CN106645430B - Flaw detection trolley position finding and detection method and device - Google Patents
Flaw detection trolley position finding and detection method and device Download PDFInfo
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- CN106645430B CN106645430B CN201710032257.9A CN201710032257A CN106645430B CN 106645430 B CN106645430 B CN 106645430B CN 201710032257 A CN201710032257 A CN 201710032257A CN 106645430 B CN106645430 B CN 106645430B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/22—Details, e.g. general constructional or apparatus details
- G01N29/26—Arrangements for orientation or scanning by relative movement of the head and the sensor
- G01N29/265—Arrangements for orientation or scanning by relative movement of the head and the sensor by moving the sensor relative to a stationary material
Abstract
The disclosure is directed to a kind of flaw detection trolley position finding and detection method and devices, this method comprises: calculating the flaw detection trolley by the movement duration between first position-limit mechanism and the second position-limit mechanism, and determine the duration section comprising the movement duration；After the flaw detection trolley setting in motion, when described first stops generating trigger signal close to switch, starts timing, obtain timing duration；In the flaw detection trolley motion process, when any one of photoelectric door detector exports count signal, stored count obtains count value；When the timing duration is located in the duration section, described second exports trigger signal close to switch and the count value is equal to the quantity of all probes, determine the flaw detection trolley without positioning failure.When the non-accurate motion of flaw detection trolley is to operating position, which can be generated fault-signal, and therefore, which can quick and precisely detect the positioning scenarios to flaw detection trolley.
Description
Technical field
This application involves technical field of electricity more particularly to a kind of flaw detection trolley position finding and detection methods and device.
Background technique
In process of production, common internal flaw has folding, is mingled with, shrinkage cavity, bubble, layering and crackle etc. steel plate,
The property of defect is different, and the extent of injury is also different, at present the shell plate of national Specification, pressure vessel plate, the deck of boat, building
The steel plate of the specific uses such as structure needs to carry out ultrasonic examination, correctly to judge defective locations, size and property.
The existing ultrasonic test equipment detected a flaw to steel plate, usually in transmitting steel plate roller-way between two roll shafts
It is provided with the track parallel with roll shaft axis, flaw detection trolley setting is in orbit, and can be with orbital motion, in flaw detection trolley
On multiple probes are disposed in track extending direction.In order to protect to probe, only the spy of ultrasonic wave wave is being carried out
When hurting, flaw detection trolley is moved to below roller-way using driving motor, is detected a flaw using probe to the steel plate on roller-way, when not
When needing ultrasonic examination, in the outside that flaw detection trolley is moved out to roller-way using driving motor.In addition, in order to be carried out to probe
Protection, ultrasonic probe are mounted on flaw detection trolley by lifting device (such as cylinder), in a non-operative state, lifting device band
Dynamic probe horizontal is on flaw detection trolley, and when needing to detect a flaw, lifting device can push probe upright, so as to transmitting on roller-way
Steel plate detect a flaw.When carrying out ultrasonic examination, need on the one hand to be conducive to plus couplant between probe and steel plate
Ultrasonic wave enters in steel plate, on the other hand can also reduce the friction between probe and steel plate, current existing some ultrasounds
Wave inspection equipment is using water as couplant.
In practical applications, since the size for transmitting steel plate on roller-way is inconsistent, so being needed when carrying out ultrasonic examination
The quantity for using the probe on flaw detection trolley is not also identical, it is therefore desirable to control motor and be moved to below roller-way to control
Probe quantity, existing flaw detection trolley use encoder mainly to control the turnning circle of motor, and then to flaw detection trolley
Shift position is positioned, and when to steel plate inspection, the number for quantity of popping one's head in is moved to the length below roller-way by flaw detection trolley
It determines, so the working condition of encoder and probe is closely related.
But for use water is as the flaw detection trolley of couplant, due to the water meeting four in flaw detection, as couplant
Place splashes, in addition working environment when ultrasonic examination is severe, will lead to encoder job insecurity, flaw detection trolley positioning is inaccurate
Really, flaw detection trolley, which is stuck among roller-way, when often occurring needing to detect a flaw is failure to actuate and blocks roller-way, and probe is damaged or positions not
Standard leads to problems such as flaw detection trolley exit operating position, once going wrong, not only causes serious economic loss, but also repair
It is time-consuming and laborious, seriously affect production efficiency.
Summary of the invention
This application discloses a kind of flaw detection trolley position finding and detection method and devices, are positioned not with solving trolley in background technique
Accurate problem.
