CN103926316A - External locking device flaw detector - Google Patents
External locking device flaw detector Download PDFInfo
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- CN103926316A CN103926316A CN201410166676.8A CN201410166676A CN103926316A CN 103926316 A CN103926316 A CN 103926316A CN 201410166676 A CN201410166676 A CN 201410166676A CN 103926316 A CN103926316 A CN 103926316A
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- external locking
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- locking device
- acquisition card
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Abstract
The invention discloses an external locking device flaw detector which comprises a data acquisition device and a central processing unit, and is characterized in that the data acquisition device comprises an ultrasonic acquisition card and an ultrasonic sensor, wherein the ultrasonic acquisition card drives the ultrasonic sensor; the ultrasonic sensor detects state information of an external locking device and transmits the state information to the ultrasonic acquisition card; the ultrasonic acquisition card is used for performing signal amplification, performing analog/digital (A/D) conversion operation and transmitting the signal to the central processing unit. According to the flaw detector, online flaw detection can be performed, external locking is not removed, the field labor intensity is reduced, the equipment is simple and convenient in configuration and fewer in accessories, the requirements on rapidness, accuracy and high reliability are met, and the external locking device flaw detector has high system function extensibility, is convenient to carry and is particularly suitable for a work area of a basic workshop.
Description
Technical field
The present invention relates to a kind of external locking device for railway tie defectoscope.
Background technology
Along with the all-round construction of high-speed railway with open operation, track switch is the important component part of high-speed railway rail system, and switching device is important basic safety equipment especially, is directly connected to the safety of transportation by railroad.Yet the Non-Destructive Testing for conversion equipments such as track switch external locking devices both at home and abroad does not also have relevant standard and instrument.Non-Destructive Testing is comparatively extensive as application in a kind of advanced and mature online detection mode railway systems at home and abroad, particularly for different product, apply, by the research to its hurt mechanism, examination criteria and technical conditions have been formulated, develop special use, robotization testing equipment and process, greatly improved accuracy of detection and detection efficiency.And then these product flaw detections are studied and the accumulation of data is also design service, the structure optimization of guide product design is with minimizing hurt, and the Service safety assessment for product provides foundation simultaneously.But the Non-Destructive Testing of track switch external locking device does not worldwide also have examination criteria, general defectoscope detection means also cannot meet the requirements such as external locking part shape is complicated, detection position is not easy to operate, therefore there is no ripe special-purpose defectoscope.
Summary of the invention
The object of this invention is to provide a kind of external locking device defectoscope, this defectoscope can line flaw detection, do not disassemble external locking, reduce work on the spot intensity, configuration device is easy, annex is few, meets quick, accurate and the high requirement of reliability, has expanding of system function, easy to carry, be especially applicable to work area, basic unit workshop and use.
The present invention solves the scheme that its technical matters adopts: a kind of external locking defectoscope, comprise that data collector and CPU (central processing unit) form, described data collector comprises ultrasonic acquisition card and two ultrasonic sensors, by ultrasonic acquisition card, drive ultrasonic sensor, ultrasonic sensor detects the status information of external locking device, be transferred to ultrasonic acquisition card, the operation such as ultrasonic acquisition card carries out signal amplification, A/D analog to digital conversion is also transferred to CPU (central processing unit).
Described CPU (central processing unit) is a technical grade computing machine, comprise data interface module, digitized filtered and intelligent compensation module, couple state judge module, Intelligent Measurement point selection module, detected characteristics amount Lookup protocol module, defects assessment expert module, manually detection module, input information with module, the composition partly such as record and enquiry module, information display module, data memory module are automatically set.
