bench |
| CN101900640A (en) * | 2010-07-23 | 2010-12-01 | 北京工业大学 | Fault simulation combined test table of machine drive system |
| 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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| CN206440461U (en) * | 2017-01-14 | 2017-08-25 | 华东交通大学 | A kind of bearing, gear distress simulator stand |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109738185A (en) * | 2019-02-01 | 2019-05-10 | 江苏省金象传动设备股份有限公司 | Consider that gear misaligns the gear fatigue tester with flank of tooth unbalance loading |
| CN109738185B (en) * | 2019-02-01 | 2023-09-26 | 江苏省金象传动设备股份有限公司 | Gear fatigue testing machine considering gear misalignment and gear surface unbalanced load |
| CN110595767A (en) * | 2019-08-30 | 2019-12-20 | 天津工业大学 | Gear drive system fault simulation experiment table capable of rapidly replacing parts |
| CN110595766A (en) * | 2019-08-30 | 2019-12-20 | 天津工业大学 | Gear drive system axis misalignment fault simulation experiment table |
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Application publication date: 20190118 |
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