CN105699485A - Rotary type ultrasonic flaw detection device based on radio frequency/microwave technology - Google Patents
Rotary type ultrasonic flaw detection device based on radio frequency/microwave technology Download PDFInfo
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- CN105699485A CN105699485A CN201610045385.2A CN201610045385A CN105699485A CN 105699485 A CN105699485 A CN 105699485A CN 201610045385 A CN201610045385 A CN 201610045385A CN 105699485 A CN105699485 A CN 105699485A
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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
- G01N29/04—Analysing solids
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/02—Indexing codes associated with the analysed material
- G01N2291/023—Solids
- G01N2291/0234—Metals, e.g. steel
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Abstract
The invention provides a rotary type ultrasonic flaw detection device based on a radio frequency/microwave technology and belongs to the technical field of ultrasonic flaw detection of pipes and bars. The rotary type ultrasonic flaw detection device comprises a motor transmission unit, a rotor unit and a stator unit, wherein the rotor unit comprises a hollow shaft, a polygonal grille frame, an ultrasonic transmission/receiving module, a signal wireless transmission module arranged in a rotary head, an electric coupling copper ring, an ultrasonic probe frame and an ultrasonic probe; the stator unit comprises a bearing, a water jacket device, a guide sleeve, a three-pronging centering device, a carbon brush frame, a graphite carbon brush, a signal wireless transmission module arranged at the outer part of the rotary head and a base. The rotary type ultrasonic flaw detection device based on the radio frequency/microwave technology has the advantages that the radio frequency/microwave technology is adopted so that safe and reliable, and stable and efficient digital wireless transmission of an ultrasonic detection signal and a control signal is realized between the rotor unit and the stator unit of the ultrasonic rotary head. When the ultrasonic flaw detection speed of the pipes/the bars is improved, the attenuation-free distortion of the ultrasonic detection signal in a transmission process is guaranteed, the sensitivity of flaw detection is improved and the detection quality is improved.
Description
Technical field
The invention belongs to tubing, bar ultrasonic examination technical field, in particular, provide a kind of ultrasonic flaw detector with rotary based on RF/Microwave technology, it is possible to the steel pipe of ultrasound examination fast and efficiently/rod iron。
Background technology
Along with the development of production technology, tubing/bar production enterprise is more and more higher to detection efficiency and the detection prescription of product。Traditional automatized ultrasound flaw detection mode mainly has steel pipe to be threadingly advanced, the water bowl formula method of detection popping one's head in motionless；Steel pipe original place rotates, and top flaw detection trolley moves axially the pouring bowl formula method of detection etc. of scanning along steel pipe, and traditional method of detection inspection speed is slow, and detection efficiency is not high。
In order to improve the detection efficiency of pipe wire rod automatized ultrasound flaw detection, in the market frequently with pipe wire rod straight ahead, ultrasonic probe rotates the method for detection doing circumference scanning around pipe wire rod original place, and ultrasonic flaw detector with rotary probe is also known as Ultasonic rotating。Coupled modes according to ultrasonic signal are different, and current Ultasonic rotating can be divided mainly into two classes, and a class is slip ring manifold type Ultasonic rotating, and another kind of is capacitance coupling type Ultasonic rotating。Although both Ultasonic rotating devices can improve ultrasonic inspection speed, but both of which also exists the shortcoming being difficult to overcome at present。There is high frequency frictional noise in slip ring manifold type Ultasonic rotating, ultrasound detection signal can cause very big interference, affect the signal to noise ratio of ultrasonic inspection when high speed rotating；The Capacitance Coupled sheet capacitive reactance of capacitance coupling type Ultasonic rotating is relatively big, decays very big, it is easy to cause distorted signals in the process that ultrasonic testing signals is transmitted in Capacitance Coupled sheet。Except disadvantages mentioned above, slip ring manifold type Ultasonic rotating and capacitance coupling type Ultasonic rotating device are limit due to signal coupled modes, cause that its number of channels is limited, detection function singleness, it is impossible to meet enterprise and pipe wire rod is carried out the multi-functional flaw detection requirements such as vertical wound, horizontal wound, layering/thickness measuring simultaneously。