Described data interface module imports the data of data collector transmission into computing machine; Detection data are carried out to filtering for described digitized filtered and intelligent compensation module and processing is amplified in compensation; Described couple state judge module, compares with the ultrasonic wave-coupled characteristic quantity having arranged detecting data, automatically carries out couple state judgement, is coupled after qualified and can proceeds to next step, reduces the test result of bringing due to manual operation level difference unreliable; Described Intelligent Measurement point selection module, compares with the check point ultrasound wave characteristic quantity having arranged detecting data, and intelligent selection is that the carrying out flaw detection point of having preserved detects; Described detected characteristics amount Lookup protocol module, according to each selected check point, selects the defects detecting technology of its preservation, and gate feature, the amount of gain parameter amount of ultrasonic acquisition card is set; Described defects assessment expert module, judges according to the defects detection gate alarm condition of ultrasonic acquisition card the workpiece, defect state of examining, thereby completes the qualification determination of workpiece sensing point; Described information display module is shown in the process prompting of flaw detection and various state, information, testing result on colour liquid crystal display device; Described input information with module is set, there is touch screen operation and the button operation function of having programmed, the button of wherein having programmed comprises 8 function keys, and one group of navigation key, directly controls the module push-botton operation of the software of detecting a flaw; Module is set and directly carries out the characteristic quantity setting of ultrasonic acquisition card; The outcome record that described automatic record and enquiry module are detected a flaw and operated, and can inquire by classification by disparity items; Described data memory module is stored information, picture, the result of flaw detection operation; Described manual detection module is for providing manual carrying out flaw detection function; Described capture card is controlled and data processing module function is realized by the external locking flaw detection software that is arranged on computing machine.
Compared with prior art, the invention has the beneficial effects as follows: 1) aim at external locking device for railway tie flaw detection development, for railway electrical workman provides a kind of Special maintenance tool, and according to the external locking vital part ultrasound examination characteristic quantity of research, designed smart flaw detection process, during flaw detection, do not need operator to carry out complex operations, do not need to identify complicated flaw detection waveform yet, only by defectoscope software prompt, by step operation, can complete detection.2) be especially applicable to basic unit workshop, work area use, the intellectualized operation guide with friendly interface, operator only needs to input the information such as track switch model, according to prompting, clean sensing point and place ultrasonic sensor, system automatic decision result preservation after flaw detection, employing sound, light etc. are pointed out and are reported to the police simultaneously, and operator does not need the complex figures such as ultrasound wave waveform to carry out identifying processing.3) utilize the finite space, choosing several emphasis flaw detection points detects, do not disassemble external locking, reduce work on the spot intensity, meet quick, accurate and the high requirement of reliability, the assigned address of equipment is detected a flaw and whole flaw detection points can be detected at the scene, closely connected, respectively surveys once with scolding from state.4) configuration device is easy, annex is few, has touch-screen and button operation function, and has expanding of system function, easy to carry.
Accompanying drawing explanation
Fig. 1 is external locking device defectoscope system theory of constitution figure of the present invention;
Fig. 2 is external locking device defectoscope execute-in-place schematic diagram of the present invention;
Fig. 3 is execute-in-place process flow diagram of the present invention;
Fig. 4 is Intelligent Measurement process flow diagram of the present invention;
Fig. 5 is the automatic overhaul flow chart of the present invention;
Fig. 6 is aid structural drawing of the present invention.
Embodiment
Below in conjunction with accompanying drawing, describe embodiments of the invention in detail.
The track switch external locking device defectoscope system theory of constitution that the present embodiment adopts as shown in Figure 1.Defectoscope is comprised of technical grade computing machine, ultrasonic acquisition card 2 and ultrasonic sensor 1, by be installed on software in computing machine realize data interface module 3, digitized filtered and intelligent compensation module 4, couple state judge module 7, Intelligent Measurement point selection module 8, detected characteristics amount Lookup protocol module 5, defects assessment expert module 9, manually detection module 6, input information with module 11 is set, automatically records and enquiry module 10, information display module 12, data memory module 13.
Ultrasonic sensor is normal probe and 60 ° of ultrasound wave angle probes, and different detection workpiece is selected to different ultrasonic sensor types.By ultrasonic acquisition card, drive ultrasonic sensor, the operation such as ultrasonic sensor detects the status information of external locking device, is transferred to ultrasonic acquisition card, and ultrasonic acquisition card carries out signal amplification, A/D analog to digital conversion is also transferred to computing machine.
Data interface module imports the data of data collector transmission into computing machine.
