CN102564746B - Fault monitoring and diagnosis experiment instrument for rotary part - Google Patents
Fault monitoring and diagnosis experiment instrument for rotary part Download PDFInfo
- Publication number
- CN102564746B CN102564746B CN201110388390.0A CN201110388390A CN102564746B CN 102564746 B CN102564746 B CN 102564746B CN 201110388390 A CN201110388390 A CN 201110388390A CN 102564746 B CN102564746 B CN 102564746B
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- movable platform
- little axle
- macro
- frequency motor
- variable
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Abstract
The invention discloses a fault monitoring and diagnosis experiment instrument for a rotary part. A variable frequency motor (27) is arranged on a variable frequency motor platform (25). A pinion (8) is arranged on a small shaft (9) on a small shaft moving platform (13). A gear wheel (21) is arranged on a big shaft (20) on a big shaft moving platform (19). The pinion (8) is meshed with the gear wheel (21). One end of the big shaft (20) is connected with a DC (direct current) motor (17). A transmission shaft (4) is arranged on a shaft stool (3) between the variable frequency motor platform (25) and the small shaft moving platform (13). One end of the transmission shaft (4) is connected with the variable frequency motor (27). The other end of the transmission shaft (4) is connected with the small shaft (9). According to the invention, the fault monitoring and diagnosis experiment instrument is used for monitoring the working state of the rotary part at regular intervals and determining whether to maintain or replace the rotary part according to a monitoring result, so that the fault maintenance and the excessive maintenance are avoided, the maintenance cost is reduced and the incidence of damage of a machine accident to people is reduced.
Description
Technical field
The present invention relates to experiment instrument, be specifically related to a kind of rotary part Fault monitoring and diagnosis experiment instrument.
Background technology
Along with developing rapidly of modern industry and science and technology, production equipment maximization increasingly, high speed, robotization and intellectuality, the particularly development of computer technology, the structure of modern comfort becomes increasingly complex, the scale of automated system is increasing, interrelated between the element of device systems, close-coupled, the factor amount that affects system operation increases, and makes its Potential feasibility that produces trouble or failure more and more.Traditional correction maintenance, preventive maintenance mode are far not suitable for the needs of modern comfort management, the substitute is state monitor maintenance.
Summary of the invention
The object of the invention is to: a kind of rotary part Fault monitoring and diagnosis experiment instrument is provided, this experiment instrument catches the defect problem that rotary part exists in transmission process, this defect problem converts electric signal to through the electronic information technology of signals collecting, analog simulation, by electronic information identification, analysis, analog simulation, thereby reach the fault diagnosis of rotary part and detection.
Technical solution of the present invention is: this experiment instrument comprises the variable-frequency motor being arranged on base plate, pinion wheel, gear wheel and direct current generator, on variable-frequency motor platform, through electric baseboard fastening bolt, variable-frequency motor is installed, in little axle movable platform, through section bar slideway, little bearing housing is installed, on little bearing housing, through bearing, little axle is installed, on little axle, pinion wheel is installed, large bearing housing is installed in macro-axis movable platform, on large bearing housing, through bearing, macro-axis is installed, gear wheel is installed on macro-axis, pinion wheel engagement gear wheel, wherein one end of macro-axis connects direct current generator through shaft coupling, installation shaft bearing between variable-frequency motor base plate and little axle movable platform, transmission shaft is installed on shaft stool, one end of transmission shaft is through synchronous pulley, belt connects variable-frequency motor, the other end of transmission shaft connects little axle through positive coupling.
Wherein, on variable-frequency motor platform, establish motor position adjusting bolt.
Wherein, in little axle movable platform, establish little axle movable platform position adjustments bolt.
Wherein, in macro-axis movable platform, establish macro-axis movable platform position adjustments bolt.
Wherein, on base plate, establish adjustable trip bolt.
Wherein, in little axle movable platform, little axle dial gauge is installed.
Wherein, in macro-axis movable platform, macro-axis dial gauge is installed.
Wherein, current vortex sensor supporting base slideway is installed in little axle movable platform, on current vortex sensor supporting base slideway, through current vortex sensor supporting base, current vortex sensor is installed, current vortex sensor supporting base slides flexibly in current vortex sensor supporting base slideway.