Summary of the invention
It is an object of the invention to provide a kind of ultrasonic flaw detector with rotary based on RF/Microwave technology, detection speed is fast, highly sensitive, the undamped distortion of signal, can extend sense channel quantity in a large number simultaneously。Ultasonic rotating device provided by the invention, adopt RF/Microwave signal transmission technology, make ultrasound detection signal with the form of RF/Microwave, it is transferred to stator unit by rotor unit with digital radio transmission means, it is absent from the interference of such as slip ring CGCM medium-high frequency frictional noise, without causing signal attenuation distortion as capacitance coupling mode。And the ultrasonic flaw detector with rotary based on RF/Microwave technology of the present invention can extend flaw detection number of channels easily, increase flaw detection function。
Ultrasonic flaw detector with rotary based on RF/Microwave technology provided by the invention, including motor-driven unit, rotating unit (also referred to as rotor unit), fixed cell (also referred to as stator unit)。Described rotor unit includes the signal wireless transmission module 9 within hollow axle 1, polygon flower hurdle frame 2, ultrasonic emitting/receiver module 8, swivel head, electric coupling copper ring 7, Ultrasound Probe Device and ultrasound probe。Described stator unit includes bearing 12, water jacketing 10, guide pin bushing 11, three grab the signal wireless transmission module 18 outside centring means 13, carbon brush holder 16 and graphite carbon brush 17, swivel head, pedestal 15。
Described polygon flower hurdle frame 2 and described electric coupling copper ring 7 are respectively arranged the both sides being fixed on hollow axle 1。Polygon flower hurdle frame 2 is for installing and the signal wireless transmission module 18 within mounting ultrasonic transmit/receive module 8 and swivel head；Electric coupling copper ring 7 is used for coupling DC source, provides unidirectional current to the signal wireless transmission module 9 within ultrasound emission/receiver module 8 and swivel head。
Design according to defects detecting technology is arranged, and described probe holder 3 is evenly arranged along hollow axle 1 circumferential position and is fixed between polygon flower hurdle frame 2 and electric coupling copper ring 7, and ultrasound probe 4,5 and 6 is individually fixed on probe holder 3。
Described hollow axle 1 two ends are fixed in bearing 12, and described bearing 12, water jacketing 10, the signal wireless transmission module 18 outside centring means 13, carbon brush holder 16, swivel head grabbed by guide pin bushing 11, three and electric system 19 is fixed on pedestal 15。Water jacketing 10 is for injecting coupling water in hollow axle 1；Carbon brush holder 16 is used for fixing graphite carbon brush 17, and DC source, by contacting with electric coupling copper ring 7, is continued, stable supply rotor unit by graphite carbon brush；Centring means 13 grabbed by guide pin bushing 11 and three can play auxiliary guiding and fixation to detected pipe wire rod；Electric system 19 rotor driven unit rotational。
Ultrasonic flaw detector with rotary based on RF/Microwave technology provided by the invention, its operation principle is as follows:
Apparatus of the present invention encourage ultrasound probe to launch ultrasonic signal by the ultrasonic emitting/receiver module in rotor unit, and receive the echo detection signal returned by coupling water, tubing/Surface of Rod Bar and internal reflection。The echo detection signal that ultrasonic emitting/receiver module receives is transferred to the signal wireless transmission module within swivel head in the way of wired, the echo detection signal received is compressed by the signal wireless transmission module within swivel head, packing, digital modulation, after a series of signal such as High frequency amplification and encryption processes, form with RF/Microwave, by wireless launcher, signal is transferred out, the signal wireless transmission module that this signal can be placed on outside Ultasonic rotating receives, signal wireless transmission module outside swivel head is decrypted to the received signal, digital demodulation and signal reconstruction etc. process, by the echo detection signal that the RF/Microwave signals revivification received is original, and be transferred on host computer and store in the way of wired, display。