CN202204800U - In-situ ultrasonic imaging detection device for variable-diameter undetachable main spindle - Google Patents
In-situ ultrasonic imaging detection device for variable-diameter undetachable main spindle Download PDFInfo
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- CN202204800U CN202204800U CN2011202500598U CN201120250059U CN202204800U CN 202204800 U CN202204800 U CN 202204800U CN 2011202500598 U CN2011202500598 U CN 2011202500598U CN 201120250059 U CN201120250059 U CN 201120250059U CN 202204800 U CN202204800 U CN 202204800U
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- emitting diode
- light emitting
- receiving instrument
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Abstract
The utility model relates to an in-situ ultrasonic imaging detection device for a variable-diameter undetachable main spindle, which comprises an ultrasonic transmitting and receiving instrument, an ultrasonic probe, an ultrasonic signal acquisition card, a CCD (Charge Coupled Device) industrial camera and a computer; the transmitting and receiving end R/F of the ultrasonic transmitting and receiving instrument is connected with the excitation end STI of the ultrasonic probe; the radio frequency signal output end RF of the ultrasonic transmitting and receiving instrument is connected with an acquisition channel CH1 of the ultrasonic signal acquisition card; the synchronous signal end SYNC of the ultrasonic transmitting and receiving instrument is connected with the triggering end TR1 of the ultrasonic signal acquisition card; the data end USB (Universal Serial Bus) of the ultrasonic signal acquisition card is connected with a first USB interface of a computer; the data end USB of the CCD industrial camera is connected with a second USB interface of the computer; and the power port DC of a light-emitting diode of the ultrasonic probe is connected with a third USB interface USB3 of the computer. The device removes detaching work of the spindle, increases defect detection rate and reduces non-detection zone; and the device is simple in structure, convenient to operate, high in field adaptability and accurate in displayed defect position information.
Description
Technical field
The utility model relates to a kind of ultrasonic imaging pick-up unit, relates in particular to a kind of ultrasonic manual checking imaging detection device of original position that becomes the on-dismountable main shaft of diameter that is used to detect.
Background technology
Axle is the core component of mechanical facility; Most weight of facility have been carried; The quality of its quality and working condition directly affects the running of entire equipment and even citizen's personal safety; Because for a long time to produce the fatigability defective inevitable with the situation of wearing and tearing corrosion in work, therefore its quality carried out effectively, checked accurately and evaluate most important.
The most effectively detection method is to tear open earlier afterwards to examine at present, promptly disassembles axle from mechanical facility earlier, and then with a conventional axle type method that detects it is detected.Yet dismounting and reinstall all quite difficulty for large-scale mechanical facility needs to consume great amount of manpower and material resources, financial resources and time.If adopt the method for the small angle longitudinal wave surface feeding sputtering that someone now studies, near becoming diameter region, will produce very big detection blind area, have only when defective expands to a certain degree and could effectively detect.Existing imaging device generally adopts the mode of mechanical scanning, confirm the position of probe through scrambler, but when detecting the mechanical facility shaft-like workpiece, mechanical scanning equipment is difficult for installing.
Summary of the invention
The purpose of the utility model is: the deficiency that overcomes existing detection method; The ultrasonic imaging pick-up unit of the on-dismountable main shaft of a kind of mechanical facility is provided; Under the condition of not dismantling axle, utilize the crucial force part at the variable cross section place of ultrasonic probe axle to detect and realize the visual of defective.
The said ultrasonic imaging pick-up unit of the utility model comprises ultrasound emission receiving instrument, ultrasonic probe, ultrasonic signal capture card, CCD industrial camera and computing machine; The transmitter and receiver R/F of ultrasound emission receiving instrument links to each other with the excitation end STI of ultrasonic probe; The radiofrequency signal output terminal RF of ultrasound emission receiving instrument links to each other with the acquisition channel CH1 of ultrasonic acquisition card, and the synchronizing signal end SYNC of ultrasound emission receiving instrument links to each other with the trigger end TRIG of ultrasonic signal capture card; The data terminal USB of ultrasonic signal capture card links to each other with first USB interface of computing machine, and its effect is the signal input Computer Storage that collects; The data terminal USB of CCD industrial camera links to each other with second USB interface of computing machine, and its effect is the video image input computing machine that photographs; The power port DC of the light emitting diode of ultrasonic probe links to each other with the 3rd USB interface USB3 end of computing machine, for illuminating circuit provides power supply.
