CN103760237A - Hollow shaft ultrasonic flaw detection device - Google Patents
Hollow shaft ultrasonic flaw detection device Download PDFInfo
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- CN103760237A CN103760237A CN201410012439.6A CN201410012439A CN103760237A CN 103760237 A CN103760237 A CN 103760237A CN 201410012439 A CN201410012439 A CN 201410012439A CN 103760237 A CN103760237 A CN 103760237A
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Abstract
The invention discloses a hollow shaft ultrasonic flaw detection device. The hollow shaft ultrasonic flaw detection device comprises an ultrasonic wave probe, an ultrasonic wave transceiving unit, a controller and a probe moving unit, wherein the ultrasonic wave probe is composed of one or a plurality of ultrasonic wave chip groups which are ranked axially and sequentially and consist of a plurality of ultrasonic wave vibration source chips in columnar or similar columnar distribution; the ultrasonic wave transceiving unit excites the ultrasonic wave vibration source chips to generate ultrasonic waves according to a time sequence, frequency and impulse width which are set by the controller, and receives ultrasonic echo signals from the ultrasonic wave vibration source chips according to the time sequence set by the controller so as to scan rotationally around electrons at the circumference; the mechanical rotational scanning is not required in flow detection in a hollow shaft by the ultrasonic wave probe.
Description
Technical field
The present invention relates to ultrasonic detection technology field, relate in particular to a kind of structural design of tubular shaft ultrasonic flaw detecting device.
Background technology
China Express Railway development has entered a new Rapid development stage, and along with the continuous lifting of high-speed railway operation mileage and speed, on rolling stock, the detection method of each parts and detection means also need further to be promoted, to ensure security of operation.The axletree of high-speed railway vehicle generally adopts tubular shaft, existing tubular shaft defect ultrasonic flaw detecting device, if publication number is CN201984056, CN202351214, the Chinese patent of CN202230058, all adopt the probe with electric rotating machine, normal probe and the angle probe of monocrystalline or twin crystal are installed on each probe, by electric rotating machine, drive probe carrier around axle center, to rotate scanning flaw detection, by travel mechanism, probe is moved vertically in tubular shaft inside, because tubular shaft inner space is comparatively narrow, and the electrical noise that mechanical rotation process produces and mechanical vibration etc. also can produce certain impact to flaw detection process, inspection speed is limited to mechanical scanning mode, therefore be badly in need of providing the rotary tubular shaft ultrasonic flaw detecting device of a kind of novel on-mechanical to overcome the defect of above-mentioned existing apparatus.
Summary of the invention
For solving the problems of the technologies described above, the object of this invention is to provide a kind of tubular shaft reflectoscope, by this device, ultrasonic probe can not need to carry out mechanical rotation scanning, and the ultrasonic probe of the cylindricality providing by this device or plan cylindrical array formula, realizes rotary electronic scanning in the radial direction, can reduce the problems such as electrical noise that mechanical rotation brings and mechanical vibration, the physical construction of simplification device, improves the work efficiency of flaw detection, improves the sensitivity of flaw detection.
A kind of tubular shaft reflectoscope of the present invention's design, comprises ultrasonic probe, ultrasonic transmission/reception unit, controller and probe mobile unit; Described ultrasonic probe moves vertically in the inside of tubular shaft, described ultrasonic probe comprises at least one ultrasound wave wafer set being linked in sequence vertically and leads sound unit, each ultrasound wave wafer set comprises the ultrasound wave vibration source wafer that at least one is column or intends column and distribute around the axial line of tubular shaft, ultrasound wave vibration source wafer with lead sound unit close contact, lead the bore area close contact of sound unit and tubular shaft, described in lead sound unit and form or by coupling liquid, formed completely by leading sound voussoir and coupling liquid; The two ends of described ultrasonic probe are also installed with the O-ring seal that prevents that coupling liquid from leaking outside; Each ultrasound wave vibration source wafer is all connected with ultrasonic transmission/reception unit, ultrasonic transmission/reception unit be connected by wire cable with controller or radio communication in one or more array mode signal transmission, ultrasonic transmission/reception unit excites each ultrasound wave vibration source wafer to produce ultrasound wave, ultrasonic transmission/reception unit receives ultrasound echo signal from each ultrasound wave vibration source wafer simultaneously, and ultrasonic transmission/reception unit sends ultrasound echo signal to controller; Probe mobile unit is connected with ultrasonic probe, is also connected with controller simultaneously, and probe mobile unit drives ultrasonic probe to move vertically in the inside of tubular shaft according to the steering order of controller.