In order to solve the above technical problems, the application is disclosed directly below technical solution:
A kind of flaw detection trolley position finding and detection method, for being examined to the positioning scenarios for installing flaw detection trolley in orbit
It surveys, the track installation is below roller-way, and the extending direction of the track is parallel with the axis of roll shaft on the roller-way；Institute
It states and is provided with evenly spaced multiple probes on flaw detection trolley, the flaw detection trolley is transported on the track by driving motor
It goes, the first position-limit mechanism and the second position-limit mechanism is provided on the track, first switchs difference close to switch and second are close
It is arranged at the flaw detection trolley both ends；Described first generates triggering letter close to switch when contacting with first position-limit mechanism
Number, described second generates trigger signal when contacting with second position-limit mechanism close to switch；The flaw detection trolley is equipped with
The quantity of multiple photoelectric door detectors, the photoelectric door detector is identical as the quantity of multiple probes on the flaw detection trolley, and
The installation site of the photoelectric door detector and the installation site of the probe correspond；The entry position of the roller-way is arranged
There is baffle, the installation site of the baffle is corresponding with the installation site of multiple photoelectric door detectors, when the flaw detection is small
When vehicle is moved along the track, the baffle successively blocks each photoelectric door detector；
The flaw detection trolley initial position is in contact with described first close to switch；The described method includes:
Utilize the distance between first position-limit mechanism and second position-limit mechanism and turn of the driving motor
Speed calculates the flaw detection trolley by the movement duration between first position-limit mechanism and second position-limit mechanism, and really
Surely the duration section comprising the movement duration；
After the flaw detection trolley setting in motion, when described first stops generating trigger signal close to switch, start to count
When, obtain timing duration；
In the flaw detection trolley motion process, when any one of photoelectric door detector exports count signal, tire out
Meter counts, and obtains count value；
When the timing duration is located in the duration section, described second exports trigger signal and the meter close to switch
When numerical value is equal to the quantity of all probes, determine the flaw detection trolley without positioning failure.
Optionally, the method also includes:
When the timing duration is less than the minimum value in the duration section, the second close switch does not export trigger signal
And the count value be less than all probes quantity when, determine the flaw detection trolley positioning failure, and generate Fisrt fault signal.
Optionally, the method also includes:
When the timing duration be less than the duration section minimum value, it is described second close to switch output trigger signal and
When the count value is equal to the quantity of all probes, the flaw detection trolley positioning failure is determined, and generate the second fault-signal.
Optionally, the method also includes:
When the timing duration be greater than the duration section maximum value, it is described second close to switch output trigger signal and
When told count value is equal to the quantity of all probes, the flaw detection trolley positioning failure is determined, and generate third fault-signal.
Optionally, the method also includes:
When the timing duration is greater than the maximum value in the duration section, the second close switch does not export trigger signal
And the count value determines the flaw detection trolley positioning failure, and generate the 4th fault-signal when being less than the quantity of all probes.
Optionally, the method also includes:
When determining the flaw detection trolley without positioning failure or when there is positioning failure, brake signal is generated, and by the system
Dynamic signal is sent to the driving motor, so that the driving motor stops operating；
Alternatively,
When generating Fisrt fault signal, the second fault-signal or third fault-signal, by the Fisrt fault signal, described
Second fault-signal or the third fault-signal are sent to preset failure alarm, so that the alarm is alarmed.
A kind of flaw detection trolley locating and detecting device, for being examined to the positioning scenarios for installing flaw detection trolley in orbit
It surveys, the track installation is below roller-way, and the extending direction of the track is parallel with the axis of roll shaft on the roller-way；Institute
It states and is provided with evenly spaced multiple probes on flaw detection trolley, the flaw detection trolley is transported on the track by driving motor
It goes, the first position-limit mechanism and the second position-limit mechanism is provided on the track, first switchs difference close to switch and second are close
It is arranged at the flaw detection trolley both ends；Described first generates triggering letter close to switch when contacting with first position-limit mechanism
Number, described second generates trigger signal when contacting with second position-limit mechanism close to switch；The flaw detection trolley is equipped with
The quantity of multiple photoelectric door detectors, the photoelectric door detector is identical as the quantity of multiple probes on the flaw detection trolley, and
The installation site of the photoelectric door detector and the installation site of the probe correspond；The entry position of the roller-way is arranged
There is baffle, the installation site of the baffle is corresponding with the installation site of multiple photoelectric door detectors, when the flaw detection is small
When vehicle is moved along the track, the baffle successively blocks each photoelectric door detector；Include:
Section setting unit, for using the distance between first position-limit mechanism and second position-limit mechanism and
The revolving speed of the driving motor calculates the flaw detection trolley by between first position-limit mechanism and second position-limit mechanism
Duration is moved, and determines the duration section comprising the movement duration；
Timing unit is used for after the flaw detection trolley setting in motion, is triggered when the described first close switch stops generating
When signal, starts timing, obtain timing duration；
Counting unit is used in the flaw detection trolley motion process, when any one of photoelectric door detector exports
When count signal, stored count obtains count value；
First determination unit, for when the timing duration is located in the duration section in, described second to approach switch defeated
When trigger signal and the count value are equal to the quantity of all probes out, determine the flaw detection trolley without positioning failure.