The control command that signal wireless transmission module within the ultrasonic emitting/receiver module at rotor unit place and swivel head is sent by host computer, just the same with the wireless transmission method of echo detection signal, path, only transmit in opposite direction。The control command that host computer sends is launched with signal wireless transmission module outside swivel head of the shape of RF/Microwave, and the signal wireless transmission module within swivel head is received processing, then is transferred to each actuator of rotor unit in the way of wired。
Rotary type ultraphonic wave inspection package unit based on RF/Microwave technology provided by the invention, its work process is as follows:
Ultrasound detection coupling use water is entered in hollow axle detection water cavity by water jacketing。Motor-driven unit and hollow axle are equipped with belt pulley, motor obtain electric after, drive hollow axle original place to rotate by driving belt。Tested pipe wire rod is sent to the porch of Ultasonic rotating by transmission roller channel, under the auxiliary guide effect that centering grabbed by guide pin bushing and three, horizontal through the test chamber of hollow axle。Pipe wire rod in the test chamber of hollow axle in the process of straight ahead, is arranged on hollow axle ultrasound probe along with hollow axle is at original place high speed rotating, and the circumference along pipe wire rod carries out high speed scanning。The signal wireless transmission module inside and outside by being respectively placed in Ultasonic rotating, make echo detection signal and control command with the form of RF/Microwave, realize reliable and stable free communication between ultrasonic emitting/receiver module and the outside host computer at rotor unit place and connect。Ultrasonic inspection result can be real-time be shown on upper computer detection instrument, and carry out follow-up providing flaw detection report and result storage etc.。
Compared with prior art, the present invention adopts RF/Microwave signal transmission technology so that ultrasonic testing signals and control signal realize digital radio transmission safe and reliable, stability and high efficiency between the rotor unit and stator unit of ultrasonic rotating head。The present invention is while improving pipe wire rod ultrasonic examination speed, ensure ultrasound detection signal undamped distortion in transmitting procedure, improve the sensitivity of carrying out flaw detection, and the ultrasonic flaw detector with rotary based on RF/Microwave technology can extend flaw detection number of channels easily, increase flaw detection function, meet the inspection technique requirement of enterprise, improve detection quality。
Accompanying drawing explanation
Fig. 1 is the structural representation of rotor unit provided by the invention。Wherein, hollow axle 1, polygon are spent hurdle frame 2, probe holder 3, are indulged and hinder probe 4, layering wireless transport module 9 within Thicknesser probe 5, horizontal wound probe 6, electric coupling copper ring 7, ultrasonic emitting/receiver module 8, swivel head。
Fig. 2 is the arrangement schematic diagram on polygon flower hurdle frame 2 of the signal wireless transmission module 9 within ultrasonic emitting/receiver module 8 provided by the invention and swivel head。Wherein, polygon spends the wireless transport module 9 within hurdle frame 2, ultrasonic emitting/receiver module 8, swivel head。
Fig. 3 is the structural representation of probe holder 3 arrangement mode provided by the invention。
Fig. 4 is the front schematic view that rotor unit provided by the invention is cast aside along axis。Wherein, water jacketing 10, guide pin bushing 11, bearing 12, three grab centring means 13 and tested pipe wire rod 14。
Fig. 5 provided by the invention three grabs centring means 13 schematic diagram。
Fig. 6 is the pedestal top view of stator unit provided by the invention。Wherein, pedestal 15, carbon brush holder 16, graphite carbon brush 17, the signal wireless transmission module 18 outside swivel head, electric system 19。