Wherein, on little axle, accelerometer is installed.
During work, opening power, variable-frequency motor motion, rotates the transmission shaft on shaft stool through belt, synchronous pulley rotation, and little axle synchronously rotates, the pinion wheel on little axle and then rotation, the transmission of pinion wheel engagement gear wheel; Meanwhile, direct current generator is by macro-axis, the transmission of gear wheel pinion mate; During experiment, by regulating the rotating speed of variable-frequency motor, make instrument to rotary part, carry out fault detection and diagnosis under different rotating speeds; Regulate little axle movable platform position adjustments bolt and macro-axis movable platform position adjustments bolt, make experiment instrument realize the loading of radial force and axial force; By direct current generator, realize the loading of torque; Finally by current vortex sensor, accelerometer, carry out signals collecting, processing, and through a series of process analysis procedure analyses, finally complete the fault detection and diagnosis to rotary part; Wherein, regulate motor position adjusting bolt to realize the degree of tightness adjustment of belt; Wherein, bearing seat slides in section bar slideway, to be applicable to the situation of different little shaft lengths.
The invention has the beneficial effects as follows: termly rotary part duty is monitored, according to monitoring result, determine whether rotary part is repaired or replaced, breakdown maintenance, superfluous maintenance have not only been avoided, reduced maintenance cost, but also greatly reduced due to the incidence of machine accident to people's injury.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
In figure: 1 motor position adjusting bolt, 2 synchronous pulleys, 3 shaft stools, 4 transmission shafts, 5 positive couplings, 6 current vortex sensors, 7 current vortex sensor supporting bases, 8 pinion wheels, 9 little axles, 10 little axle dial gauges, 11 little axle movable platform position adjustments bolts, 12 section bar slideways, 13 little axle movable platforms, 14 accelerometers, 15 little bearing housings, 16 current vortex sensor supporting base slideways, 17 direct current generators, 18 shaft couplings, 19 macro-axis movable platforms, 20 macro-axis, 21 gear wheels, 22 macro-axis dial gauges, 23 macro-axis movable platform position adjustments bolts, 24 large bearing housings, 25 variable-frequency motor platforms, 26 adjustable trip bolts, 27 variable-frequency motors, 28 belts, 29 base plates, 30 bearings.
Embodiment
As shown in Figure 1, experiment instrument comprises the variable-frequency motor 27 being arranged on base plate 29, pinion wheel 8, gear wheel 21 and direct current generator 17, on variable-frequency motor platform 25, through electric baseboard fastening bolt, variable-frequency motor 27 is installed, in little axle movable platform 13, through section bar slideway 12, little bearing housing 15 is installed, on little bearing housing 15, through bearing 30, little axle 9 is installed, on little axle 9, pinion wheel 8 is installed, large bearing housing 24 is installed in macro-axis movable platform 19, on large bearing housing 24, through bearing, macro-axis 20 is installed, gear wheel 21 is installed on macro-axis 20, pinion wheel 8 engagement gear wheels 21, wherein one end of macro-axis 20 connects direct current generator 17 through shaft coupling 18, installation shaft bearing 3 between variable-frequency motor platform 25 and little axle movable platform 13, transmission shaft 4 is installed on shaft stool 3, one end of transmission shaft 4 is through synchronous pulley 2, belt 28 connects variable-frequency motor 27, the other end of transmission shaft 4 connects little axle 9 through positive coupling 5.
Wherein, on variable-frequency motor platform 25, establish motor position adjusting bolt 1.
Wherein, in little axle movable platform 13, establish little axle movable platform position adjustments bolt 11.
Wherein, in macro-axis movable platform 19, establish macro-axis movable platform position adjustments bolt 23.
Wherein, on base plate 29, establish adjustable trip bolt 26.
Wherein, in little axle movable platform 13, little axle dial gauge 10 is installed.
Wherein, in macro-axis movable platform 19, macro-axis dial gauge 22 is installed.
Wherein, current vortex sensor supporting base slideway 16 is installed in little axle movable platform 13, on current vortex sensor supporting base slideway 16, through current vortex sensor supporting base 7, current vortex sensor 6 is installed, current vortex sensor supporting base 7 slides flexibly in current vortex sensor supporting base slideway 16.