Optionally, described device further include:
Second determination unit, for being approached when the timing duration less than the minimum value in the duration section, described second
When switch does not export trigger signal and the count value and is less than the quantity of all probes, the flaw detection trolley positioning failure is determined；
Fisrt fault signal generation unit generates for when second determination unit determines the flaw detection trolley positioning failure
One fault-signal；
Or；
Third determination unit, for being approached when the timing duration less than the minimum value in the duration section, described second
Switch output trigger signal and the count value be equal to all probes quantity when, determine the flaw detection trolley positioning failure；The
Two fault-signal generation units, for generating second when the third determination unit determines the flaw detection trolley positioning failure
Fault-signal；
Or；
4th determination unit, for being approached when the timing duration greater than the maximum value in the duration section, described second
Switch output trigger signal and the count value be equal to all probes quantity when, determine the flaw detection trolley positioning failure；The
Three fault-signal generation units, for generating third when the 4th determination unit determines the flaw detection trolley positioning failure
Fault-signal；
Alternatively,
5th determination unit, for being approached when the timing duration greater than the maximum value in the duration section, described second
When switch does not export trigger signal and the count value and is less than the quantity of all probes, the flaw detection trolley positioning failure is determined,
4th fault-signal generation unit generates for when the 5th determination unit determines the flaw detection trolley positioning failure
Four fault-signals.
Optionally, described device further include:
Brake signal generation unit, for when determine the flaw detection trolley without positioning failure or when there is positioning failure, it is raw
At brake signal；Brake signal transmission unit, for the brake signal to be sent to the driving motor, so that the driving
Motor stops movement.
Optionally, described device further include:
Alarm signal transmission unit generates Fisrt fault signal, the second fault-signal or third fault-signal for working as, will
The Fisrt fault signal, second fault-signal or the third fault-signal are sent to preset failure alarm, so that
The alarm is alarmed.
The technical scheme provided by this disclosed embodiment can include the following benefits:
This method provided by the embodiments of the present application, when flaw detection trolley orbits according to the running parameter of setting,
Can to flaw detection trolley, whether the positioning scenarios of accurate motion to operating position are detected, when flaw detection trolley is according to the work of setting
Make parameter can not accurate motion to operating position when, which will be determined as flaw detection trolley, and there are failures, and generate
Fault-signal, therefore, the detection device can quick and precisely detect the positioning scenarios to flaw detection trolley.
This method due to can by three conditions to flaw detection trolley whether accurate motion to operating position positioning scenarios
It is detected, when flaw detection trolley accurately can move to operating position according to the running parameter of setting, the detection and localization side
Method just determines that flaw detection trolley accurate positioning is errorless, otherwise, it is abnormal to determine that flaw detection trolley has a positioning, need to flaw detection trolley into
Row debugging.
It should be understood that above general description and following detailed description be only it is exemplary and explanatory, not
The disclosure can be limited.
Detailed description of the invention
The drawings herein are incorporated into the specification and forms part of this specification, and shows the implementation for meeting the application
Example, and together with specification it is used to explain the principle of the application.
Technical solution in ord to more clearly illustrate embodiments of the present application or in background technique, below will be to embodiment or back
Attached drawing needed in scape technical description is briefly described, it should be apparent that, for those of ordinary skill in the art
Speech, without any creative labor, is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of schematic diagram of a scenario provided by the embodiments of the present application；
Fig. 2 is another schematic diagram of a scenario provided by the embodiments of the present application；
Fig. 3 is a kind of structural schematic diagram of flaw detection trolley provided by the embodiments of the present application；
Fig. 4 is the component connection schematic diagram of flaw detection trolley detection device provided by the embodiments of the present application；
Fig. 5 is the flow diagram of the flaw detection trolley position finding and detection method provided by the embodiments of the present application；
Fig. 6 is a kind of schematic diagram of a scenario provided by the embodiments of the present application；
Fig. 7 is another schematic diagram of a scenario provided by the embodiments of the present application；
Fig. 8 is another schematic diagram of a scenario provided by the embodiments of the present application；
Fig. 9 is the structural schematic diagram of the flaw detection trolley locating and detecting device provided by the embodiments of the present application.
Specific embodiment
In order to make those skilled in the art better understand the technical solutions in the application, below in conjunction with the application reality
The attached drawing in example is applied, the technical scheme in the embodiment of the application is clearly and completely described, it is clear that described implementation
Example is only a part of the embodiment of the application, instead of all the embodiments.Based on the embodiment in the application, this field is general
The application guarantor all should belong in logical technical staff every other embodiment obtained without making creative work
The range of shield.
Fig. 1 is the structural schematic diagram of roller-way provided by the embodiments of the present application.Fig. 2 is roller-way provided by the embodiments of the present application peace
Fill schematic cross-sectional view.