The cross section of described ultrasound wave vibration source wafer on direction of vibration is rectangle, trapezoidal or triangle, and the side section being parallel on direction of vibration is plane, convex surface or concave surface.
On described ultrasonic probe, be installed with and detect ultrasonic probe around the obliquity sensor of axial line deflection angle, obliquity sensor is connected by wire cable with controller or the mode signal transmission of radio communication.
Described tubular shaft reflectoscope also comprises coupling liquid ebullator, described coupling liquid ebullator by liquid line with lead sound unit and be connected, it is outside or be arranged on ultrasonic probe that coupling liquid ebullator is arranged on tubular shaft.
Described tubular shaft reflectoscope also comprises display and user interaction unit, display is connected by the mode of wire cable or radio communication with controller, user interaction unit adopts one or more the combination in keyboard, mouse, pushbutton switch and Touch Screen, and user interaction unit is connected by wire cable with controller or the mode signal transmission of radio communication.
Described probe mobile unit is push-and-pull bar type structure, comprises pull bar, power plant and displacement transducer; One end of pull bar is fixedly connected with ultrasonic probe, and the other end is fixedly connected with power plant; Power plant drives pull bar to move vertically, and ultrasonic probe moves vertically in tubular shaft inside under the drive of pull bar; Power plant is connected by wire cable with controller or the mode signal transmission of radio communication; Displacement transducer is connected with the one or more parts in pull bar, power plant or ultrasonic probe, the axial displacement of measuring sonde mobile unit, and with controller by the mode signal transmission of wire cable or radio communication; The combination of one or more in described displacement transducer employing rotary encoder, bracing wire scrambler or acceleration transducer.
The combination of one or more in the long direct light bar of described pull bar employing, flexible hose, leading screw and more piece connecting rod, power plant adopts oil cylinder, cylinder or motor.
Described probe mobile unit also can be tendon rope extending type structure, comprises tendon rope, pulley mechanism, stay cord propulsion system and displacement transducer; Described stay cord propulsion system comprise wiring bucket and motor, and one end of tendon rope is fixedly connected with ultrasonic probe, and the other end is fixedly connected with wiring bucket by pulley mechanism; The output shaft of motor is fixedly connected with wiring bucket; Displacement transducer is connected with tendon rope, pulley mechanism or stay cord propulsion system, the axial displacement of measuring sonde mobile unit, and with controller by the mode signal transmission of wire cable or radio communication; The combination of one or more in described displacement transducer employing rotary encoder, bracing wire scrambler or acceleration transducer.
Described probe mobile unit is high-pressure inflation type structure, comprises sealing ring, gas admittance valve, vent valve, air pump, recovery rope and displacement transducer; Sealing ring is fixed on one end of tubular shaft, and one end of gas admittance valve is connected by gas piping with the venthole of air pump, and the other end is connected by gas piping with sealing ring, between vent valve and sealing ring, by gas piping, is connected; The one end of reclaiming rope is fixedly connected with ultrasonic probe, and the other end is fixedly connected with sealing ring; Displacement transducer is connected with ultrasonic probe, measures the axial displacement of ultrasonic probe, and with controller by the mode signal transmission of wire cable or radio communication; The combination of one or more in described displacement transducer employing rotary encoder, bracing wire scrambler or acceleration transducer.
The present invention compared with prior art, has the following advantages and high-lighting effect:
Ultrasonic probe of the present invention is a kind of cylindricality or the ultrasonic probe of intending cylindrical array formula, this ultrasonic probe comprises at least one ultrasound wave wafer set, ultrasound wave vibration source wafer in each ultrasound wave wafer set is column or plan column distributes around axial line, the time sequencing that specify according to controller ultrasonic transmission/reception unit, frequency and pulse width excite each ultrasound wave vibration source wafer to produce ultrasound wave, with regular hour order and sampling time length, from each ultrasound wave vibration source wafer, receive ultrasound echo signal simultaneously, and send this signal to controller, thereby realize the radial ultrasonic flaw detection around circumferencial direction, no longer need mechanical type rotating scanning, can reduce the problems such as electrical noise that mechanical rotation brings and mechanical vibration, the physical construction of simplification device, improve the work efficiency of flaw detection, improve the sensitivity of flaw detection.
