CN104062353B - Bent axle automation vortex, the compound the cannot-harm-detection device of Magnetic Memory - Google Patents
Bent axle automation vortex, the compound the cannot-harm-detection device of Magnetic Memory Download PDFInfo
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- CN104062353B CN104062353B CN201410292551.XA CN201410292551A CN104062353B CN 104062353 B CN104062353 B CN 104062353B CN 201410292551 A CN201410292551 A CN 201410292551A CN 104062353 B CN104062353 B CN 104062353B
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Abstract
The present invention relates to bent axle automation vortex, the compound the cannot-harm-detection device of Magnetic Memory, the device is main to be made up of host computer, vortex magnetic memory detector and supporting detection sensor, bent axle rotation modified gear, industrial robot and the detection sensor clamp assembly on its 6th shaft flange；For the bent axle of labyrinth, it is fixed on bent axle rotation modified gear, it is set to carry out rotation displacement around main shaft, industrial robot clamps detection sensor by detection sensor clamp assembly simultaneously, and bent axle is detected, vortex Magnetic memory testing instrument is then acquired to detection sensor signal and saves as detection data, is then communicated to be processed in host computer.The device overcomes the limitation of single detection method using vortex, Magnetic Memory composite detection method, has preferable versatility to Multiple Type bent axle, and the defect characteristic data precision for have the advantages that fast detection speed, high working efficiency, extracting is higher.
Description
Technical field
The present invention relates to bent axle field of non destructive testing, more particularly to a kind of bent axle automation vortex, the compound nothing of Magnetic Memory
Damage detection means.
Background technology
Bent axle is the core component in engine, because it works under complex load operating mode for a long time, is easily justified in axle journal
Angle (including trunnion fillet and rod journal fillet) place produces stress concentration, or even germinates fatigue crack and cause crankshaft fatigue
Failure.Engine is widely applied as power part on the equipment such as automobile, naval vessel and engineering machinery, therefore, it is retired
Engine crankshaft possesses huge Rebuilding engineering value.Demand is remanufactured for decommissioning crankshaft, first it should be carried out lossless
Detection, carrying out decommissioning crankshaft further according to the testing result for obtaining can make the assessment of manufacturing and remanufacture setting for processing method
Meter.At present, remanufacture enterprise and typically take the detection methods such as conventional Ultrasound, magnetic when carrying out Non-Destructive Testing to decommissioning crankshaft, this
Being used for the qualitative discrimination of defects of crank more a little methods, being less able to realize making quantitative description to defect characteristic, so that can not
Supported for the assessment of decommissioning crankshaft remanufacturability provides strong data.And manual detection is depended on the above method next real more
Existing, detection efficiency is low, it is difficult to meet automation, the mass production demand in Rebuilding engineering application.
Found through the retrieval of prior art document, for the Non-Destructive Testing detection means of decommissioning crankshaft Rebuilding engineering demand
Aspect, mainly there is three below Chinese invention patent.The application number 200410067573.2 of patent 1, " automobile crane residue is tired for title
The detection means in labor life-span "；The application number 200910312535.1 of patent 2, title " remanent fatigue life of vehicle retired crankshaft and chi
The detection means of very little precision "；The application number 201210340273.1 of patent 3, " one kind remanufactures front crankshaft incipient fatigue damage to title
Aulomatizeted Detect assessment system ".Wherein, during the detection of patent 1 trunnion and connecting rod neck, it is necessary to made respectively by adjusting centring chuck
With chuck hub on the same line, operating process is cumbersome for the alignment of shafts and pitman shaft center.Patent 2 is by cranking block mechanism, solution
Eccentric throw adjustment problem when rod journal of having determined is detected, but it is both needed to reinstall spy when detecting each test position
Detection error is readily incorporated in fixture head, and the cranking block mechanism course of work.Probe bottom radius of the radian and pitman shaft in patent 3
Neck radius coincide, and width is wide equal with rod journal shelves, and can cause to pop one's head in is not particularly suited at trunnion and trunnion fillet
Detection, it is impossible to obtain complete crankshaft journal and axle journal fillet testing result, and the patent use only magnetic memory method and carry out
Non-Destructive Testing, can only obtain the testing result of crankshaft stress concentration status, and decommissioning crankshaft incipient fatigue damage is detected, difficult
To detect the macroscopical fatigue crack for having produced and the characteristic for obtaining its quantification.