As depicted in figs. 1 and 2, roller-way includes multiple roll shafts 201, and the both ends of each roll shaft 201 are installed in roll shaft pedestal
On 203, it is provided with track 202 below the roller-way of roller-way, is being provided between adjacent every two roll shaft 201 in flaw detection region
The extending direction of one track 202, track 202 is parallel with the axis of roll shaft 201, flaw detection trolley 300 can along track 202 into
Row moves back and forth.
Fig. 3 is a kind of structural schematic diagram of flaw detection trolley provided by the embodiments of the present application.
As shown in figure 3, the flaw detection trolley 300 includes vehicle frame 301, driving motor 302 and multiple probes 303, driving motor
302 are mounted on vehicle frame 301, and driving motor 302 (is not shown in the figure by walking mechanism, can be gear, screw rod or drive
Driving wheel) vehicle frame 301 can be driven to move back and forth along 202 extending direction of track.
As shown in figure 3, multiple probes are 303 in one line along track extending direction on vehicle frame 301, adjacent probes 303 it
Between be provided with interval, and spacing distance is equal between adjacent probes 303.In the embodiment of the present application, in order to avoid probe exists
It is damaged (when i.e. without flaw detection) under off working state, so, each probe 303 is mounted on vehicle by crane 304
On frame 301, in this way, probe in the initial state, can by crane 304 withdraw pop one's head in so that probe lie in flaw detection it is small
Che Shang will be visited when flaw detection trolley 300 is moved to below roller-way, then through crane 304 when needing to detect a flaw to steel plate
First 303 vertical rises, to detect a flaw to the steel plate transmitted on roller-way.
Fig. 4 is the component connection schematic diagram of flaw detection trolley detection device provided by the embodiments of the present application.
With reference to above-mentioned Fig. 1-3, as shown in figure 4, the flaw detection trolley detection device provided by the embodiments of the present application includes: first
Switch 11, baffle 12, timer 13, counter 14, processor 15, the first position-limit mechanism 16, the are approached close to switch 10, second
Two position-limit mechanisms 17 and multiple photoelectric door detectors 18.
First is separately positioned on the both ends of the vehicle frame 301 of flaw detection trolley close to switch 10 and second close to switch 11, in addition,
The first position-limit mechanism 16 and the second position-limit mechanism 17, in the embodiment of the present application, position restrainer are respectively arranged at the both ends of track
Structure can be postive stop baffle or limited block etc., and the position of the first position-limit mechanism 16 is opposite close to the position of switch 10 with first
It answers, the second position-limit mechanism 17 is corresponding close to the position of switch 10 with second, in this way, limiting close to switch with first when first
Mechanism 16 generates trigger signal when contacting, second can also generate trigger signal when contacting with the second position-limit mechanism close to switch.
In the embodiment of the present application, first it is equivalent to travel switch close to switch close to switch and second, for distinguishing
Flaw detection trolley is limited to move on track 202.In the application other embodiments, it can also will be arranged close to switch in track
On, and position-limit mechanism is arranged on vehicle frame, as long as namely can detect flaw detection trolley moves in orbit two close to switch
Extreme position is held, mounting means should not constitute restriction.
As shown in figure 3, multiple photoelectric door detectors 18 are installed on the vehicle frame 301 of flaw detection trolley, photoelectric door detector
18 quantity is identical as the quantity of probes 303 multiple on flaw detection trolley, and the installation site of photoelectric door detector 18 and probe 303
Installation site correspond；That is, 303 sides of each probe are mounted on a photoelectric door detector 18.
As depicted in figs. 1 and 2, baffle 12 is mounted on the entry position of roller-way, the installation site of baffle 12 and multiple photoelectricity
The installation site of door detector 18 is corresponding, and when flaw detection trolley orbital motion, baffle 12 successively detects each photoelectric door
Device 18 is blocked.
In the embodiment of the present application, photoelectric door detector includes: optical transmitting set, optical receiver and signal generator, light hair
The transmitting beam alignment optical receiver of emitter；The input terminal of signal generator is connected with the output end of optical receiver, when light connects
It receives device and detects that light beam blocks, generate trigger signal and be sent to signal generator；The output end and counter of signal generator
Input terminal be connected, after signal generator receives trigger signal, generate count signal, and count signal is sent to described
Counter, so that the counter is counted according to the count signal.Pass through above-mentioned photoelectric door detector and baffle 12
Design can when a photoelectric door detector passes through baffle 12, to detect by photoelectric door when flaw detection trolley is moved
The trigger signal that device generates, it is known that the position that trolley is in orbit.
Optionally, in the embodiment of the present application, optical transmitting set and optical receiver are located in a straight line, and optical transmitting set and
Straight line where optical receiver and plane where track are perpendicular；It is provided with interval between optical transmitting set and optical receiver, and visits
When hurting moving of car, interval of the baffle in all photoelectric door detectors optical transmitting set and optical receiver.