Accompanying drawing explanation
Fig. 1 is the system architecture schematic diagram of hollow shaft fault detection device of the present invention.
Fig. 2 is the first embodiment of ultrasonic probe of the present invention.
Fig. 3 is the second embodiment of ultrasonic probe of the present invention.
Fig. 4 is the third embodiment of ultrasonic probe of the present invention.
Fig. 5 is the 4th kind of embodiment of ultrasonic probe of the present invention.
Fig. 6 be A embodiment illustrated in fig. 3 ?A cut-open view.
Fig. 7 be B embodiment illustrated in fig. 5 ?B cut-open view.
Fig. 8 is the probe mobile unit structural drawing of push-and-pull rod-type of the present invention.
Fig. 9 is the probe mobile unit structural drawing of tendon rope extending type of the present invention.
Figure 10 is the probe mobile unit structural drawing of high-pressure inflation type of the present invention.
1 ?ultrasonic probe; 10 ?ultrasound wave wafer set; 10A ?the first ultrasound wave wafer set;
10B ?the second ultrasound wave wafer set; 10C ?the 3rd ultrasound wave wafer set; 11 ?ultrasound wave vibration source wafer;
11A ?first group of ultrasound wave vibration source wafer;
11B ?second group of ultrasound wave vibration source wafer;
11C ?the 3rd group of ultrasound wave vibration source wafer;
12 ?lead sound unit; 13 ?O-ring seal, 14 ?substrate,
16 ?obliquity sensor,
2 ?ultrasonic transmission/reception unit,
3 ?controller,
4 ?probe mobile unit, 411 ?pull bar, 412 ?power plant,
421 ?tendon rope, 422 ?pulley mechanism, 423 ?stay cord propulsion system,
424 ?wiring bucket, 425 ?motor, 431 ?sealing ring,
432 ?gas admittance valve, 433 ?vent valve, 434 ?air pump,
435 ?reclaim rope,
5 ?displacement transducer,
6 ?coupling liquid ebullator,
7 ?display, 8 ?user interaction unit,
9 ?tubular shaft.
Embodiment
Below in conjunction with accompanying drawing and embodiment, further describe the content of concrete structure of the present invention, principle of work.
A kind of embodiment of hollow shaft fault detection device of the present invention, as shown in Figure 1, Figure 2, shown in Fig. 6, Fig. 9, be the system construction drawing of a kind of embodiment of this device, comprises ultrasonic probe 1, ultrasonic transmission/reception unit 2, controller 3 and probe mobile unit 4, described ultrasonic probe 1 moves vertically in the inside of tubular shaft 9, ultrasonic probe 1 comprises that three ultrasound wave wafer set 10 and one lead sound unit 12, wherein ultrasound wave wafer set, i.e. the first ultrasound wave wafer set 10A, the second ultrasound wave wafer set 10B and the 3rd ultrasound wave wafer set 10C, each ultrasound wave wafer set all comprises multiple ultrasound wave vibration source wafers 11, wherein first group of ultrasound wave vibration source wafer 11A is truncated cone-shaped distribution around the axial line of tubular shaft 9, second group of ultrasound wave vibration source wafer 11B is around the cylindrical distribution of axial line of tubular shaft 9, the 3rd group of ultrasound wave vibration source wafer 11C is truncated cone-shaped around the axial line of tubular shaft 9 and distributes, first group of ultrasound wave vibration source wafer 11A and second group of ultrasound wave vibration source wafer 11C launch ultrasonic axial wave number and propagate in opposite directions, each ultrasound wave vibration source wafer 11 all with lead sound unit 12 close contacts, lead the bore area close contact of sound unit 12 and tubular shaft 9, in the present embodiment, lead sound unit 12 by leading sound voussoir 121 and coupling liquid 122 forms, leading sound voussoir 12 adopts organic glass to make, coupling liquid 122 is machine oil, coupling liquid 122 is being led between sound voussoir and the interior empty surface of tubular shaft 9, the two ends of described ultrasonic probe 1 are also installed with the O-ring seal 13 that prevents that coupling liquid 122 from leaking outside, each ultrasound wave vibration source wafer 11 is all connected with ultrasonic transmission/reception unit 2, the mode signal transmission that ultrasonic transmission/reception unit 2 is connected by wire cable with controller 3, the time sequencing that ultrasonic transmission/reception unit 2 is set according to controller 3, frequency and pulse width parameter excite each ultrasound wave vibration source wafer 11 to produce ultrasound wave, make to launch sound wave and produce focusing at different radial positions and the circumferential deflection angle place of axle inside, realize the dynamic electron scanning on radial and axial both direction, ultrasonic transmission/reception unit 2 is set according to controller 3 simultaneously time sequencing and sampling time length receive ultrasound echo signal from each ultrasound wave vibration source wafer 11, ultrasonic transmission/reception unit 2 sends ultrasound echo signal to controller 3, probe mobile unit 4 is connected with ultrasonic probe 1, is also connected with controller 3 simultaneously, and probe mobile unit 4 drives ultrasonic probe 1 to move vertically in the inside of tubular shaft 9 according to the steering order of controller 3.