Fig. 7 is the ultrasonic flaw detector with rotary operation principle block diagram based on RF/Microwave technology provided by the invention。
Detailed description of the invention
Technical staff in order to be engaged in inspection field can be better understood from the ultrasonic flaw detector with rotary based on RF/Microwave technology provided by the present invention, carries out more completely below in conjunction with specific embodiment of the present invention, clearly sets forth。Described embodiment is only a part of embodiment of the present invention; rather than whole embodiments; based on the embodiment in the present invention, other embodiments that those skilled in the art obtains under not making creative work premise, broadly fall into the protection domain of patent of the present invention。
As illustrated Fig. 1 and Fig. 2, the structure of rotor unit of the present invention specifically includes: the wireless transport module 9 within hollow axle 1, polygonal colored hurdle frame 2, probe holder 3, all kinds of ultrasound probe, electric coupling copper ring 7, ultrasonic emitting/receiver module 8, swivel head。Concrete, all kinds of ultrasound probes can include indulging hinders probe 4, layering Thicknesser probe 5 and horizontal wound probe 6。It should be noted that, above-mentioned Fig. 1 (front view of rotor unit), Fig. 2 (side view of rotor unit) only represent all parts position arrangement graph of a relation in rotor unit, can not represent the concrete structure of all parts and internal detailed configuration。
The internal diameter of described hollow axle 1 is determined by the external diameter size of tested pipe wire rod 14。Described polygonal colored hurdle frame 2 can be the square of regular shape, regular hexagon or octagon。Specifically chosen what kind of polygon flower hurdle, depending on the wireless transport module 9 within described ultrasonic emitting/receiver module 8 and described swivel head number。The quantity of the wireless transport module 9 within described ultrasonic emitting/receiver module 8 and described swivel head be decided by again ultrasound probe indulge hinder probe 4, layering Thicknesser probe 5 and horizontal wound probe 6 numbers number。
Described probe holder 3 is used for fixing ultrasound probe, and the probe holder structure of all kinds of ultrasound probes is not necessarily identical, its concrete structure visual ultrasonic probe shape and determine。Illustrating with reference to Fig. 3, the probe holder of same function can be evenly arranged on same cross section along the circumference of hollow axle 1, it is possible to arranges by other means depending on the requirement of defects detecting technology。Ultrasound probe is fixed in probe holder 3, the height of probe can be adjusted as required flexibly along the axis direction of probe self, can also centered by the axis of probe holder 3, adjust the eccentric angle of ultrasound probe flexibly, thus reaching to adjust the purpose of probe detection underwater sound journey or focus point incidence center。Vertical wound probe 4 shown in Fig. 1, layering Thicknesser probe 5 and horizontal wound probe 6, only represent the ultrasound probe type used in ultrasound examination in the present embodiment, can require, according to defects detecting technology, the ultrasound probe kind that increase and decrease is required flexibly in actual applications, and be not only limited to the type shown in the present embodiment。
Described electric coupling copper ring 7 contacts with the graphite carbon brush 17 shown in Fig. 3, in rotor unit rotation process, it is possible to for each several part continued power at rotor unit place。
Fig. 4, Fig. 5, Fig. 6 illustrate the simple layout viewing of stator unit each several part, specifically include: water jacketing 10, guide pin bushing 11, bearing 12, three grab the signal wireless transmission module 18 outside centring means 13, pedestal 15, carbon brush holder 16 and graphite carbon brush 17, swivel head, electric system 19。Described water jacketing 10, guide pin bushing 11, the signal wireless transmission module 18 outside centring means 13, carbon brush holder 16, swivel head grabbed by bearing 12, three, electric system 19 is all mounted on pedestal 15, described graphite carbon brush 17 is mounted on carbon brush holder 16, and carbon brush can freely stretch front and back in the axial direction。In the process that rotor unit rotates, the signal wireless transmission module 18 outside water jacketing 10 in stator unit, guide pin bushing 11, bearing 12, carbon brush holder 16, swivel head is fixed。It should be noted that the schematic diagram of simply arranging of all parts position in the only expression stator unit shown in above-mentioned Fig. 4, Fig. 5, Fig. 6, the concrete structure of all parts and internal detailed configuration can not be represented。