Digitized filtered and intelligent compensation module can by detecting, data be carried out filtering and processing is amplified in compensation.
Couple state judge module, can compare with the ultrasonic wave-coupled characteristic quantity having arranged detecting data, automatically carries out couple state judgement, is coupled after qualified and can proceeds to next step, reduces the test result of bringing due to manual operation level difference unreliable.
Intelligent Measurement point selection module, can compare with the check point ultrasound wave characteristic quantity having arranged detecting data, and intelligent selection is that the carrying out flaw detection point of having preserved detects.
Detected characteristics amount Lookup protocol module, can select the defects detecting technology of its preservation according to each selected check point, and the parameter amounts such as gate feature, amount of gain of ultrasonic acquisition card are set.
Defects assessment expert module, can judge the workpiece, defect state of examining according to the defects detection gate alarm condition of ultrasonic acquisition card, thereby completes the qualification determination of workpiece sensing point.
Information display module is shown in the process prompting of flaw detection and various state, information, testing result etc. on colour liquid crystal display device.
Input information with module is set, there is touch screen operation and the button operation function of having programmed, the button of wherein having programmed comprises 8 function keys, and one group of navigation key, can directly control the module push-botton operation of flaw detection software; Module is set and can directly carries out the characteristic quantity setting of ultrasonic acquisition card.
Automatically the outcome record that record and enquiry module can be detected a flaw and be operated, and can inquire by classification by disparity items.
Data memory module can be stored the information of flaw detection operation, picture, result etc.
Manually detection module can provide manual carrying out flaw detection function.
The functions of modules such as capture card control and data processing are realized by the external locking flaw detection software that is arranged on technical grade computing machine.
The built-in rechargable power supplies of external locking device defectoscope, without separately connecing power supply.
Rig-site utilization method of the present invention as shown in Figure 2 and Figure 3, defectoscope 14 is connected, is powered on ultrasonic sensor 1, after software startup, select detecting pattern and detect part type, assigned address clean surface even daubing coupling agent on external locking workpiece to be detected, place ultrasonic sensor and automatically carry out coupling check, being coupled after qualified and carrying out check point identification, computing machine Lookup protocol detected characteristics amount, and the judgement of detecting a flaw, after having detected a flaw, provide alarm storage data.Wherein, flaw detection software automatic gauging flow process is shown in Fig. 4, and flaw detection software Intelligent Measurement flow process is shown in Fig. 5.
The flaw detection aid structure of this example as shown in Figure 6.Ultrasonic sensor 1 is placed in probe sleeve 15 and can moves up and down, and probe sleeve inner bottom part is equipped with spring 16, is installed on base plate 17 after assembling, and convex mirror 18 is separately housed on base plate.Base plate is provided with handle 19, handle 19 length and setting angle capable of regulating.Probe sleeve is magnetic material manufacture.
The invention provides a kind of external locking defectoscope application process.The method, by analysis and research, for the complex assemblies with track switch external locking device, is chosen some crucial check points and is detected a flaw, and these check points are the check point that is prone to fatigue crack in service, and do not need all components all surfaces to detect a flaw.
As prioritization scheme, ultrasonic acquisition card of the present invention is binary channels internal loopback, USB transmission portable ultrasonic acquisition card.
As prioritization scheme, CPU (central processing unit) of the present invention is technical grade panel computer, and has touch screen operation and programmable key; And built-in rechargable power supplies, during execute-in-place without separately connecing power supply.
As prioritization scheme, the present invention is outside uses the special special-purpose cabinet of aluminium alloy, and adopts the outer stomacher dress of waterproof.
As prioritization scheme, cabinet of the present invention is provided with handle and adjustable support, conveniently moves and settle the adjustment of angle.
As prioritization scheme, in the present invention, be provided with aid and help operator to complete the detection of part bottom position.
As prioritization scheme, Special assisting tool of the present invention is equipped with convex mirror and helps operator to observe.
As prioritization scheme, spring is equipped with in the ultrasonic sensor of Special assisting tool of the present invention bottom, can when flaw detection, apply pretightning force.