The cross section of described ultrasound wave vibration source wafer 11 on direction of vibration is rectangle, trapezoidal or triangle, and the side section being parallel on direction of vibration is plane, convex surface or concave surface.In the present embodiment, as shown in Figure 3 and Figure 6, the cross section on the direction of vibration of ultrasound wave vibration source wafer 11 is rectangle, is parallel to the mode that the side section on direction of vibration is plane.
As shown in Figure 8, in the present embodiment, described probe mobile unit 4 is push-and-pull bar type structure, comprises pull bar 411, power plant 412 and displacement transducer 5; One end of pull bar 411 is fixedly connected with ultrasonic probe 1, and the other end is fixedly connected with power plant 412; Power plant 412 drives pull bar 411 to move vertically, and ultrasonic probe 1 moves vertically in tubular shaft 9 inside under the drive of pull bar 411; Power plant 412 is connected by wire cable with controller 3 or the mode signal transmission of radio communication; Displacement transducer 5 is connected with power plant 412, the axial displacement of measuring sonde mobile unit 4, and pass through the mode signal transmission of wire cable with controller 3, displacement transducer 5 adopts scrambler.In addition, probe mobile unit 4 can also adopt the structure of tendon rope extending type or high-pressure inflation type, will in conjunction with Fig. 9 and Figure 10, be explained in the back.
As shown in Figure 1, tubular shaft reflectoscope in the present embodiment also comprises display 7 and user interaction unit 8, display 7 is connected by the mode of wire cable or radio communication with controller 3, user interaction unit 8 adopts the combination of keyboard, mouse and Touch Screen, the mode signal transmission that user interaction unit 8 is connected by wire cable with controller 3.
Other three kinds of embodiment of described ultrasonic probe 1, as Fig. 3, shown in Fig. 4 and Fig. 5, embodiment as shown in Figure 3, ultrasonic probe 1 consists of a ultrasound wave wafer set 10, this ultrasound wave wafer set 10 comprises multiple ultrasound wave vibration source wafers 11, ultrasound wave vibration source wafer 11 is column around the axial line of tubular shaft 9 and distributes, embodiment as described in Figure 4, ultrasonic probe 1 is comprised of three ultrasound wave wafer set 10, wherein the first ultrasound wave wafer set 10A and the 3rd ultrasound wave wafer set 10C all adopt truncated cone-shaped to distribute, comprise respectively multiple ultrasound wave vibration source wafer 11A and multiple ultrasound wave vibration source wafer 11C, first group of ultrasound wave vibration source wafer 11A and the 3rd group of ultrasound wave vibration source wafer 11C launch ultrasonic axial wave number and propagate dorsad, embodiment as shown in Figure 5, ultrasonic probe 1 is comprised of a ultrasound wave wafer set 10, this ultrasound wave wafer set 10 comprises that multiple axle center around tubular shaft 9 are the ultrasound wave vibration source wafer 11 that truncated cone-shaped distributes.Cross section on the direction of vibration of the ultrasound wave vibration source wafer 11 in the embodiment as shown in Fig. 5 and Fig. 7 is trapezoidal, and the side section being parallel on direction of vibration is concave surface.