The said ultrasonic probe of the utility model is made up of longitudinal wave probe or angle probe and illuminating circuit, and illuminating circuit is made up of first resistance, second resistance, first light emitting diode, second light emitting diode; First resistance branch road and second resistance branch road of connecting with second light emitting diode of connecting with first light emitting diode is in parallel; First light emitting diode and second light emitting diode are installed in the top of probe, and the mid point that first light emitting diode and second is given out light diode is positioned on the axis at Probe index place.
The described ultrasonic probe of the utility model is that the refraction angle is the angle probe that 6 ° ~ 25 ° longitudinal wave probe or refraction angle is 40 ° ~ 70 °.
The utility model has been removed the dismantlement work of axle from, has improved the verification and measurement ratio of defective, has dwindled the detection blind area; Use the CCD locator meams, replace mechanical scanning, have following advantage and effect with manual checking:
1. from the surface feeding sputtering ultrasound wave of shaft-like workpiece, axle need not to disassemble on the slave unit, can realize on-the-spot in the labour detection, time saving and energy saving.
2. the method that adopts compressional wave low-angle incident and shear wave oblique incidence to combine has improved the verification and measurement ratio of defective, has reduced the blind area of detection simultaneously.
3. the light emitting diode that utilizes ccd video camera to discern two different colours is confirmed the incidence point and the incident direction of probe, and implementation is simple and practical.
4. replace mechanical scanning with manual checking, flexibly, convenient, adaptive faculty is strong, the electromagnetic noise of having avoided mechanical control to produce simultaneously, signal to noise ratio (S/N ratio) is high.
5, ability real time imagery, and can carry out the aftertreatment demonstration to the data of storage, put things right once and for all.
6, under the condition of not dismantling, utilize ultrasonic probe that the visual of defective detected and realized in the crucial force part of axle.
Description of drawings
Fig. 1 constitutes synoptic diagram for the utility model device.
Wherein: 1-ultrasound emission receiving instrument 5077PR, 2-ultrasonic probe PROBE, 3-ultrasonic signal capture card USB9822,4-CCD industrial camera HV1303UC, 5-computer PC.
Fig. 2 is the utility model structure of ultrasonic synoptic diagram.
Wherein: the incidence point of LED1-green LED, LED2-red light emitting diodes, 8-signal wire interface, 9-probe.
Fig. 3 is the circuit diagram of the utility model ultrasonic probe illuminating circuit.
Fig. 4 is the longitudinal section of the seized axle of the utility model.
Embodiment
Below in conjunction with accompanying drawing the utility model is elaborated.
As shown in Figure 1, the utility model device is made up of ultrasound emission receiving instrument 1 (5077PR), ultrasonic probe 2 (PROBE), ultrasonic signal capture card 3 (USB9822), CCD industrial camera 4 (HV1303UC), computing machine 5 (PC).
The transmitter and receiver R/F of ultrasound emission receiving instrument 1 links to each other with the excitation end STI of ultrasonic probe 2, and its effect is that incentive probe produces ultrasound wave and accepts the reflected signal from workpiece; The radiofrequency signal output terminal RF of ultrasound emission receiving instrument 1 links to each other with the acquisition channel CH1 of ultrasonic acquisition card 3, and its effect is to be analog signal conversion digital signal; The synchronizing signal end SYNC of ultrasound emission receiving instrument 1 links to each other with the trigger end TRIG of ultrasonic signal capture card 3, and its effect is a triggering collection card image data.The data terminal USB of ultrasonic signal capture card 3 links to each other with the first USB interface USB1 of computing machine 5, and its effect is signal input computing machine 5 storages that collect; The data terminal USB of CCD industrial camera 4 links to each other with the second USB interface USB2 of computing machine 5, and its effect is the video image input computing machine that photographs; The power port DC of the light emitting diode of ultrasonic probe 2 links to each other with the USB3 of computing machine 5 end, for light emitting diode provides power supply, makes lumination of light emitting diode.Ultrasonic probe 2 is made up of longitudinal wave probe or angle probe and illuminating circuit, and the circuit diagram of illuminating circuit is as shown in Figure 3, is made up of first resistance R 1, second resistance R 2, first LED 1, second LED 2.Resistance R 1 and first LED, 1 series arm and resistance R 2 and second LED, 2 series arms are in parallel, and first LED 1 and second LED 2 are selected green and redness respectively for use.