The signal input part of timer 13 is connected with first close to switch, the signal output end of timer and processor
Input terminal is connected, and timer starts timing when first interrupts close to the trigger signal switched, obtains timing duration.Timer
13 for first close to switch trigger signal interrupt when, start timing, for flaw detection trolley orbit when
Between measure.
The signal input part of counter is connected with all photoelectric door detectors respectively, and counter is in any one photoelectric door
When detector exports trigger signal, is counted, obtain count value.
The input terminal of processor is connected with the output end of counter, timer respectively, processor according to timing duration with
And count value can grasp trolley running position in orbit.In the embodiment of the present application, processor can be PLC
(Programmable Logic Controller, programmable logic controller (PLC)).In some alternative embodiments, counter
Individual device can not also be used with timer, and is integrated in PLC.
Fig. 5 is the flow diagram of the flaw detection trolley position finding and detection method provided by the embodiments of the present application.
The initial position of flaw detection trolley is in contact with first close to switch, in the embodiment of the present application, as shown in figure 5, should
Method may comprise steps of.
S101 utilizes the distance between first position-limit mechanism and second position-limit mechanism and turn of the driving motor
Speed calculates the flaw detection trolley by the movement duration between first position-limit mechanism and the second position-limit mechanism, and determines packet
Duration section containing the movement duration.
When moving due to trolley, can not accomplish it is completely the same between actual location position and ideal position, so this
Apply for the error range that a permission can be set in embodiment.For moving duration t0, duration section can choose for
[t0-5s, t0+5s], i.e., to move the 5 seconds time ends in duration front and back as duration section.
S102, when described first stops generating trigger signal close to switch, is opened after the flaw detection trolley setting in motion
Beginning timing, obtains timing duration.
First close to switching when flaw detection trolley is in initial position, as shown in fig. 6, persistently generating trigger signal, but small
After vehicle is mobile, first close to induction module and the trigger module separation switched, and then the trigger signal of the first close switch is interrupted.
Such as by Fig. 6 to Fig. 7, flaw detection trolley starts to move right along track.
S103, in the flaw detection trolley motion process, when any one of photoelectric door detector exports count signal
When, stored count obtains count value.
As shown in fig. 7, since the position of baffle and the position of photoelectric door detector are corresponding, when each photoelectric door detector
By baffle position, photoelectric door detector can be formed and be blocked, so pass through the count detection of photoelectric door detector, it can
To judge which probe is moved to the position where baffle on current flaw detection trolley.
S104, when the timing duration is located in the duration section, described second close to switch output trigger signal and
When the count value is equal to the quantity of all probes, determine the flaw detection trolley without positioning failure.
In this step, if timing duration is equal to duration section namely the movement position of trolley is located at the error allowed
In range.Second close to switch output trigger signal, indicates that second is in contact close to switch with the second position-limit mechanism 17, second connects
Nearly switch is equivalent to travel switch, this on the other hand, extreme position has been arrived in the running position of trolley, such as Fig. 8 institute
Show.
Count value is equal to the quantity of all probes, indicates that all probes have been moved to roller-way lower section namely flaw detection trolley
Ideal flaw detection position is moved to.
Pass through three condition comprehensive descisions above, it can be deduced that flaw detection trolley is run under the running parameter of setting
Position is consistent with ideal position, and positioning scenarios are accurate, meets the requirements.So when these three conditions are all satisfied, it can be true
Determine the failure that flaw detection trolley does not position aspect.
This method provided by the embodiments of the present application, when flaw detection trolley orbits according to the running parameter of setting,
Can by three conditions, to flaw detection trolley, whether the positioning scenarios of accurate motion to operating position are detected, work as flaw detection trolley
When can accurately move to operating position according to the running parameter of setting, which just determines flaw detection trolley positioning
It is accurate, otherwise, determines that flaw detection trolley has positioning exception, need to debug flaw detection trolley.
In the application other embodiments, this method may also comprise the following steps:.
When the timing duration is less than the minimum value in the duration section, the second close switch does not export trigger signal
And the count value be less than all probes quantity when, determine the flaw detection trolley positioning failure, and generate Fisrt fault signal.
In this step, when timing duration is less than the minimum value in duration section, expression the second position-limit mechanism distance first limit
The actual range of position mechanism is greater than set distance when calculating duration section, so, it is small when trolley is run according to set distance
Second on vehicle can not touch the second position-limit mechanism close to switch, therefore, positioning mistake occur.Technical staff couple is needed at this time
First close to switch or the first position-limit mechanism, and, second is adjusted close to the position of switch or the second position-limit mechanism.
In the application other embodiments, this method may also comprise the following steps::
When the timing duration be less than the duration section minimum value, it is described second close to switch output trigger signal and
When the count value is equal to the quantity of all probes, the flaw detection trolley positioning failure is determined, and generate the second fault-signal.