As shown in Figure 9, be the second embodiment of mobile unit 4 of detecting a flaw in apparatus of the present invention, the probe mobile unit 4 of the present embodiment adopts tendon rope extending type, comprises tendon rope 421, pulley mechanism 422, stay cord propulsion system 423 and displacement transducer 5; Described stay cord propulsion system 423 comprise wiring bucket 424 and motor 425, and one end of tendon rope 421 is fixedly connected with ultrasonic probe 1, and the other end is fixedly connected with wiring bucket 423 by pulley mechanism 422; Motor 425 is fixedly connected with wiring bucket 423; Displacement transducer 5 adopts rotary encoder, be fixed on pulley mechanism 422, and with controller 3 by the mode signal transmission of wire cable or radio communication.
As shown in figure 10, the third embodiment of mobile unit 4 of popping one's head in apparatus of the present invention, probe mobile unit 4 in the present embodiment adopts high-pressure inflation type, comprise sealing ring 431, gas admittance valve 432, vent valve 433, air pump 434, reclaim rope 435 and displacement transducer 5, sealing ring 431 is fixed on one end of tubular shaft 9, one end of gas admittance valve 432 is connected by tracheae with the venthole of air pump 434, the other end is connected by tracheae with sealing ring 431, between vent valve 433 and sealing ring 431, by tracheae, is connected; The one end of reclaiming rope 435 is fixedly connected with ultrasonic probe 1, and the other end is fixedly connected with sealing ring 431; Displacement transducer 5 adopts acceleration transducer, and is fixed on ultrasonic probe 1, and displacement transducer 5 and controller 3 are by the mode signal transmission of wire cable or radio communication.
In two kinds of embodiment as shown in Figure 9 and Figure 10, on ultrasonic probe 1, be all installed with and detect the obliquity sensor 16 of ultrasonic probe 1 around axial line deflection angle, the mode signal transmission that obliquity sensor 16 is connected by wire cable with controller 3.
Embodiment as shown in figure 10, tubular shaft reflectoscope also comprises coupling liquid ebullator 6, described coupling liquid ebullator 6 by liquid line with lead sound unit 12 and be connected, coupling liquid ebullator 6 adopts microminiature ebullator to be arranged on ultrasonic probe 1.
The ultrasonic probe of utilization of the present invention is a kind of array-type ultrasonic probe, this ultrasonic probe comprises at least one ultrasound wave wafer set, ultrasound wave vibration source wafer in each ultrasound wave wafer set is column or intends column distribution, by ultrasonic transmission/reception unit, according to regular hour order, excite each ultrasound wave vibration source wafer to produce ultrasound wave, with regular hour order, from each ultrasound wave vibration source wafer, receive ultrasonic signal simultaneously, and send this signal to controller, thereby realize ultrasonic probe in tubular shaft internal electron rotation scanning, detect defect, no longer need to adopt machinery rotation to realize the scanning flaw detection of ultrasonic probe, physical construction that can simplification device, improve the work efficiency of flaw detection, contribute to improve the precision and the sensitivity that detect.
Claims (9)
1. a tubular shaft reflectoscope, is characterized in that: comprise ultrasonic probe (1), ultrasonic transmission/reception unit (2), controller (3) and probe mobile unit (4), described ultrasonic probe (1) moves vertically in the inside of tubular shaft (9), described ultrasonic probe (1) comprises that ultrasound wave wafer set (10) that at least one is linked in sequence vertically and at least one lead sound unit (12), each ultrasound wave wafer set (10) comprises the ultrasound wave vibration source wafer (11) that at least one is column or intends column and distribute around the axial line of tubular shaft (9), ultrasound wave vibration source wafer (11) with lead sound unit (12) close contact, lead the bore area close contact of sound unit (12) and tubular shaft (9), the described sound unit (12) of leading forms or coupling liquid (122), consists of completely by leading sound voussoir (121) and coupling liquid (122), the two ends of described ultrasonic probe (1) are also installed with the O-ring seal (13) that prevents that coupling liquid (122) from leaking outside, each ultrasound wave vibration source wafer (11) is all connected with ultrasonic transmission/reception unit (2), ultrasonic transmission/reception unit (2) be connected by wire cable with controller (3) or radio communication in one or more array mode signal transmission, ultrasonic transmission/reception unit (2) excites each ultrasound wave vibration source wafer (11) to produce ultrasound wave, ultrasonic transmission/reception unit (2) receive ultrasound echo signal from each ultrasound wave vibration source wafer (11) simultaneously, and ultrasonic transmission/reception unit (2) send ultrasound echo signal to controller (3), probe mobile unit (4) is connected with ultrasonic probe (1), is also connected with controller (3) simultaneously, and probe mobile unit (4) drives ultrasonic probe (1) to move vertically in the inside of tubular shaft (9) according to the steering order of controller (3).