As prioritization scheme, Special assisting tool of the present invention adopts magnetic material, can be adsorbed on surface of the work during flaw detection, improves flaw detection operational stability.
As prioritization scheme, defectoscope of the present invention has sound, light warning function, for operator provides multiple alarm.
As prioritization scheme, the adjustable angle of Special assisting tool handle of the present invention and ultrasonic sensor, handle length capable of regulating.
Principle of work of the present invention and process are:
According to Ultrasonic Nondestructive principle, when carrying out UT (Ultrasonic Testing), different detection positions for each workpiece, due to thickness, the states such as periphery feature are different, even if also have different ultrasonic echos under nondestructive state, as primary reflection or secondaries, utilize the position difference of these normal echoes can distinguish different detection positions by computing machine, can complete the identification of check point; Meanwhile, if there is inherent vice in this position, then the feature of the defective locations gate value that is set to report to the police, by computing machine identification gate state, can detect judgement.
Before check, in work area or workshop, open in advance defectoscope and input track switch figure number, part type, track switch station and the track switch information such as arrange number;
During check, first open software, the track switch information that selection pre-enters, then according to the position indicating of detecting a flaw in software schematic diagram, cleaning flaw detection surface, evenly daubing coupling agent.
Ultrasonic sensor is put into part assigned address compresses and uniform speed slow moves, system is carried out coupling effect inspection automatically.
After couple state is qualified, system is carried out check point and is automatically identified.
After check point is identified successfully, system is carried out automatic flaw detection;
Wait to detect a flaw complete, whether system automatic decision part is qualified, and saving result, then reenters coupling defect state, duplicate detection operation.
Claims (8)
1. an external locking device defectoscope, comprise that data collector and CPU (central processing unit) form, it is characterized in that: described data collector comprises ultrasonic acquisition card and ultrasonic sensor, described ultrasonic acquisition card drives ultrasonic sensor, described ultrasonic sensor detects the status information of external locking device, be transferred to ultrasonic acquisition card, ultrasonic acquisition card carries out signal amplification, and A/D analog to digital conversion operates and be transferred to CPU (central processing unit).
2. a kind of external locking device defectoscope according to claim 1, it is characterized in that: described CPU (central processing unit) is a technical grade computing machine, comprise data interface module, digitized filtered and intelligent compensation module, couple state judge module, Intelligent Measurement point selection module, detected characteristics amount Lookup protocol module, defects assessment expert module, manually detection module, input information and module is set, record and enquiry module, information display module, data memory module partly form automatically.
3. a kind of external locking device defectoscope according to claim 2, is characterized in that: described data interface module imports the data of data collector transmission into computing machine; Detection data are carried out to filtering for described digitized filtered and intelligent compensation module and processing is amplified in compensation; Described couple state judge module, compares with the ultrasonic wave-coupled characteristic quantity having arranged detecting data, automatically carries out couple state judgement, is coupled after qualified and can proceeds to next step, reduces the test result of bringing due to manual operation level difference unreliable; Described Intelligent Measurement point selection module, compares with the check point ultrasound wave characteristic quantity having arranged detecting data, and intelligent selection is that the carrying out flaw detection point of having preserved detects; Described detected characteristics amount Lookup protocol module, according to each selected check point, selects the defects detecting technology of its preservation, and gate feature, the amount of gain parameter amount of ultrasonic acquisition card is set; Described defects assessment expert module, judges according to the defects detection gate alarm condition of ultrasonic acquisition card the workpiece, defect state of examining, thereby completes the qualification determination of workpiece sensing point; Described information display module is shown in the process prompting of flaw detection and various state, information, testing result on colour liquid crystal display device; Described input information with module is set, there is touch screen operation and the button operation function of having programmed, the button of wherein having programmed comprises 8 function keys, and one group of navigation key, directly controls the module push-botton operation of the software of detecting a flaw; Module is set and directly carries out the characteristic quantity setting of ultrasonic acquisition card; The outcome record that described automatic record and enquiry module are detected a flaw and operated, and can inquire by classification by disparity items; Described data memory module is stored information, picture, the result of flaw detection operation; Described manual detection module is for providing manual carrying out flaw detection function; Described capture card is controlled and data processing module is realized by the external locking flaw detection software that is arranged on computing machine.