The content of the invention
The technical problems to be solved by the invention are：A kind of bent axle automation vortex, the compound Non-Destructive Testing of Magnetic Memory are provided
Device, to solve the problem and shortage that existing Dynamic Non-Destruction Measurement exists when the bent axle of labyrinth is applied to, and for retired
The remanufacturability of bent axle is judged and provides reliable data support.
The present invention solves its technical problem and uses following technical scheme：
Bent axle automation vortex, the compound the cannot-harm-detection device of Magnetic Memory that the present invention is provided, it includes host computer, vortex magnetic
Memory detector, detection sensor, bent axle rotation modified gear, detection sensor clamp assembly and industrial robot, wherein：On
The controller and industrial robot controller that position machine rotates modified gear by connection with bent axle respectively are connected；Industrial robot
It is connected by I/O connections between controller and bent axle rotation modified gear controller；Vortex magnetic memory detector by netting twine with
Host computer is connected, and is connected by code device signal line between bent axle rotation modified gear；Detection sensor is arranged on detection and senses
On device chuck, it is supported the use with vortex magnetic memory detector, and they are connected by detection sensor holding wire；Industrial robot
Detection sensor clamp assembly is installed on end flange.
The industrial robot can be made up of industrial machine human body and industrial robot controller two parts, industrial machine
The bar open chain mechanism of tandem-in-space six that device human body is made up of six rotating shafts, six rotating shafts by AC servo machinery driving,
Up to the arbitrfary point in radius of clean-up space；Between industrial machine human body and industrial robot controller by power cable and
Control signal cable is connected.
The vortex magnetic memory detector can be using the position that can receive encoder output on bent axle rotation modified gear
Confidence number, to realize pinpoint vortex, the Magnetic Memory integrated detector to defects of crank characteristic signal.
The detection sensor can be passed using the putting type coil that disclosure satisfy that the special construction requirement of tractor crankshaft position
Sensor, the special construction refers at the axle journal or axle journal fillet of bent axle.
The bent axle rotation modified gear can be by bent axle rotation modified gear controller, base, servomotor, deceleration
Machine, encoder, roller, guide rail, handwheel, leading screw composition, wherein：Bent axle rotate between modified gear controller and servomotor by
Power line is connected with control line, and the output shaft of servomotor is connected and is installed along with reducer pedestal with reductor；Reductor
Output shaft be connected with tested bent axle by Hooks coupling universal coupling, while also synchronized cog belt is connected with encoder；Bent axle is placed in
On bent axle fixing support rack and crankshaft mobility support frame, roller on two support frames with crankshaft two end journal contact, two supports
Frame is installed on guide rail；Crankshaft mobility support frame lower end is equipped with leading screw, and leading screw left end connection handwheel, guide rail is horizontally installed to bottom
On seat.
The bent axle rotates modified gear controller, is mainly made up of PLC, locating module, servo-driver；The controller
Can be set by the ladder diagram instruction programming of PLC bent axle rotation modified gear including rotating speed, displacement parameter, positioning mould
Block exports forward and backward position command pulse to servo-driver, and the displacement and rotating speed to bent axle rotation modified gear are controlled.
The bent axle rotates modified gear, can provide driving force by servomotor, increases through reductor reduction of speed after turning round, and leads to
Crossing Hooks coupling universal coupling drives bent axle to make gyration centered on its main shaft；The encoder that rotarily drives of speed reducer output shaft revolves
Turn, by code device signal output to vortex magnetic memory detector, for it provides accurate test position signal；By turning for handwheel
It is dynamic, crankshaft mobility support frame can be made to be moved horizontally along guide rail rectilinear direction so that adjust and bent axle fixing support rack between away from
From, can meet different model crankshaft installed fixation requirement.
The detection sensor clamp assembly, can be by detection sensor chuck, connecting rod, spring, support bar, flange group
Into, wherein：Detection sensor chuck is used for fixed test sensor in detection process, detection sensor chuck and connecting rod it
Between be bolted connection；Connected and equipped with spring with pin between connecting rod and support bar, support bar passes through flange and work
The shaft flange of industry robot body the 6th is connected, and whole detection sensor clamp assembly is arranged on the 6th axle end of industrial robot
End；The active force of spring can provide certain coupling thrust for detection sensor, and be prevented from firm in detection process
Property collision and damage detection sensor；Detection sensor chuck and connecting rod are made of nonferromugnetic material, can be prevented effectively from
Ferrimagnet fixture produces interference to the detection signal of Magnetic Memory sensor.