The course of work of the utility model is: reequip small angle longitudinal wave probe and angle probe according to Fig. 2; On the top of probe green first LED 1 and red second LED 2 is installed, the mid point of first LED 1 and second LED 2 is positioned on the axis at Probe index 9 places.Connect pick-up unit and regulate ccd video camera 4 by Fig. 1 and make the focus of video camera drop on probe 2 end faces of fixing two diodes.
As shown in Figure 4, when the length-diameter ratio L/D in variable cross section zone≤1.2, adopt angle probe to detect this zone of axle; Wherein L is the distance between axial end to be measured and the variable cross section, and D is the variable cross section diameter, regulates CCD industrial camera 4 and makes focus drop on probe 2 end faces of fixing two diodes; The manual checking axial end detects; This moment, ccd video camera 4 was noted the positional information and the incident direction information of probe 2 in real time, and ultrasonic acquisition card 3 is gathered the ultrasonic signal that receives simultaneously, and these information all deposit computing machine 5 in real time in; Computing machine 5 is according to the demonstration of drawing in real time of the physical dimension of the refraction angle of the incident direction information of the positional information of ultrasonic signal, probe, probe, probe and workpiece (axle to be measured) and the velocity of sound; If defectiveness, computing machine can indicate in the place that defective occurs, as is labeled as redness.When the variable cross section that also has length-diameter ratio L/D＞1.2 regional; Preserving that the longitudinal wave probe of being replaced by the utility model after the data detects should the zone; Regulating CCD industrial camera 4 makes focus drop on the plane, two light emitting diode places of probe 2; Manual checking detects, and this moment, ccd video camera 4 was noted the positional information and the incident direction information of probe 2 in real time, and ultrasonic acquisition card 3 is gathered the ultrasonic signal that receives simultaneously; These information all deposit computing machine 5 in real time in; Computing machine 5 is according to the demonstration of drawing in real time of the physical dimension of the refraction angle of the incident direction information of the positional information of ultrasonic signal, probe, probe, probe and workpiece and the velocity of sound, if defectiveness, computing machine can indicate redness in the place that defective occurs.Preserve data after detection finishes, can carry out aftertreatment to data afterwards and show.
Connect detection system by Fig. 1.As shown in Figure 4, length-diameter ratio L/D＞1.2 in variable cross section zone 10, utilizing the utility model longitudinal wave probe to detect should the zone; Regulating CCD industrial camera 4 makes focus drop on probe 2 end faces of fixing two diodes; The end face of manual checking axle, computing machine are found red zone to have occurred in zone 10 through the data processing demonstration of drawing in real time; Explain that this regional defectiveness exists, the preservation data are subsequent use.Continue to detect variable cross section zone 11; Like length-diameter ratio L/D≤1.2 in variable cross section zone 11, then be replaced by the utility model angle probe, regulate CCD industrial camera 4 and make focus drop on probe 2 end faces of fixing two diodes; The end face of manual checking axle; Computing machine is found red zone to have occurred in zone 11 through the data processing demonstration of drawing in real time, explains that this regional defectiveness exists.
Connect detection system by Fig. 1.As shown in Figure 4, length-diameter ratio L/D≤1.2 in variable cross section zone 10, length-diameter ratio L/D≤1.2 in while variable cross section zone 11 are so only adopt angle probe to detect these two zones.Regulating CCD industrial camera 4 makes focus drop on probe 2 end faces of fixing two diodes; The end face of manual checking axle; Computing machine is found red zone all to have occurred in zone 10 and zone 11 through the data processing demonstration of drawing in real time, and two regional defectiveness existence be describeds.
Connect detection system by Fig. 1.As shown in Figure 4, length-diameter ratio L/D＞1.2 in variable cross section zone 10, length-diameter ratio L/D＞1.2 in while variable cross section zone 11 are so only adopt the utility model longitudinal wave probe to detect these two zones.Regulating CCD industrial camera 4 makes focus drop on probe 2 end faces of fixing two diodes; The end face of manual checking axle; Computing machine is found red zone all to have occurred in zone 10 and zone 11 through the data processing demonstration of drawing in real time, and two regional defectiveness existence be describeds.