In this embodiment, although timing duration is less than the minimum value in duration section, due to the second close switch output
Trigger signal, and quantity of popping one's head in is equal to the quantity of all probes, illustrates that trolley has moved to ideal flaw detection position, at this time table
Bright flaw detection trolley movement is too fast, reaches ideal flaw detection position in advance, therefore, positioning mistake occurs, needs technical staff couple at this time
The slewing rate of driving motor on flaw detection trolley is adjusted.
In the application other embodiments, this method may also comprise the following steps:.
When the timing duration be greater than the duration section maximum value, it is described second close to switch output trigger signal and
When count value is equal to the quantity of all probes, the flaw detection trolley positioning failure is determined, and generate third fault-signal.
In this embodiment, although second close to switch output trigger signal, and count value is equal to the number of all probes
Amount, but since timing duration is greater than the maximum value in duration section, so flaw detection trolley still positions mistake.In this case, out
Existing location of fault may be that the setting of the distance between the first position-limit mechanism and the second position-limit mechanism is wrong, and technical staff needs at this time
Switch or the first position-limit mechanism are approached to the first of flaw detection trolley, and, the position of the second close switch or the second position-limit mechanism
It sets and is adjusted.
In the application other embodiments, this method can also be included the next steps.
When the timing duration is greater than the maximum value in the duration section, the second close switch does not export trigger signal
And count value determines the flaw detection trolley positioning failure, and generate the 4th fault-signal when being less than the quantity of all probes.
In this embodiment, three conditions mentioned above, none condition meets, then illustrating flaw detection trolley at this time
Position complete mistake, it is therefore desirable to which technical staff is again adjusted parameter, is then tested again.
In the embodiment of the present application, this method may also comprise the following steps:.
When determining the flaw detection trolley without positioning failure or when there is positioning failure, brake signal is generated, and by the system
Dynamic signal is sent to the driving motor.
No matter that assignment test stops operating as a result, being required to control driving motor, so that flaw detection trolley stops
Movement, damages to avoid to driving motor.In addition, in practical application, to be on the safe side, can also be approached second
When switch output trigger signal, regardless of detection and localization result, driving motor will be controlled and shut down, this is because when the
Two, close to switch output trigger signal, indicate that flaw detection trolley has moved to extreme position, if driving motor still turns at this time
It is dynamic, then may occur leading to problems such as that driving motor damages or trolley de-orbits appearance.
In the embodiment of the present application, this method may also comprise the following steps:.
When generating Fisrt fault signal, the second fault-signal or third fault-signal, by the Fisrt fault signal, second
Fault-signal or third fault-signal are sent to preset failure alarm, so that the alarm is alarmed.
It is alarmed by alarm, can quickly allow technical staff to know and positioning failure occur, be examined so as to subsequent
It surveys and debugs.In addition, can also be distinguished when being alarmed for different fault-signals, so that technical staff can be with
Fault type is quickly distinguished, and then more targetedly carries out malfunction test.
On the basis of the embodiment of the method shown in earlier figures 5, the embodiment of the present application also provides a kind of positioning of flaw detection trolley
Detection device, as shown in figure 9, the flaw detection trolley locating and detecting device includes: section setting unit 01, timing unit 02, counts
Unit 03 and the first determination unit 04, wherein
Section setting unit 01, for utilizing the distance between first position-limit mechanism and second position-limit mechanism and institute
The revolving speed for stating driving motor, when calculating the flaw detection trolley by movement between first position-limit mechanism and the second position-limit mechanism
It is long, and determine the duration section comprising the movement duration；
Timing unit 02 is used for after the flaw detection trolley setting in motion, is touched when the described first close switch stops generating
When signalling, starts timing, obtain timing duration；
Counting unit 03 is used in the flaw detection trolley motion process, when any one of photoelectric door detector is defeated
Out when count signal, stored count obtains count value；
First determination unit 04 is located in the duration section, the second close switch for working as the timing duration
When exporting trigger signal and the count value and being equal to the quantity of all probes, determine the flaw detection trolley without positioning failure.
In the application other embodiments, which can also include:
Second determination unit, for being approached when the timing duration less than the minimum value in the duration section, described second
When switch does not export trigger signal and the count value and is less than the quantity of all probes, the flaw detection trolley positioning failure is determined；
Fisrt fault signal generation unit, for determining the flaw detection trolley positioning failure when second determination unit
When, generate Fisrt fault signal；
In the application other embodiments, which can also include:
Third determination unit, for being approached when the timing duration less than the minimum value in the duration section, described second
Switch output trigger signal and the count value be equal to all probes quantity when, determine the flaw detection trolley positioning failure；
Second fault-signal generation unit, for determining the flaw detection trolley positioning failure when the third determination unit
When, generate the second fault-signal.