The present invention has following beneficial effect compared with prior art：
1. the bent axle of design rotates modified gear, by adjusting between crankshaft mobility support frame and bent axle fixing support rack
Distance, can meet the rotation displacement demand of Multiple Type bent axle, with preferable versatility.
2. modified gear is rotated by manufacturing and designing bent axle, and it is combined with industrial robot carry out linkage control
System, realizes the automation Non-Destructive Testing to decommissioning crankshaft, the present situation for relying primarily on manual detection at present is changed, by work
Each axle position appearance adjustment of industry robot, automatically adjusts the direction of detection sensor, so as to be examined when meeting detection axle journal and axle journal fillet
Survey the different placement requirement of sensor.
3. the compound the cannot-harm-detection device of bent axle automation vortex, Magnetic Memory can be carried out using eddy current sensor to bent axle
Detection, obtains the quantification characteristic of macroscopical fatigue crack, and can obtain crankshaft stress by Magnetic Memory sensor again concentrates
The testing result of situation, overcomes the limitation of conventional single detection method.
4. the compound the cannot-harm-detection device of bent axle automation vortex, Magnetic Memory can effectively exclude manual detection random error
Interference to detection signal, obtains vortex, the Magnetic Memory quantification detection data of defect, is the assessment of decommissioning crankshaft remanufacturability
Data support is provided with processing method design is remanufactured.
Brief description of the drawings
Fig. 1 is bent axle automation vortex of the present invention, the compound the cannot-harm-detection device system schematic of Magnetic Memory.
Fig. 2 is bent axle modified gear structural representation of the present invention.
Fig. 3 is detection sensor clamp assembly structural representation of the present invention.
Fig. 4 is present invention detection kinematics model analysis schematic diagram.
Fig. 5 is the EDDY CURRENT result at the second connecting rod neck fillet of certain decommissioning crankshaft acquired in the present invention.
Fig. 6 is the Magnetic memory testing result (magnetic field at the second connecting rod neck fillet of certain decommissioning crankshaft acquired in the present invention
Intensity curve).
Fig. 7 is the Magnetic memory testing result (magnetic field at the second connecting rod neck fillet of certain decommissioning crankshaft acquired in the present invention
Intensity gradient curve).
In figure：1. host computer；2. magnetic memory detector is vortexed；3. detection sensor holding wire；4. detection sensor；5. treat
Survey bent axle；6. bent axle rotates modified gear；7. industrial machine human body；8. industrial robot controller；9 detection sensor fixtures
Component；10. bent axle rotates modified gear controller；11. bases；12. reducer pedestals；13. servomotors；14. reductors；15.
Encoder；16. Hooks coupling universal couplings；17. bent axle fixing support racks；18. rollers；19. round guides；20. handwheels；21. leading screws；22.
Crankshaft mobility support frame；23. detection sensor chucks；24. connecting rods；25. springs；26. support bars；27. flanges；28. main shafts
Neck；29. rod journals.
Specific embodiment
For a better understanding of the present invention, with reference to specific embodiment and accompanying drawing in the present invention is furture elucidated
Hold, but present disclosure is not limited solely to the following examples.In the present embodiment, from a series hair of Ji bavin 190
The 12VB.02.01 bent axles of motivation carry out test experience.
Bent axle automation vortex, the compound the cannot-harm-detection device of Magnetic Memory that the present embodiment is supplied, as shown in Figure 1-Figure 3, the dress
Put main by host computer 1, vortex magnetic memory detector 2, detection sensor 4, bent axle rotation modified gear 6, industrial robot sheet
Body 7, industrial robot controller 8 and detection sensor clamp assembly 9 are constituted, wherein：Bent axle 5 is fixed on bent axle transition bit
In mechanism 6, detection sensor clamp assembly 9 is installed on the six shaft end flanges of industrial machine human body 7, detection sensor 4 is then
It is installed on detection sensor chuck 23.Detection of the host computer 1 by connection respectively with vortex magnetic memory detector 2 starts
Interface, the controller of bent axle rotation modified gear 6 and industrial robot controller 8 are connected.Vortex magnetic memory detector 2 passes through
Netting twine is connected with host computer 1, is connected by code device signal line between bent axle rotation modified gear 6.Detection sensor 4 and vortex
Magnetic memory detector 2 is supported the use, and they are connected by detection sensor holding wire 3.