Claims (3)
1. one kind becomes the on-dismountable main shaft original position of diameter ultrasonic imaging pick-up unit, it is characterized in that: comprise ultrasound emission receiving instrument, ultrasonic probe, ultrasonic signal capture card, CCD industrial camera and computing machine;
The transmitter and receiver R/F of ultrasound emission receiving instrument links to each other with the excitation end STI of ultrasonic probe; The radiofrequency signal output terminal RF of ultrasound emission receiving instrument links to each other with the acquisition channel CH1 of ultrasonic acquisition card, and the synchronizing signal end SYNC of ultrasound emission receiving instrument links to each other with the trigger end TRIG of ultrasonic signal capture card;
The data terminal USB of ultrasonic signal capture card links to each other with first USB interface of computing machine, and its effect is the signal input Computer Storage that collects; The data terminal USB of CCD industrial camera links to each other with second USB interface of computing machine, and its effect is the video image input computing machine that photographs;
The power port DC of the light emitting diode of ultrasonic probe links to each other with the 3rd USB interface USB3 end of computing machine, for illuminating circuit provides power supply.
2. imaging detection device according to claim 1 is characterized in that: ultrasonic probe is made up of longitudinal wave probe or angle probe and illuminating circuit, and illuminating circuit is made up of first resistance, second resistance, first light emitting diode, second light emitting diode; First resistance branch road and second resistance branch road of connecting with second light emitting diode of connecting with first light emitting diode is in parallel; First light emitting diode and second light emitting diode are installed in the top of probe, and the mid point that first light emitting diode and second is given out light diode is positioned on the axis at Probe index place.
3. imaging detection device according to claim 1 and 2 is characterized in that: described ultrasonic probe is that the refraction angle is the angle probe that 6 ° ~ 25 ° longitudinal wave probe or refraction angle is 40 ° ~ 70 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202500598U CN202204800U (en) | 2011-07-15 | 2011-07-15 | In-situ ultrasonic imaging detection device for variable-diameter undetachable main spindle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202500598U CN202204800U (en) | 2011-07-15 | 2011-07-15 | In-situ ultrasonic imaging detection device for variable-diameter undetachable main spindle |
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| Publication Number | Publication Date |
|---|---|
| CN202204800U true CN202204800U (en) | 2012-04-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202500598U Expired - Fee Related CN202204800U (en) | 2011-07-15 | 2011-07-15 | In-situ ultrasonic imaging detection device for variable-diameter undetachable main spindle |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102331454A (en) * | 2011-07-15 | 2012-01-25 | 南昌航空大学 | In-situ ultrasonic imaging detection method and device for diameter-variable non-removable spindles |
| CN102662007A (en) * | 2012-05-23 | 2012-09-12 | 北京理工大学 | Phased array ultrasonic transducer sound field scanning method |
| CN108283011A (en) * | 2015-08-12 | 2018-07-13 | 洛斯阿拉莫斯国家安全股份有限公司 | The variation in metal structure is detected and is monitored using multimode acoustical signal |
| CN112154324A (en) * | 2018-04-27 | 2020-12-29 | 雪佛龙美国公司 | Using multimode acoustic signals to detect, monitor and determine the location of changes in metal structures |
-
2011
- 2011-07-15 CN CN2011202500598U patent/CN202204800U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102331454A (en) * | 2011-07-15 | 2012-01-25 | 南昌航空大学 | In-situ ultrasonic imaging detection method and device for diameter-variable non-removable spindles |
| CN102662007A (en) * | 2012-05-23 | 2012-09-12 | 北京理工大学 | Phased array ultrasonic transducer sound field scanning method |
| CN108283011A (en) * | 2015-08-12 | 2018-07-13 | 洛斯阿拉莫斯国家安全股份有限公司 | The variation in metal structure is detected and is monitored using multimode acoustical signal |
| CN112154324A (en) * | 2018-04-27 | 2020-12-29 | 雪佛龙美国公司 | Using multimode acoustic signals to detect, monitor and determine the location of changes in metal structures |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120425 Termination date: 20120715 |