Wherein, on little axle 9, accelerometer 14 is installed.
During work, opening power, variable-frequency motor 27 motions, rotate the transmission shaft 4 on shaft stool 3 through belt 28, synchronous pulley 2 rotations, and little axle 9 synchronously rotates, the bearing 30 on little axle 9 and pinion wheel 8 and then rotation, pinion wheel 8 engagement gear wheel 21 transmissions; Meanwhile, direct current generator 17 is by macro-axis 20, gear wheel 21 pinion mate 8 transmissions; During experiment, by regulating the rotating speed of variable-frequency motor 27, make instrument to rotary part, carry out fault detection and diagnosis under different rotating speeds; Regulate little axle movable platform position adjustments bolt 11 and macro-axis movable platform position adjustments bolt 23, make experiment instrument realize the loading of radial force and axial force; By direct current generator 17, realize the loading of torque; Finally by current vortex sensor 6, accelerometer 14, carry out signals collecting, processing, and through a series of process analysis procedure analyses, finally complete the fault detection and diagnosis to rotary part; Wherein, regulate motor position adjusting bolt 1 to realize the degree of tightness adjustment of belt 28; Wherein, bearing seat 15 slides in section bar slideway 12, to be applicable to the situation of different little axle 9 length.
Claims (1)
1. rotary part Fault monitoring and diagnosis experiment instrument, experiment instrument comprises the variable-frequency motor (27) being arranged on base plate (29), pinion wheel (8), gear wheel (21) and direct current generator (17), upper through electric baseboard fastening bolt installation variable-frequency motor (27) at variable-frequency motor platform (25), in little axle movable platform (13), above through section bar slideway (12), little bearing housing (15) is installed, little bearing housing (15) is upper installs little axle (9) through bearing (30), the upper pinion wheel (8) of installing of little axle (9), at the upper large bearing housing (24) of installing of macro-axis movable platform (19), large bearing housing (24) is upper installs macro-axis (20) through bearing, the upper gear wheel (21) of installing of macro-axis (20), pinion wheel (8) engagement gear wheel (21), wherein one end of macro-axis (20) connects direct current generator (17) through shaft coupling (18), installation shaft bearing (3) between variable-frequency motor platform (25) and little axle movable platform (13), the upper transmission shaft (4) of installing of shaft stool (3), one end of transmission shaft (4) is through synchronous pulley (2), belt (28) connects variable-frequency motor (27), the other end of transmission shaft (4) connects little axle (9) through positive coupling (5), it is characterized in that: wherein, on variable-frequency motor platform (25), establish the adjusting that motor position adjusting bolt (1) realizes the radial load of split bearing, wherein, in little axle movable platform (13), establish little axle movable platform position adjustments bolt (11) and be convenient to dismounting adjusting, realize quick-replaceable problem part, wherein, in macro-axis movable platform (19), establish macro-axis movable platform position adjustments bolt (23) and be convenient to dismounting adjusting, realize quick-replaceable problem part, wherein, on base plate (29), establish adjustable trip bolt (26) and be convenient to dismounting adjusting, realize quick-replaceable problem part, wherein, little axle movable platform (13) the little axle dial gauge of upper installation (10) carrys out the displacement of the little axle movable platform of measuring and adjusting, wherein, macro-axis movable platform (19) upper installation dial gauge (22) carrys out the displacement of measuring and adjusting macro-axis movable platform, wherein, at the upper current vortex sensor supporting base slideway (16) of installing of little axle movable platform (13), current vortex sensor supporting base slideway (16) is upper installs current vortex sensor (6) through current vortex sensor supporting base (7), current vortex sensor supporting base (7) slides flexibly in current vortex sensor supporting base slideway (16), is convenient to dismounting, wherein, at the upper accelerometer (14) of installing of little