The described control industrial robot of host computer 1 and bent axle rotate the startup of modified gear 6, and to vortex Magnetic Memory inspection
The detection data for surveying instrument acquisition is preserved and managed, and is called for follow-up analytical calculation.
The vortex magnetic memory detector 2 is to use general vortex, Magnetic Memory integrated detector (for example：Ai Desen
EEC-86C Intelligent EDDY Currents magnetic memory detector), the instrument cannot be only used for the detection of conventional plane and straight line type part, may be used also
For detecting crankshaft type part curvature cambered surface.The vortex magnetic memory detector receives encoder 15 on bent axle rotation modified gear 6
The position signalling of output, can realize being accurately positioned defect characteristic signal.
The detection sensor 4 uses putting type coil pickoff (for example：Ai Desen BPB2 types eddy current sensors and
EPEMS type Magnetic Memories sensor), with detection sensitivity higher, disclosure satisfy that tractor crankshaft position (axle journal and axle journal fillet
Place) special construction requirement.
The bent axle rotates modified gear 6, its structure as shown in Fig. 2 rotating modified gear controller by bent axle 5, bent axle
10th, base 11, reducer pedestal 12, servomotor 13, reductor 14, encoder 15, Hooks coupling universal coupling 16, bent axle fixing support rack
17th, roller 18, guide rail 19, handwheel 20, leading screw 21, crankshaft mobility support frame 22 are constituted.Wherein：Bent axle rotation modified gear control
It is connected by power line and control line between device 10 and servomotor 13.The output shaft of servomotor 12 is connected and pacifies with reductor 14
On reducer pedestal 12.The output shaft of reductor 14 is then connected by Hooks coupling universal coupling 16 with bent axle 5, while also synchronized tooth
Shape band etc. is attached with encoder 15.Bent axle 5 is placed on bent axle fixing support rack 17 and crankshaft mobility support frame 22, support frame
On roller 18 and the two ends journal contact of bent axle 5.Bent axle fixing support rack 17 and crankshaft mobility support frame 22 are installed in guide rail
On 19, the lower end of crankshaft mobility support frame 22 is equipped with leading screw 21, and leading screw left end connection handwheel 20, guide rail 19 is horizontally installed to base 1
On.
The bent axle rotates modified gear 6, and driving force is provided by servomotor 13, increases through the reduction of speed of reductor 14 after turning round,
Bent axle 5 is driven to make gyration centered on its main shaft by Hooks coupling universal coupling 16.Reductor 14 output shaft rotarily drives
Encoder 15 rotates, by code device signal output to vortex magnetic memory detector 2, for it provides accurate test position signal.
By the rotation of handwheel 20, crankshaft mobility support frame 22 can be made to be moved horizontally along guide rail rectilinear direction, so as to adjust solid with bent axle
Determine the distance between support frame 17, the requirement of different model crankshaft installed fixation can be met.
The bent axle rotation modified gear controller 10, is mainly made up of PLC, locating module, servo-driver etc..Pass through
The ladder diagram instruction programming of PLC sets the parameter such as rotating speed, displacement of bent axle rotation modified gear 6, and locating module output is positive and negative
Command pulse to servo-driver is put in indexing, and the displacement and rotating speed to bent axle rotation modified gear carry out precise control.
The industrial robot is (for example：ABB2600 robots, ABB4400 robots, Ku Ka KR30-3 robots etc.) by
Industrial machine human body 7 and the two parts of industrial robot controller 8 are constituted.Industrial machine human body 7 is made up of six rotating shafts
The bar open chain mechanism of tandem-in-space six, six rotating shafts by AC servo machinery driving, up to any in radius of clean-up space
Point.It is connected by power cable and control signal cable between industrial machine human body 7 and industrial robot controller 8.Institute
State and can carry out I/O communications between industrial robot controller 8 and bent axle rotation modified gear controller 10.