In the application other embodiments, which can also include:
4th determination unit, for being approached when the timing duration greater than the maximum value in the duration section, described second
Switch output trigger signal and count value be equal to all probes quantity when, determine the flaw detection trolley positioning failure；Third event
Hinder signal generation unit, for generating third failure when the 4th determination unit determines the flaw detection trolley positioning failure
Signal.
In the application other embodiments, which can also include:
5th determination unit, for being approached when the timing duration greater than the maximum value in the duration section, described second
When switch does not export trigger signal and count value and is less than the quantity of all probes, the flaw detection trolley positioning failure is determined,
4th fault-signal generation unit, for determining the flaw detection trolley positioning failure when the 5th determination unit
When, generate the 4th fault-signal.
In the application other embodiments, which can also include:
Brake signal generation unit, for when determine the flaw detection trolley without positioning failure or when there is positioning failure, it is raw
At brake signal；
Brake signal transmission unit, for the brake signal to be sent to the driving motor, so that the driving is electric
Machine stops movement.
In the application other embodiments, which can also include:
Alarm signal transmission unit generates Fisrt fault signal, the second fault-signal or third fault-signal for working as, will
The Fisrt fault signal, the second fault-signal or third fault-signal are sent to preset failure alarm, so that the alarm
Device is alarmed.
It should be noted that, in this document, the relational terms of such as " first " and " second " or the like are used merely to one
A entity or operation with another entity or operate distinguish, without necessarily requiring or implying these entities or operation it
Between there are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant are intended to
Cover non-exclusive inclusion, so that the process, method, article or equipment for including a series of elements not only includes those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or setting
Standby intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in the process, method, article or apparatus that includes the element.
The above is only the specific embodiment of the application, is made skilled artisans appreciate that or realizing this Shen
Please.Various modifications to these embodiments will be apparent to one skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the application.Therefore, the application
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (10)
1. a kind of flaw detection trolley position finding and detection method, which is characterized in that for the positioning to flaw detection trolley in orbit is installed
Situation is detected, and the track installation is below roller-way, and the axis of the extending direction of the track and roll shaft on the roller-way
Line is parallel；Evenly spaced multiple probes are provided on the flaw detection trolley, the flaw detection trolley is by driving motor in institute
It states and is run on track, the first position-limit mechanism and the second position-limit mechanism are provided on the track, first connects close to switch and second
Nearly switch is separately positioned on the flaw detection trolley both ends；Described first close switch production when being contacted with first position-limit mechanism
Raw trigger signal, described second generates trigger signal when contacting with second position-limit mechanism close to switch；The flaw detection is small
Vehicle is equipped with multiple photoelectric door detectors, the quantity of multiple probes in the quantity of the photoelectric door detector and the flaw detection trolley
It is identical, and the installation site of the photoelectric door detector and the installation site of the probe correspond；The entrance of the roller-way
Position is provided with baffle, and the installation site of the baffle is corresponding with the installation site of multiple photoelectric door detectors, works as institute
When stating flaw detection trolley and moving along the track, the baffle successively blocks each photoelectric door detector；
The flaw detection trolley initial position is in contact with described first close to switch；The described method includes:
Utilize the distance between first position-limit mechanism and second position-limit mechanism and the revolving speed of the driving motor, meter
The flaw detection trolley is calculated by the movement duration between first position-limit mechanism and second position-limit mechanism, and determination includes
The duration section of the movement duration；
After the flaw detection trolley setting in motion, when described first stops generating trigger signal close to switch, starts timing, obtain
To timing duration；
In the flaw detection trolley motion process, when any one of photoelectric door detector exports count signal, add up meter
Number, obtains count value；
When the timing duration is located in the duration section, described second exports trigger signal and the count value close to switch
Equal to all probes quantity when, determine the flaw detection trolley without positioning failure.
2. the method according to claim 1, wherein the method also includes:
When the timing duration is less than the minimum value in the duration section, the second close switch does not export trigger signal and institute
When stating quantity of the count value less than all probes, the flaw detection trolley positioning failure is determined, and generate Fisrt fault signal.
3. the method according to claim 1, wherein the method also includes:
When the timing duration is less than the minimum value in the duration section, the second close switch exports trigger signal and described
When count value is equal to the quantity of all probes, the flaw detection trolley positioning failure is determined, and generate the second fault-signal.
4. the method according to claim 1, wherein the method also includes:
When the timing duration is greater than the maximum value in the duration section, the second close switch exports trigger signal and described
When count value is equal to the quantity of all probes, the flaw detection trolley positioning failure is determined, and generate third fault-signal.
5. the method according to claim 1, wherein the method also includes:
When the timing duration is greater than the maximum value in the duration section, the second close switch does not export trigger signal and institute
When stating quantity of the count value less than all probes, the flaw detection trolley positioning failure is determined, and generate the 4th fault-signal.