2. tubular shaft reflectoscope according to claim 1, is characterized in that: the cross section of described ultrasound wave vibration source wafer (11) on direction of vibration is rectangle, trapezoidal or triangle, the side section being parallel on direction of vibration is plane, convex surface or concave surface.
3. tubular shaft reflectoscope according to claim 1, it is characterized in that: on described ultrasonic probe (1), be installed with and detect ultrasonic probe (1) around the obliquity sensor (16) of axial line deflection angle, obliquity sensor (16) is connected by wire cable with controller (3) or the mode signal transmission of radio communication.
4. tubular shaft reflectoscope according to claim 1, it is characterized in that: described tubular shaft reflectoscope also comprises coupling liquid ebullator (6), described coupling liquid ebullator (6) by liquid line with lead sound unit (12) and be connected, it is outside or be arranged on ultrasonic probe (1) that coupling liquid ebullator (6) is arranged on tubular shaft (9).
5. tubular shaft reflectoscope according to claim 1, it is characterized in that: described tubular shaft reflectoscope also comprises display (7) and user interaction unit (8), display (7) is connected by the mode of wire cable or radio communication with controller (3), user interaction unit (8) adopts one or more the combination in keyboard, mouse, pushbutton switch and Touch Screen, and user interaction unit (8) is connected by wire cable with controller (3) or the mode signal transmission of radio communication.
6. according to tubular shaft reflectoscope described in the arbitrary claim of claim 1～5, it is characterized in that: described probe mobile unit (4) is push-and-pull bar type structure, comprises pull bar (411), power plant (412) and displacement transducer (5); One end of pull bar (411) is fixedly connected with ultrasonic probe (1), and the other end is fixedly connected with power plant (412); Power plant (412) drives pull bar (411) to move vertically, and ultrasonic probe (1) moves vertically in tubular shaft (9) inside under the drive of pull bar (411); Power plant (412) is connected by wire cable with controller (3) or the mode signal transmission of radio communication; Displacement transducer (5) is connected with pull bar (411), power plant (412) or ultrasonic probe (1), the axial displacement of measuring sonde mobile unit (4), and with controller (3) by the mode signal transmission of wire cable or radio communication; The combination of one or more in described displacement transducer (5) employing rotary encoder, bracing wire scrambler and acceleration transducer.
7. tubular shaft reflectoscope according to claim 6, it is characterized in that: the combination of one or more in the long direct light bar of described pull bar (411) employing, flexible hose, leading screw and more piece connecting rod, power plant (412) adopts oil cylinder, cylinder or motor.
8. according to tubular shaft reflectoscope described in the arbitrary claim of claim 1～5, it is characterized in that: described probe mobile unit (4) is tendon rope extending type structure, comprises tendon rope (421), pulley mechanism (422), stay cord propulsion system (423) and displacement transducer (5); Described stay cord propulsion system (423) comprise wiring bucket (424) and motor (425), and one end of tendon rope (421) is fixedly connected with ultrasonic probe (1), and the other end is fixedly connected with wiring bucket (423) by pulley mechanism (422); The output shaft of motor (425) is fixedly connected with wiring bucket (423); Displacement transducer (5) is connected with tendon rope (421), pulley mechanism (422) or stay cord propulsion system (423), the axial displacement of measuring sonde mobile unit (4), and with controller (3) by the mode signal transmission of wire cable or radio communication; The combination of one or more in described displacement transducer (5) employing rotary encoder, bracing wire scrambler and acceleration transducer.
