CN2826392Y - Rotating machinery fault diagnosing and testing device - Google Patents

Rotating machinery fault diagnosing and testing device Download PDF

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Publication number
CN2826392Y
CN2826392Y CN 200520042790 CN200520042790U CN2826392Y CN 2826392 Y CN2826392 Y CN 2826392Y CN 200520042790 CN200520042790 CN 200520042790 CN 200520042790 U CN200520042790 U CN 200520042790U CN 2826392 Y CN2826392 Y CN 2826392Y
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CN
China
Prior art keywords
flywheel
frame
bearing seat
clamper
axle
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN 200520042790
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Chinese (zh)
Inventor
胡贵钱
徐建新
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Shanghai Jiaotong University
Original Assignee
Shanghai Jiaotong University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shanghai Jiaotong University filed Critical Shanghai Jiaotong University
Priority to CN 200520042790 priority Critical patent/CN2826392Y/en
Application granted granted Critical
Publication of CN2826392Y publication Critical patent/CN2826392Y/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model relates to a fault diagnosing and analyzing testing device for rotating machines, which is used for the technical field of mechanical engineering. The hardware of the entire device can all be arranged on a testing platform of the utility model, a servo motor is arranged on a first machine frame and the first machine frame is fixed on the testing platform. The left end of a second flywheel is matched with the servo motor, the right end is matched with a testing shaft, the left end of the testing shaft is matched with a first bearing seat and the right end is matched with a second bearing seat. The bearing seat is connected with the machine frame which is connected with the testing platform, the left end of the first flywheel is matched with a testing shaft and the right end is matched with a speed measuring motor. The speed measuring motor is fixedly connected with a second machine frame, a clamper is flat arranged on the testing platform, two displacement sensors are arranged on the flywheel and a third sensor is arranged on the flywheel or the X direction of the testing shaft. The utility model has broad application and solves the application problems of simple structure, small size, convenient operation, high safety, energy saving, low noise, strong practicability, etc., and the utility model saves cost.