Ultrasound detection coupling water injects in the test chamber of hollow axle 1 by water jacketing 10, described tested pipe wire rod 14 is under the auxiliary guide effect that three shown in Fig. 5 grab centring means 13 and guide pin bushing 11, along the central axial direction of hollow axle 1 horizontal through test chamber。Tested pipe wire rod 14 is in the test chamber of hollow axle 1 in the process of straight ahead, hollow axle 1 is under the drive of electric system 19, high speed rotating centered by axis, meanwhile, the ultrasonic compressional being arranged on hollow axle 1 is hindered probe 4, layering Thicknesser probe 5 and horizontal wound probe 6 and can be carried out detecting a flaw at a high speed scanning along the circumference of pipe wire rod 14。
Fig. 7 illustrates the fundamental diagram of the present invention, encourages ultrasound probe to launch ultrasonic signal by the ultrasonic emitting/receiver module in rotor unit, and receives echo detection signal。The echo detection signal that ultrasonic emitting/receiver module receives is transferred to the signal wireless transmission module within swivel head in the way of wired, after signal wireless transmission module within swivel head echo detection signal a series of signal to receiving processes, form with RF/Microwave, being transferred out by signal, the signal wireless transmission module that this signal can be placed on outside Ultasonic rotating receives。The RF/Microwave signals revivification received is original echo detection signal by the signal wireless transmission module outside swivel head, and is transferred to upper computer detection instrument in the way of wired。The control command that signal wireless transmission module within the ultrasonic emitting/receiver module at rotor unit place and swivel head is sent by host computer, just the same with the wireless transmission method of echo detection signal, path, only transmit in opposite direction, signal wireless transmission module outside swivel head is launched, and the signal wireless transmission module within swivel head is received, then it is transferred to each actuator of rotor unit in the way of wired。
Preferably, in the prior art, described signal is wirelessly transferred, the form of RF/Microwave can be selected, but it is not limited only to the signal described in the present embodiment and is wirelessly transferred form, it is possible to be the relatively low shortwave of frequency, ultrashort wave, also or the other kinds of electromagnetic wave such as the higher technology of infrared transmission of frequency。The signal wireless transmission module that described swivel head is inside and outside, the Radio Transmission Technology adopted can be wireless broadcast technologies, Bluetooth Communication Technology, wireless WIFI technology and other wireless communication technologys。
Ultrasonic flaw detector with rotary based on RF/Microwave technology provided by the invention, adopt RF/Microwave signal transmission technology so that ultrasonic testing signals and control signal realize digital radio transmission safe and reliable, stability and high efficiency between the rotating unit and stator unit of ultrasonic rotating head。The present invention is while improving pipe wire rod ultrasonic examination speed, it is ensured that ultrasound detection signal is undamped distortion in transmitting procedure, improves the sensitivity of carrying out flaw detection, effectively prevents wrong report or fails to report。And the neoteric ultrasonic flaw detector with rotary based on RF/Microwave technology can extend flaw detection number of channels easily, increase flaw detection function, meet the inspection technique requirement of enterprise, improve detection quality。
Claims (4)