The detection sensor clamp assembly 9, structure are as shown in figure 3, by detection sensor chuck 23, connecting rod 24, bullet
Spring 25, support bar 26, flange 27 are constituted, wherein：Detection sensor chuck 23 is used for fixed test sensor in detection process
4, it is bolted connection between detection sensor chuck 23 and connecting rod 24.Pin is used between connecting rod 24 and support bar 26
Connect and equipped with spring 25, support bar 26 is connected by flange with the shaft flange of industrial machine human body 7 the 6th, whole detection sensing
Device clamp assembly 9 is arranged on the 6th shaft end of industrial robot.The active force of spring 25 can be provided for Eddy Current Testing Transducer
Certain coupling thrust, and the rigid collision that is prevented from detection process and damage detection sensor 4.Detection sensor
Chuck 23 and connecting rod 24 are made of nonferromugnetic material, can be prevented effectively from ferrimagnet fixture to Magnetic Memory sensor
Detection signal produces interference.Different detection modes (EDDY CURRENT and Magnetic memory testing) needs to change detection sensor chuck 23
On detection sensor 4.
According to the geometric properties of bent axle 5, if main shaft radius is R, pitman shaft radius is r, and connecting rod axle center is relative to main core
Eccentric throw be e.When detecting the fillet of its trunnion 28 and trunnion 28, with main shaft as the centre of gyration, angular speed is bent axle 5
ω1Rotated, detection is completed by the remains stationary of detection sensor 4, bent axle 5 can be made to rotate a circle.Detection rod journal 29
During with the fillet of rod journal 29, as shown in figure 4, detection sensor 4 and rod journal 29 can be analyzed from geometry motion relation
The characteristics of motion.Spindle axis with bent axle 5 set up rectangular coordinate system Oxy as the origin of coordinates.If sensor is relative to pitman shaft
Initial detecting point coordinates on neck 29 for M (- r, e), when bent axle turns over α angles, M points are moved at M', now, rod journal 29
Instant test point coordinate be N (esin α-r, ecos α), from N point coordinates expression formulas, its movement locus is to pinpoint P
(- r, 0) is the center of circle, and e is the circle of radius.Correspondingly, the initial position of detection sensor 4 is point M, keeps detection sensor 4 to move
(the i.e. circular motion angular velocity omega of detection sensor 4 synchronous with bent axle 52With the angular velocity of rotation ω of bent axle 51It is equal), work as crank rotation
During α angles, it is ensured that sensor moves to point N, then camber line on rod journal 29As detection sensor 4 and the detection connecting rod
Relative motion curve between axle journal 29, as α=2 π, i.e., bent axle rotates a circle, and detection sensor 4 just can be by rod journal 29
Upper tested position detection in a week is finished.
Above-mentioned bent axle automation vortex, the compound the cannot-harm-detection device of Magnetic Memory that the present invention is provided, its course of work are as follows：
A. when the trunnion of bent axle 5 is detected, each axle position appearance of industrial robot is adjusted, makes the front end of detection sensor 4 and master
The surface of axle journal 28 is vertical, industrial robot motion to corresponding test position, and after sensor to be detected 4 is in place, host computer 1 sends
Industrial robot controller 8 and bent axle rotation modified gear controller 10, control bent axle rotation modified gear 6 is instructed to start,
Bent axle rotation modified gear 6 starts to drive bent axle 5 to rotate, the industrial robot clamping remains stationary of detection sensor 4 during being somebody's turn to do,
At the same time, the detection signal of the vortex Real-time Collection detection sensor 4 of magnetic memory detector 2 and bent axle rotation modified gear 6
Code device signal (test position information), treat that bent axle rotates a circle, the position detection finish；
B. when 28 fillet of trunnion of bent axle 5 is detected, each axle position appearance of industrial robot is adjusted, makes the water of detection sensor 4
Put down deflection 45 ° (relative to) and its front end is vertical with the fillet of trunnion 28, industrial robot motion to corresponding trunnion 28
Fillet test position, follow-up work engineering is similar with step a；
C. when detect bent axle rod journal 29 when, adjust each axle position appearance of industrial robot, make the front end of detection sensor 4 with
The surface of rod journal 29 is vertical, industrial robot motion to corresponding test position, after sensor to be detected 4 is in place, host computer 1
Send instructions to industrial robot controller 8 and bent axle rotation modified gear controller 10, control industrial robot and bent axle rotation
Transition bit mechanism 6 starts simultaneously, and bent axle rotation modified gear 6 starts to drive bent axle 5 to rotate, while industrial robot is according to program
The motion path of middle planning ensures that detection sensor 4 moves in a circle, and circular motion angular speed and bent axle 5 angular velocity of rotation
Unanimously, so as to realize being synchronized with the movement for detection sensor 4 and rod journal 29.At the same time, it is vortexed magnetic memory detector 2
The detection signal and bent axle of Real-time Collection detection sensor 4 rotate the code device signal (test position information) of modified gear 6,
Treat that bent axle rotates a circle, position detection is finished；
D. when the rod journal neck fillet of bent axle 5 is detected, each axle position appearance of industrial robot is adjusted, makes detection sensor 4
45 ° of horizontal deflection and its front end is vertical with the fillet of rod journal 29, industrial robot motion to corresponding rod journal 29 is justified
Angle test position, follow-up work engineering is similar with step c.