Description

Rotary machinery fault diagnosis and test unit
Technical field
The utility model relates to a kind of test unit, specifically is a kind of rotary machinery fault diagnosis and test unit, is used for mechanical engineering technical field.
Background technology
The related content of the kinematics of machinery and dynamics is very extensive, is very necessary to its research and analysis that experimentizes.As carrying out, can know whether health transports to machine to the online detection of machine; It is to prolong the machine effective means in serviceable life with analyzing that engineering goods are carried out real-time fault diagnosis., testing software develop rapidly advanced day by day along with deep development, measuring technology level and the means of mechanical subject and measuring technology subject are necessary to offer this class education experiment fully.
Find through literature search prior art, Chinese patent application number: 94229911.6, patent name: rotary machinery fault diagnosis experiment table, but the structure of experiment table is different fully with content measurement, it is the experiment table of diagnosis gear distress, the structure of experiment table adopts gear drive, and it is made up of motor, fault gear, transmission gear, shaft coupling, balancing frame, generator, bearing seat, loader, fault bearing and one side two locks.This experiment table only is used for the teaching experimental base of mechanical design course, and range of application is narrow, complex structure, volume be big, use inconvenience, power consumption, noise is big, dangerous and during experiment number defective such as grow.
Summary of the invention
The utility model is at above shortcomings in the prior art, a kind of rotary machinery fault diagnosis and test unit are provided, make it reach applied range, can relate to the application of knowwhy in education experiment of subjects such as mechanical principle, Machine Design, measuring technology, solve problems of the prior art.
The utility model is achieved through the following technical solutions, and the utility model comprises: servomotor, first frame, first displacement transducer, clutch shaft bearing seat, first clamper, second clamper, second displacement transducer, second bearing seat, first flywheel, second frame, speed measuring motor, the 3rd frame, survey axle, the 4th frame, second flywheel, test platform, the 3rd clamper, triple motion sensor.Its annexation is: the hardware of whole device is installed on the test platform, and servomotor is loaded on first frame, and first frame is cemented in above the test platform with bolt; The left end of second flywheel cooperates with servomotor, and right-hand member cooperates with the survey axle.The left end of surveying axle cooperates with the clutch shaft bearing seat, right-hand member cooperates with second bearing seat.The clutch shaft bearing seat links with the 4th frame bolt.The 4th frame links with bolt and test platform again; Same second bearing seat links with the 3rd frame bolt, and the 3rd frame links with bolt and test platform again.The left end of first flywheel cooperates with the survey axle, and right-hand member cooperates with speed measuring motor; Speed measuring motor is cemented on second frame, and second frame is attached at above the test platform with bolt.First clamper lies in above the test platform, and first displacement transducer is arranged at above second flywheel; Identical therewith, second clamper lies in above the testing table, and second displacement transducer is arranged at above first flywheel; The 3rd clamper lies in above the test platform, and the triple motion sensor can be placed on first flywheel or second flywheel or survey on the directions X of axle.
The signal wire of three displacement transducers all is linked to secondary instrument.Secondary instrument links to each other with computer, display, forms a test macro.
Surveying axle is an elongate rod, and servomotor drags two flywheels and rotates with the survey axle.Axle is the elastic body that quality is arranged, it can produce vibration when rotated, use eddy current sensor to can be used for motion state and the kinetic parameter of dynamic non-cpntact measurement axle when various different rotating speeds, by sensor the mechanical quantity variation is converted into electric quantity change, stick into the line data collection by adopting again, electric signal input computer carries out data analysis, demonstration then.The triple motion sensor is placed the mid point of surveying axle, at this moment can measure this shift value and mode curve.And the triple motion sensor used with the pairing of first, second displacement transducer respectively, and place first, second flywheel place respectively, at this moment can measure the orbit of shaft center figure at two flywheel places.Two flywheels can be measured its frequency response function by surveying axle.Speed measuring motor can directly be tested the rotating speed of axle etc.
The utility model applied range, knowwhy at subjects such as mechanical principle, Machine Design, measuring technologies has applications well in education experiment, solved simple in structure, volume is little, easy to operate, safe in utilization, energy-conservation, noise is little, the difficult problem on practical etc. the application, and saved cost, every cost of manufacture is taken obviously reduction, and economic benefit can be good, cooperates with software, can finish the more design and the emulation of multisystem, this can greatly save teaching resource.
Description of drawings
Fig. 1 the utility model structural representation
Embodiment
As shown in Figure 1, the utility model comprises: servomotor 1, first frame 2, first displacement transducer 3, clutch shaft bearing seat 4, first clamper 5, second clamper 6, second displacement transducer 7, second bearing seat 8, flywheel 9, second frame 10, speed measuring motor 11, the 3rd frame 12, survey axle the 13, the 4th frame 14, flywheel 15, test platform 16, the 3rd clamper 17, triple motion sensor 18.Its annexation is: the hardware of whole test system is installed on the test platform 16, and servomotor 1 is loaded on first frame 2, and first frame, 2 usefulness bolts are cemented in above the test platform 16; The left end of second flywheel 15 cooperates with servomotor 1, and right-hand member cooperates with survey axle 13.The left end of surveying axle 13 cooperates with clutch shaft bearing seat 4, right-hand member cooperates with second bearing seat 8.Clutch shaft bearing seat 4 links with the 4th frame 14 bolts.The 4th frame 14 links with bolt and test platform 16 again; Same second bearing seat 8 links with the 3rd frame 12 bolts, and the 3rd frame 12 links with bolt and test platform 16 again.The left end of first flywheel 9 cooperates with survey axle 13, and right-hand member cooperates with speed measuring motor 11; Speed measuring motor 11 is cemented on second frame 10, and second frame, 10 usefulness bolts are attached at above the test platform 16.First clamper 5, second clamper 6, the 3rd clamper 17 lie in above the test platform 16, and first displacement transducer 3, second displacement transducer 7 be arranged at second flywheel 15 respectively, above first flywheel 9; Triple motion sensor 18 can be placed on first flywheel 9 or second flywheel 15 or survey on the directions X of axle 13.
The signal wire of first displacement transducer 3, second displacement transducer 7, triple motion sensor 18 all is linked to secondary instrument 19, and secondary instrument 19 links to each other with computer, display, forms a test macro.
Servomotor 1 drags first flywheel 9, second flywheel 15 rotates with surveying axle 13, and surveying axle 13 is an elongate rod.