axle (9), extract acceleration signal, wherein, on variable-frequency motor platform (25), be equipped with in variable-frequency motor (27) and macro-axis movable platform (19) load resistance adjustable DC motor (17) is housed, by regulating the rotating speed of variable-frequency motor, the vibration of problem gear and bearing under seizure friction speed, by the moment of resistance of regulating load resistance sizes adjustable DC motor, the vibration of problem gear and bearing under seizure different loads, wherein, it is upper that little bearing housing (15) is arranged on section bar slideway (12), is convenient to install, and little bearing housing (15) is upper installs little axle (9) through bearing (30).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110388390.0A CN102564746B (en) | 2011-11-30 | 2011-11-30 | Fault monitoring and diagnosis experiment instrument for rotary part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110388390.0A CN102564746B (en) | 2011-11-30 | 2011-11-30 | Fault monitoring and diagnosis experiment instrument for rotary part |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102564746A CN102564746A (en) | 2012-07-11 |
| CN102564746B true CN102564746B (en) | 2014-09-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110388390.0A Expired - Fee Related CN102564746B (en) | 2011-11-30 | 2011-11-30 | Fault monitoring and diagnosis experiment instrument for rotary part |
Country Status (1)
| Country | Link |
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| CN (1) | CN102564746B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110530632A (en) * | 2019-08-29 | 2019-12-03 | 南京沃瑞新能源科技有限公司 | A kind of automobile gear engagement measuring instrument |
| CN112660199B (en) * | 2020-12-25 | 2024-02-06 | 中车永济电机有限公司 | Data storage and early warning method for monitoring bearing state of rail transit traction motor |
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| CN2518097Y (en) * | 2001-04-28 | 2002-10-23 | 鞍山钢铁学院 | Integrated fault diagnostic test bench for machinery and appts. |
| CN2627488Y (en) * | 2003-07-11 | 2004-07-21 | 吴学东 | Mechanical transmission means innovative combination and test parameter analysis test bench |
| CN200944078Y (en) * | 2006-05-31 | 2007-09-05 | 长沙航空工业中南传动机械厂 | Gear loading contact detector |
| CN101900640A (en) * | 2010-07-23 | 2010-12-01 | 北京工业大学 | Fault simulation combined test table of machine drive system |
| CN102004030A (en) * | 2010-11-05 | 2011-04-06 | 重庆康明斯发动机有限公司 | Vibration measuring test bed for vibration absorber |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1294411C (en) * | 2004-07-07 | 2007-01-10 | 浙江大学 | Dynamic load performance test table for oil-impregnated bearing |
| CN100573084C (en) * | 2004-07-12 | 2009-12-23 | 天津横河电子技术有限公司 | Automobile gearbox loads and detects testing table |
| KR20100000548A (en) * | 2008-06-25 | 2010-01-06 | 정영현 | Experiment device of rv speed reducer |
| CN101587016A (en) * | 2009-07-07 | 2009-11-25 | 西安交通大学 | Dynamic performance comprehensive detection system of harmonic speed reducer |
| CN202033187U (en) * | 2011-03-29 | 2011-11-09 | 长城汽车股份有限公司 | Test platform for automatic transmission stopping mechanism |
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2011
- 2011-11-30 CN CN201110388390.0A patent/CN102564746B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU647574A1 (en) * | 1977-04-25 | 1979-02-15 | Всесоюзный Научно-Исследовательский Экспериментально-Конструкторский Институт Электробытовых Машин И Приборов | Toothed wheel testing stand |
| CN2518097Y (en) * | 2001-04-28 | 2002-10-23 | 鞍山钢铁学院 | Integrated fault diagnostic test bench for machinery and appts. |
| CN2627488Y (en) * | 2003-07-11 | 2004-07-21 | 吴学东 | Mechanical transmission means innovative combination and test parameter analysis test bench |
| CN200944078Y (en) * | 2006-05-31 | 2007-09-05 | 长沙航空工业中南传动机械厂 | Gear loading contact detector |
| CN101900640A (en) * | 2010-07-23 | 2010-12-01 | 北京工业大学 | Fault simulation combined test table of machine drive system |
| CN102004030A (en) * | 2010-11-05 | 2011-04-06 | 重庆康明斯发动机有限公司 | Vibration measuring test bed for vibration absorber |
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| Publication number | Publication date |
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| CN102564746A (en) | 2012-07-11 |
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