1. the ultrasonic flaw detector with rotary based on RF/Microwave technology, it is characterised in that include motor-driven unit, rotor unit, stator unit；Described rotor unit includes the signal wireless transmission module (9) within hollow axle (1), polygon flower hurdle frame (2), ultrasonic emitting/receiver module (8), swivel head, electric coupling copper ring (7), Ultrasound Probe Device and ultrasound probe；Described stator unit includes bearing (12), water jacketing (10), guide pin bushing (11), three grabs signal wireless transmission module (18) outside centring means (13), carbon brush holder (16) and graphite carbon brush (17), swivel head, pedestal (15)；
Described polygon flower hurdle frame (2) and described electric coupling copper ring (7) are respectively arranged the both sides being fixed on hollow axle (1)；Polygon flower hurdle frame (2) is for installing and the signal wireless transmission module (18) within mounting ultrasonic transmit/receive module (8) and swivel head；Electric coupling copper ring (7) is used for coupling DC source, and to the signal wireless transmission module within ultrasound emission/receiver module (8) and swivel head, (9 provide unidirectional current；
Described probe holder (3) is evenly arranged along hollow axle (1) circumferential position and is fixed between polygon flower hurdle frame (2) and electric coupling copper ring (7), and vertical wound probe (4) of ultrasound probe, layering Thicknesser probe (5) and horizontal wound probe (6) are individually fixed on probe holder (3)；
Described hollow axle (1) two ends are fixed in bearing (12), bearing (12), water jacketing (10), guide pin bushing (11), three grab signal wireless transmission module (18) outside centring means (13), carbon brush holder (16), swivel head and electric system (19) is fixed on pedestal (15)；Water jacketing (10) is for injecting coupling water in hollow axle (1)；Carbon brush holder (16) is used for fixing graphite carbon brush (17), and DC source, by contacting with electric coupling copper ring (7), is continued, stable supply rotor unit by graphite carbon brush (17)；Guide pin bushing (11) and three is grabbed centring means (13) and detected pipe wire rod is played auxiliary guiding and fixation；Electric system (19) rotor driven unit rotational。
2. ultrasonic flaw detector with rotary according to claim 1, it is characterized in that, this device encourages ultrasound probe to launch ultrasonic signal by the ultrasonic emitting/receiver module in rotor unit, and receives the echo detection signal returned by coupling water, tubing/Surface of Rod Bar and internal reflection；The echo detection signal that ultrasonic emitting/receiver module receives is transferred to the signal wireless transmission module within swivel head in the way of wired, the echo detection signal received is compressed by the signal wireless transmission module within swivel head, packing, digital modulation, after High frequency amplification and encryption a series of signal process, form with RF/Microwave, by wireless launcher, signal is transferred out, the signal wireless transmission module that this signal is placed on outside Ultasonic rotating receives, signal wireless transmission module outside swivel head is decrypted to the received signal, digital demodulation and signal reconstruction process, by the echo detection signal that the RF/Microwave signals revivification received is original, and be transferred on host computer and store in the way of wired, display；The control command that signal wireless transmission module within the ultrasonic emitting/receiver module at rotor unit place and swivel head is sent by host computer, just the same with the wireless transmission method of echo detection signal, path, only transmit in opposite direction。The control command that host computer sends is launched with signal wireless transmission module outside swivel head of the shape of RF/Microwave, and the signal wireless transmission module within swivel head is received processing, then is transferred to each actuator of rotor unit in the way of wired。
3. ultrasonic flaw detector with rotary according to claim 1, it is characterised in that motor-driven unit and hollow axle are equipped with belt pulley, motor obtain electric after, drive hollow axle original place to rotate by driving belt。Tested pipe wire rod is sent to the porch of Ultasonic rotating by transmission roller channel, under the auxiliary guide effect that centering grabbed by guide pin bushing and three, horizontal through the test chamber of hollow axle；Pipe wire rod in the test chamber of hollow axle in the process of straight ahead, is arranged on hollow axle ultrasound probe along with hollow axle is at original place high speed rotating, and the circumference along pipe wire rod carries out high speed scanning；The signal wireless transmission module inside and outside by being respectively placed in Ultasonic rotating, make echo detection signal and control command with the form of RF/Microwave, realize reliable and stable free communication between ultrasonic emitting/receiver module and the outside host computer at rotor unit place and connect；Being shown on upper computer detection instrument during ultrasonic inspection fructufy, and carry out follow-up provide flaw detection report and result storage。