Claims (3)

1, a kind of rotary machinery fault diagnosis and test unit, comprise: first frame (2), clutch shaft bearing seat (4), second bearing seat (8), second frame (10), the 3rd frame (12), the 4th frame (14), test platform (16), it is characterized in that, also comprise: servomotor (1), first displacement transducer (3), first clamper (5), second clamper (6), second displacement transducer (7), first flywheel (9), speed measuring motor (11), survey axle (13), second flywheel (15), the 3rd clamper (17), triple motion sensor (18), each member of whole device all is arranged on the test platform (16), servomotor (1) is located on first frame (2), and first frame (2) is cemented in above the test platform (16), the left end of second flywheel (15) cooperates with servomotor (1), right-hand member cooperates with survey axle (13), the left end of surveying axle (13) cooperates with clutch shaft bearing seat (4), right-hand member cooperates with second bearing seat (8), clutch shaft bearing seat (4), second bearing seat (8) is respectively with the 4th frame (14), the 3rd frame (12) bolt links, second frame (10), the 3rd frame (12), the 4th frame (14) links with bolt and test platform (16) respectively again, the left end of first flywheel (9) cooperates with survey axle (13), right-hand member cooperates with speed measuring motor (11), speed measuring motor (11) is cemented on second frame (10), first clamper (5), second clamper (6), the 3rd clamper (17) lies in above the test platform (16), first displacement transducer (3), second displacement transducer (7) is arranged at second flywheel (15) respectively, above first flywheel (9), triple motion sensor (18) is arranged on first flywheel (9) or second flywheel (15) or surveys on the directions X of axle (13).
2, rotary machinery fault diagnosis according to claim 1 and test unit, it is characterized in that, the signal wire of first displacement transducer (3), second displacement transducer (7), triple motion sensor (18) all is linked to secondary instrument (19), secondary instrument (19) links to each other with computer, display, forms a test macro.
3, rotary machinery fault diagnosis according to claim 1 and test unit is characterized in that, surveying axle (13) is an elongate rod, and servomotor (1) drags first flywheel (9), second flywheel (15) and surveys axle (13) and rotate.
CN 200520042790 2005-06-23 2005-06-23 Rotating machinery fault diagnosing and testing device Expired - Fee Related CN2826392Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 200520042790 CN2826392Y (en) 2005-06-23 2005-06-23 Rotating machinery fault diagnosing and testing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 200520042790 CN2826392Y (en) 2005-06-23 2005-06-23 Rotating machinery fault diagnosing and testing device

Publications (1)

Publication Number Publication Date
CN2826392Y true CN2826392Y (en) 2006-10-11

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN 200520042790 Expired - Fee Related CN2826392Y (en) 2005-06-23 2005-06-23 Rotating machinery fault diagnosing and testing device

Country Status (1)

Country Link
CN (1) CN2826392Y (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101666676B (en) * 2008-09-03 2011-06-15 中国船舶重工集团公司第七0四研究所 Compound alternating torque and torsional vibration loading test platform
CN101738311B (en) * 2009-12-11 2011-06-29 重庆大学 Dynamic detection device for rotating component
CN102967459A (en) * 2012-12-03 2013-03-13 中国计量学院 Simulated experiment system for fault of rotary machine
CN103267632A (en) * 2013-04-24 2013-08-28 广东石油化工学院 Combined device and method for diagnosing and testing combination faults for large petrochemical units

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101666676B (en) * 2008-09-03 2011-06-15 中国船舶重工集团公司第七0四研究所 Compound alternating torque and torsional vibration loading test platform
CN101738311B (en) * 2009-12-11 2011-06-29 重庆大学 Dynamic detection device for rotating component
CN102967459A (en) * 2012-12-03 2013-03-13 中国计量学院 Simulated experiment system for fault of rotary machine
CN102967459B (en) * 2012-12-03 2015-07-08 中国计量学院 Simulated experiment system for fault of rotary machine
CN103267632A (en) * 2013-04-24 2013-08-28 广东石油化工学院 Combined device and method for diagnosing and testing combination faults for large petrochemical units

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C14 Grant of patent or utility model
GR01 Patent grant
C19 Lapse of patent right due to non-payment of the annual fee
CF01 Termination of patent right due to non-payment of annual fee