9. according to tubular shaft reflectoscope described in the arbitrary claim of claim 1～5, it is characterized in that: described probe mobile unit (4) is high-pressure inflation type structure, comprise sealing ring (431), gas admittance valve (432), vent valve (433), air pump (434), reclaim rope (435) and displacement transducer (5); Sealing ring (431) is fixed on one end of tubular shaft (9), one end of gas admittance valve (432) is connected by gas piping with the venthole of air pump (434), the other end is connected by gas piping with sealing ring (431), between vent valve (433) and sealing ring (431), by gas piping, is connected; The one end of reclaiming rope (435) is fixedly connected with ultrasonic probe (1), and the other end is fixedly connected with sealing ring (431); Displacement transducer (5) is connected with ultrasonic probe (1), measures the axial displacement of ultrasonic probe (1), and with controller (3) by the mode signal transmission of wire cable or radio communication; The combination of one or more in described displacement transducer (5) employing rotary encoder, bracing wire scrambler and acceleration transducer.
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| CN201410012439.6A CN103760237A (en) | 2014-01-10 | 2014-01-10 | Hollow shaft ultrasonic flaw detection device |
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| CN201410012439.6A CN103760237A (en) | 2014-01-10 | 2014-01-10 | Hollow shaft ultrasonic flaw detection device |
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| CN105181801A (en) * | 2015-09-16 | 2015-12-23 | 浙江大学 | Ultrasonic non-destructive testing device for hollow shaft of high-speed rail |
| CN105424815A (en) * | 2015-12-28 | 2016-03-23 | 常州常瑞轨道交通科技有限公司 | Hollow axle ultrasonic flaw detector |
| CN105911145A (en) * | 2016-06-06 | 2016-08-31 | 浙江省特种设备检验研究院 | Heat exchanger tube plate fillet weld ultrasonic-phased array detection method and device |
| CN105973980A (en) * | 2016-05-03 | 2016-09-28 | 深圳市发利构件机械技术服务有限公司 | Ultrasonic detection multiuse probe system of thickened area of end portion of drilling rod in drilling rod detection |
| CN106248793A (en) * | 2016-08-31 | 2016-12-21 | 北京主导时代科技有限公司 | A kind of phased-array ultrasonic hollow axle detection device and detection method |
| CN107014907A (en) * | 2017-04-10 | 2017-08-04 | 中国科学院声学研究所 | A kind of flexible probe structure |
| CN108072340A (en) * | 2018-02-12 | 2018-05-25 | 辽宁科技大学 | A kind of steel pipe internal-surface induction heat treatment depth of hardening zone automatic detection device |
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| CN110596253A (en) * | 2019-07-22 | 2019-12-20 | 株洲时代电子技术有限公司 | Steel rail flaw detection signal generation and processing device |
| 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 |
| CN111693673A (en) * | 2020-06-22 | 2020-09-22 | 重庆快捷长征无损检测有限责任公司 | Monorail vehicle hollow shaft detection device that detects a flaw |
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| CN105181801A (en) * | 2015-09-16 | 2015-12-23 | 浙江大学 | Ultrasonic non-destructive testing device for hollow shaft of high-speed rail |
| CN105424815A (en) * | 2015-12-28 | 2016-03-23 | 常州常瑞轨道交通科技有限公司 | Hollow axle ultrasonic flaw detector |
| CN105424815B (en) * | 2015-12-28 | 2018-04-13 | 常州常瑞轨道交通科技有限公司 | A kind of hollow-axle ultrasonic flaw-detecting machine |
| CN105973980A (en) * | 2016-05-03 | 2016-09-28 | 深圳市发利构件机械技术服务有限公司 | Ultrasonic detection multiuse probe system of thickened area of end portion of drilling rod in drilling rod detection |
| CN105911145A (en) * | 2016-06-06 | 2016-08-31 | 浙江省特种设备检验研究院 | Heat exchanger tube plate fillet weld ultrasonic-phased array detection method and device |
| CN105911145B (en) * | 2016-06-06 | 2018-12-11 | 浙江省特种设备检验研究院 | A kind of heat exchanger tube sheet fillet weld ultrasonic phase array detection method and device |
| CN106248793A (en) * | 2016-08-31 | 2016-12-21 | 北京主导时代科技有限公司 | A kind of phased-array ultrasonic hollow axle detection device and detection method |
| CN107014907A (en) * | 2017-04-10 | 2017-08-04 | 中国科学院声学研究所 | A kind of flexible probe structure |
| CN107014907B (en) * | 2017-04-10 | 2023-05-26 | 中国科学院声学研究所 | Flexible probe structure |
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Application publication date: 20140430 |