4. ultrasonic flaw detector with rotary according to claim 1, it is characterised in that square, regular hexagon or the octagon that described polygonal colored hurdle frame (2) is regular shape。
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610045385.2A CN105699485A (en) | 2016-01-22 | 2016-01-22 | Rotary type ultrasonic flaw detection device based on radio frequency/microwave technology |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610045385.2A CN105699485A (en) | 2016-01-22 | 2016-01-22 | Rotary type ultrasonic flaw detection device based on radio frequency/microwave technology |
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| CN201610045385.2A Pending CN105699485A (en) | 2016-01-22 | 2016-01-22 | Rotary type ultrasonic flaw detection device based on radio frequency/microwave technology |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106248804A (en) * | 2016-09-26 | 2016-12-21 | 中车洛阳机车有限公司 | A kind of water supply installation of steel rail ultrasonic flaw detecting rail vehicle |
| CN106383174A (en) * | 2016-08-22 | 2017-02-08 | 合肥德泰科通测控技术有限公司 | An ultrasonic wave fracture detecting method for an external wall of a metal tube |
| CN110261491A (en) * | 2019-06-12 | 2019-09-20 | 中冶辽宁德龙钢管有限公司 | A kind of spiral steel pipe internal flaw reflectoscope |
| CN111103356A (en) * | 2019-12-26 | 2020-05-05 | 常州超声电子有限公司 | Solid shaft ultrasonic flaw detection system, flaw detection method and data processing method |
| CN111579649A (en) * | 2019-02-15 | 2020-08-25 | 奥林巴斯美国有限公司 | Ultrasonic wand inspection system with improved centering assembly |
| CN111721325A (en) * | 2020-06-18 | 2020-09-29 | 苏州希声科技有限公司 | Method for measuring rotating speed and angle of micro shaft |
| CN112881519A (en) * | 2021-01-14 | 2021-06-01 | 钢铁研究总院 | Coupling water transmission device and probe rotation type ultrasonic detection system |
| CN113541831A (en) * | 2021-06-11 | 2021-10-22 | 浙江芯昇电子技术有限公司 | Channel self-adapting method |
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2016
- 2016-01-22 CN CN201610045385.2A patent/CN105699485A/en active Pending
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106383174A (en) * | 2016-08-22 | 2017-02-08 | 合肥德泰科通测控技术有限公司 | An ultrasonic wave fracture detecting method for an external wall of a metal tube |
| CN106248804A (en) * | 2016-09-26 | 2016-12-21 | 中车洛阳机车有限公司 | A kind of water supply installation of steel rail ultrasonic flaw detecting rail vehicle |
| CN111579649A (en) * | 2019-02-15 | 2020-08-25 | 奥林巴斯美国有限公司 | Ultrasonic wand inspection system with improved centering assembly |
| CN110261491A (en) * | 2019-06-12 | 2019-09-20 | 中冶辽宁德龙钢管有限公司 | A kind of spiral steel pipe internal flaw reflectoscope |
| CN111103356A (en) * | 2019-12-26 | 2020-05-05 | 常州超声电子有限公司 | Solid shaft ultrasonic flaw detection system, flaw detection method and data processing method |
| CN111721325A (en) * | 2020-06-18 | 2020-09-29 | 苏州希声科技有限公司 | Method for measuring rotating speed and angle of micro shaft |
| CN112881519A (en) * | 2021-01-14 | 2021-06-01 | 钢铁研究总院 | Coupling water transmission device and probe rotation type ultrasonic detection system |
| CN112881519B (en) * | 2021-01-14 | 2022-05-24 | 钢铁研究总院 | Coupling water transmission device and probe rotation type ultrasonic detection system |
| CN113541831A (en) * | 2021-06-11 | 2021-10-22 | 浙江芯昇电子技术有限公司 | Channel self-adapting method |
| CN113541831B (en) * | 2021-06-11 | 2023-03-24 | 浙江芯昇电子技术有限公司 | Channel self-adapting method |
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Address after: 100081 Beijing sorghum Bridge ramp street, No. 13, No. Applicant after: The detection technology of NCS Limited by Share Ltd Address before: 100081 Beijing sorghum Bridge ramp street, No. 13, No. Applicant before: NCS Testing Technology Co., Ltd. |
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Application publication date: 20160622 |
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| WD01 | Invention patent application deemed withdrawn after publication |