E. after the completion of bent axle 5 being detected with vortex pen-type sensor, by the eddy current sensor on detection sensor chuck 23
Magnetic Memory sensor is replaced by, above step is repeated.Host computer is carried out to the detection data acquired in vortex magnetic memory detector
Preserve, manage and analytical calculation.
By taking the fillet of second connecting rod axle journal left side as an example, its specific EDDY CURRENT result is as shown in figure 5, be week at the fillet
To eddy current amplitude curve；Magnetic memory testing result is magnetic field intensity Hp (A/m) circumferential at the fillet as shown in Figure 6 and Figure 7
Curve and magnetic field intensity gradient dHp/dx ((A/m)/mm) curve.From EDDY CURRENT result in Fig. 5, with 240 ° near 190 °
Nearby there is obvious crest, indicate at the fillet there is fatigue crack between 190 ° -240 ° of circumference.Examined by Magnetic Memory in Fig. 6 and Fig. 7
Survey results, it can be seen that the position circumferentially has stress concentration between 152 ° -172 ° between 270 ° -277 °.With reference to traditional magnetic
Powder flaw detection finds that the testing result obtained by the present invention is consistent with magnetic powder inspection result, and to fatigue crack registration.
Claims (7)
1. compound the cannot-harm-detection device of a kind of bent axle automation vortex, Magnetic Memory, it is characterized in that the device include host computer (1),
Vortex magnetic memory detector (2), detection sensor (4), bent axle rotate modified gear (6), detection sensor clamp assembly (9) and
Industrial robot, wherein：Host computer (1) rotates the controller and industrial machine of modified gear (6) by connection with bent axle respectively
Device people controller (8) is connected；Industrial robot controller (8) and bent axle are led between rotating modified gear controller (10) by I/O
News line is connected；Vortex magnetic memory detector (2) is connected by netting twine with host computer (1), between bent axle rotation modified gear (6)
Connected by code device signal line；Detection sensor (4) on detection sensor chuck (23), itself and vortex Magnetic memory testing
Instrument (2) is supported the use, and they are connected by detection sensor holding wire (3)；Detection is installed on industrial robot end flange to pass
Sensor clamp assembly (9)；The industrial robot is by industrial machine human body (7) and industrial robot controller (8) two parts
Composition, the bar open chain mechanism of tandem-in-space six that industrial machine human body (7) is made up of six rotating shafts, six rotating shafts are by exchange
Servomotor drives, up to the arbitrfary point in radius of clean-up space；Industrial machine human body (7) and industrial robot controller
(8) it is connected with control signal cable by power cable between.
2. bent axle automation vortex according to claim 1, Magnetic Memory are combined the cannot-harm-detection device, it is characterized in that the whirlpool
Stream magnetic memory detector (2) use can receive the position signalling that bent axle rotates encoder (15) output on modified gear (6), with
Realize pinpoint vortex, the Magnetic Memory integrated detector to defects of crank characteristic signal.
3. bent axle automation vortex according to claim 1, Magnetic Memory are combined the cannot-harm-detection device, it is characterized in that the inspection
Sensor (4) is surveyed using the putting type coil pickoff that disclosure satisfy that the special construction requirement of tractor crankshaft position, the special knot
Structure refers at the axle journal or axle journal fillet of bent axle.