4. a kind of external locking device defectoscope according to claim 1, it is characterized in that: further comprising probe sleeve, described ultrasonic sensor is placed in described probe sleeve and can moves up and down, this probe sleeve inner bottom part is equipped with spring, after assembling, be installed on base plate, convex mirror is separately housed on base plate, base plate is provided with handle, handle length and setting angle capable of regulating, described probe sleeve is magnetic material.
5. a kind of external locking device defectoscope according to claim 1, it is characterized in that: further comprising Special assisting tool, and described Special assisting tool helps operator to complete the detection of part bottom position; This Special assisting tool is equipped with convex mirror and helps operator to observe; Spring is equipped with in the ultrasonic sensor bottom of this Special assisting tool, applies pretightning force when flaw detection; This Special assisting tool adopts magnetic material, is adsorbed on surface of the work during flaw detection, improves flaw detection operational stability; The angle of this Special assisting tool handle and ultrasonic sensor can be adjusted, and handle length can be adjusted.
6. a kind of external locking device defectoscope according to claim 1, is characterized in that: described ultrasonic sensor is normal probe and 60 ° of angle probes, and different detection workpiece is selected to different ultrasonic sensor types.
7. a kind of external locking device defectoscope according to claim 1, is characterized in that: described ultrasonic acquisition card is binary channels internal loopback, USB transmission portable ultrasonic acquisition card; Described CPU (central processing unit) is technical grade panel computer, has touch screen operation and programmable key, and built-in charge power supply, during execute-in-place without separately connecing power supply.
8. a kind of external locking device defectoscope according to claim 1, is characterized in that: described defectoscope is outside uses the special special-purpose cabinet of aluminium alloy, and adopts the outer stomacher dress of waterproof; This cabinet is provided with handle and adjusting pole, conveniently moves and settle the adjustment of angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410166676.8A CN103926316B (en) | 2014-04-23 | 2014-04-23 | A kind of external locking device crack detector |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410166676.8A CN103926316B (en) | 2014-04-23 | 2014-04-23 | A kind of external locking device crack detector |
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| Publication Number | Publication Date |
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| CN103926316A true CN103926316A (en) | 2014-07-16 |
| CN103926316B CN103926316B (en) | 2017-03-08 |
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| CN201410166676.8A Active CN103926316B (en) | 2014-04-23 | 2014-04-23 | A kind of external locking device crack detector |
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| CN109405724A (en) * | 2018-09-06 | 2019-03-01 | 安徽华元智控科技有限公司 | Forklift door frame opens grade size detecting method and device |
| CN113267572A (en) * | 2021-04-30 | 2021-08-17 | 中广核检测技术有限公司 | Hand-held type ultrasonic probe marks frock |
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| CN113267572A (en) * | 2021-04-30 | 2021-08-17 | 中广核检测技术有限公司 | Hand-held type ultrasonic probe marks frock |
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Effective date of registration: 20170221 Address after: 100073 Beijing, Fengtai District, South Fourth Ring Road West, No. 1, building 12, (Park) Patentee after: BEIJING NATIONAL RAILWAY RESEARCH & DESIGN INSTITUTE OF SIGNAL & COMMUNICATION GROUP LTD. Address before: 100166 Beijing West Fourth Ring Road, Fengtai District, No. 49 Patentee before: Beijing Zhongtietong Technology Development Center of Signal & Communication |
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Inventor after: Liu Zhenhua Inventor after: Huang Tianxin Inventor after: Sun Xiaoyong Inventor after: Xie Zhongli Inventor after: Wang Wenlong Inventor after: Bai Xibin Inventor after: Chen Haikang Inventor after: Dong Jing Inventor before: Liu Zhenhua Inventor before: Huang Tianxin Inventor before: Sun Xiaoyong Inventor before: Xie Zhongli Inventor before: Wang Wenlong Inventor before: Bai Xibin Inventor before: Dong Jing |