6. according to the described in any item methods of claim 2-4, which is characterized in that the method also includes:
When determining the flaw detection trolley without positioning failure or when there is positioning failure, brake signal is generated, and by braking letter
Number it is sent to the driving motor, so that the driving motor stops operating；
Alternatively,
When generating Fisrt fault signal, the second fault-signal or third fault-signal, by the Fisrt fault signal, described second
Fault-signal or the third fault-signal are sent to preset failure alarm, so that the alarm is alarmed.
7. a kind of flaw detection trolley locating and detecting device, which is characterized in that for the positioning to flaw detection trolley in orbit is installed
Situation is detected, and the track installation is below roller-way, and the axis of the extending direction of the track and roll shaft on the roller-way
Line is parallel；Evenly spaced multiple probes are provided on the flaw detection trolley, the flaw detection trolley is by driving motor in institute
It states and is run on track, the first position-limit mechanism and the second position-limit mechanism are provided on the track, first connects close to switch and second
Nearly switch is separately positioned on the flaw detection trolley both ends；Described first close switch production when being contacted with first position-limit mechanism
Raw trigger signal, described second generates trigger signal when contacting with second position-limit mechanism close to switch；The flaw detection is small
Vehicle is equipped with multiple photoelectric door detectors, the quantity of multiple probes in the quantity of the photoelectric door detector and the flaw detection trolley
It is identical, and the installation site of the photoelectric door detector and the installation site of the probe correspond；The entrance of the roller-way
Position is provided with baffle, and the installation site of the baffle is corresponding with the installation site of multiple photoelectric door detectors, works as institute
When stating flaw detection trolley and moving along the track, the baffle successively blocks each photoelectric door detector；Include:
Section setting unit, for utilizing the distance between first position-limit mechanism and second position-limit mechanism and described
The revolving speed of driving motor calculates the flaw detection trolley by the movement between first position-limit mechanism and second position-limit mechanism
Duration, and determine the duration section comprising the movement duration；
Timing unit is used for after the flaw detection trolley setting in motion, when the described first close switch stops generating trigger signal
When, start timing, obtains timing duration；
Counting unit, for being counted when any one of photoelectric door detector exports in the flaw detection trolley motion process
When signal, stored count obtains count value；
First determination unit, for being located in the duration section when the timing duration, described second exports touching close to switch
Signal and the count value be equal to all probes quantity when, determine the flaw detection trolley without positioning failure.
8. device according to claim 7, which is characterized in that described device further include:
Second determination unit, for when the timing duration is less than the minimum value in the duration section, the second close switch
When not exporting trigger signal and the count value and being less than the quantity of all probes, the flaw detection trolley positioning failure is determined；First
Fault-signal generation unit, for when second determination unit determines the flaw detection trolley positioning failure, generating the first event
Hinder signal；
Or；
Third determination unit, for when the timing duration is less than the minimum value in the duration section, the second close switch
When exporting trigger signal and the count value and being equal to the quantity of all probes, the flaw detection trolley positioning failure is determined；Second event
Hinder signal generation unit, for generating the second failure when the third determination unit determines the flaw detection trolley positioning failure
Signal；
Or；
4th determination unit, for when the timing duration is greater than the maximum value in the duration section, the second close switch
When exporting trigger signal and the count value and being equal to the quantity of all probes, the flaw detection trolley positioning failure is determined；Third event
Hinder signal generation unit, for generating third failure when the 4th determination unit determines the flaw detection trolley positioning failure
Signal；
Alternatively,
5th determination unit, for when the timing duration is greater than the maximum value in the duration section, the second close switch
When not exporting trigger signal and the count value and being less than the quantity of all probes, the flaw detection trolley positioning failure is determined；4th
Fault-signal generation unit, for when the 5th determination unit determines the flaw detection trolley positioning failure, generating the 4th event
Hinder signal.
9. device according to claim 7 or 8, which is characterized in that described device further include:
Brake signal generation unit, for when determining that the flaw detection trolley without positioning failure or when there is positioning failure, generates system
Dynamic signal；Brake signal transmission unit, for the brake signal to be sent to the driving motor, so that the driving motor
Stop movement.
10. device according to claim 8, which is characterized in that described device further include:
Alarm signal transmission unit generates Fisrt fault signal, the second fault-signal or third fault-signal for working as, will be described
Fisrt fault signal, second fault-signal or the third fault-signal are sent to preset failure alarm, so that described
Alarm is alarmed.
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| CN108919847A (en) * | 2018-07-10 | 2018-11-30 | 安徽新境界自动化技术有限公司 | Positioning control system and its control method based on common threephase asynchronous |
| CN111366358B (en) * | 2020-03-20 | 2021-11-19 | 首钢京唐钢铁联合有限责任公司 | Fault detection device and method for lifting screw |
| CN114199562B (en) * | 2021-12-14 | 2022-06-14 | 江苏省特种设备安全监督检验研究院 | Fault monitoring device and method for transmission mechanism of crane |
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