4. bent axle automation vortex according to claim 1, Magnetic Memory are combined the cannot-harm-detection device, it is characterized in that the song
Axle rotates modified gear (6) and rotates modified gear controller (10), base (11), servomotor (13), reductor by bent axle
(14), encoder (15), roller (18), guide rail (19), handwheel (20), leading screw (21) composition, wherein：Bent axle rotates modified gear
It is connected by power line and control line between controller (10) and servomotor (13), the output shaft and reductor of servomotor (13)
(14) connect and be installed along with reducer pedestal (12)；The output shaft of reductor (14) passes through Hooks coupling universal coupling (16) and is tested
Bent axle (5) is connected, while also synchronized cog belt is connected with encoder (15)；Bent axle (5) is placed in bent axle fixing support rack (17)
On crankshaft mobility support frame (22), roller (18) on two support frames with bent axle (5) two ends journal contact, two support frames are equal
On guide rail (19)；Crankshaft mobility support frame (22) lower end is equipped with leading screw (21), and leading screw (21) left end connects handwheel (20),
Guide rail (19) is horizontally installed on base (11).
5. bent axle automation vortex according to claim 1, Magnetic Memory are combined the cannot-harm-detection device, it is characterized in that the song
Axle rotates modified gear controller (10), is mainly made up of PLC, locating module, servo-driver；The bent axle rotates modified gear
Controller set by the ladder diagram instruction programming of PLC bent axle rotate modified gear (6) including rotating speed, displacement parameter, it is fixed
Position module exports forward and backward position command pulse to servo-driver, and the displacement and rotating speed to bent axle rotation modified gear (6) are entered
Row control.
6. bent axle automation vortex according to claim 1, Magnetic Memory are combined the cannot-harm-detection device, it is characterized in that the song
Axle rotates modified gear (6), and driving force is provided by servomotor (13), increases through reductor (14) reduction of speed after turning round, by universal
Shaft coupling (16) drives bent axle (5) to make gyration centered on its main shaft；Reductor (14) output shaft rotarily drives volume
Code device (15) rotation, by code device signal output to vortex magnetic memory detector (2), for it provides accurate detecting position confidence
Number；By the rotation of handwheel (20), crankshaft mobility support frame (22) can be made to be moved horizontally along guide rail rectilinear direction, thus adjust with
The distance between bent axle fixing support rack (17), can meet the requirement of different model crankshaft installed fixation.
7. bent axle automation vortex according to claim 1, Magnetic Memory are combined the cannot-harm-detection device, it is characterized in that the inspection
Clamp of sensor component (9) is surveyed, by detection sensor chuck (23), connecting rod (24), spring (25), support bar (26), flange
(27) constitute, wherein：Detection sensor chuck (23) is used for fixed test sensor (4), detection sensor in detection process
It is bolted connection between chuck (23) and connecting rod (24)；Connected with pin between connecting rod (24) and support bar (26)
And equipped with spring (25), support bar (26) is connected by flange with the shaft flange of industrial machine human body (7) the 6th, whole detection is passed
Sixth shaft end of the sensor clamp assembly (9) installed in industrial robot；The active force of spring (25) can be detection sensor (4)
Certain coupling thrust is provided, and the rigid collision that is prevented from detection process and damage detection sensor (4)；Detection
Sensor chuck (23) and connecting rod (24) are made of nonferromugnetic material, can be prevented effectively from ferrimagnet fixture and magnetic is remembered
The detection signal for recalling sensor produces interference.
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| CN201410292551.XA CN104062353B (en) | 2014-06-25 | 2014-06-25 | Bent axle automation vortex, the compound the cannot-harm-detection device of Magnetic Memory |
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| CN201410292551.XA CN104062353B (en) | 2014-06-25 | 2014-06-25 | Bent axle automation vortex, the compound the cannot-harm-detection device of Magnetic Memory |
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| CN106370336A (en) * | 2016-11-08 | 2017-02-01 | 桂林电子科技大学 | Diesel engine crankshaft residual stress detecting method |
| CN107655967B (en) * | 2017-10-27 | 2023-11-10 | 无锡万耐特自动化设备股份公司 | Electromagnetic eddy current flaw detection device for crankshaft |
| CN110346379B (en) * | 2019-08-22 | 2022-07-01 | 合肥工业大学 | Bearing defect flaw detection device and bearing defect flaw detection method |
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| CN104062353A (en) | 2014-09-24 |
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