CN201116920Y - Combined probe used for steel rail welding seam ultrasonic inspection - Google Patents
Combined probe used for steel rail welding seam ultrasonic inspection Download PDFInfo
- Publication number
- CN201116920Y CN201116920Y CNU2007201729122U CN200720172912U CN201116920Y CN 201116920 Y CN201116920 Y CN 201116920Y CN U2007201729122 U CNU2007201729122 U CN U2007201729122U CN 200720172912 U CN200720172912 U CN 200720172912U CN 201116920 Y CN201116920 Y CN 201116920Y
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- rail welding
- welding line
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Abstract
The utility model relates to a combined probe for steel rail weld joint supersonic flaw detecting, which comprises a pair of a first probe and a second probe which are arranged on a supporting stand, wherein one probe is used for emitting supersonic wave, and the other probe is used for receiving supersonic wave, the first probe and the second probe are respectively provided with a first slide shoe and a second slide shoe, wherein a plurality of secondary probes for emitting supersonic wave or a plurality of secondary proves for receiving supersonic wave are respectively arrayed in each slide shoe in turn, each secondary probe for emitting supersonic wave and each secondary probe for receiving supersonic wave are respectively and correspondingly arranged in the first slide shoe and the second slide shoe in pairs, and the refraction angle of each pair of secondary probes are the same. The combined probe has the advantages of big detecting area, which reduces detecting combined probe, achieves full-face detection for steel rail weld joint, guarantees the accurate detection of supersonic wave of each portion of the steel rail weld joint, and improves detecting precision of flaw detection.
Description
Technical field
The utility model relates to a kind of combined probe, especially a kind of steel rail welding line UT (Ultrasonic Testing) coupling probe, and it is specially adapted to the seamless railroad steel rail welding line is carried out carrying out flaw detection.
Background technology
At present, the ultrasound examination mode is mostly adopted in quality check for the railway track weld seam, because the rail geometric configuration is complicated and the singularity of weld defects, when adopting supersonic reflection method to detect, exist and detect the blind area, can't detect all defect of weld seam inside and heat-affected zone exactly, thereby, cause visiting and misjudgment phenomenon happens occasionally steel rail welding line being carried out in the carrying out flaw detection operation leaking, the traffic safety of rail track is arrived in serious threat.
In addition, when adopting the ultrasonic wave diffraction method to detect the method for weld seam, known structure normally adopts a pair of probe, unicity and reasons such as detection degree of depth limitation and probe shape owing to its angle, cause the sound field of steel rail welding line section extremely inhomogeneous, this has just caused accuracy in detection, accuracy of detection and detection speed low.Therefore, the ultrasonic wave diffraction method of a pair of probe can not realize the full face quality testing of steel rail welding line.
The design people is in view of the defective that exists in the above-mentioned prior art, and auxiliary by the knowledge of specialty, experience developed steel rail welding line UT (Ultrasonic Testing) coupling probe of the present utility model.
The utility model content
The technical problems to be solved in the utility model is: the UT (Ultrasonic Testing) coupling probe that a kind of detection steel rail welding line simple to operate, fireballing is provided, to overcome the defective that prior art exists, reduce and detect the blind area, and detect by layering is carried out in the zone of each different-thickness of steel rail welding line, be able to detect the purpose of the crackle of inner various defectives of steel rail welding line and heat-affected zone.
For this reason, a kind of steel rail welding line UT (Ultrasonic Testing) coupling probe that the utility model proposes, wherein, described coupling probe has a pair of probe of first on the support and second probe of being arranged on, one of them is the hyperacoustic probe of emission, and another is to receive hyperacoustic probe; Described first probe and second probe have first piston shoes and second piston shoes respectively, in each piston shoes respectively series arrangement be provided with the hyperacoustic son probe of a plurality of emissions or the hyperacoustic son of a plurality of reception is popped one's head in; The described hyperacoustic son probe of each emission and receive hyperacoustic son probe be in pairs respectively correspondence be arranged in first piston shoes and second piston shoes, the refraction angle of each antithetical phrase probe equates.
Aforesaid steel rail welding line UT (Ultrasonic Testing) coupling probe, wherein, the hyperacoustic son probe of the hyperacoustic son probe of described a plurality of emission or a plurality of reception is contained in respectively in the storage tank of described first piston shoes or second piston shoes, and described storage tank is provided with along the short transverse perforation of first, second piston shoes.
Aforesaid steel rail welding line UT (Ultrasonic Testing) coupling probe, wherein, the refraction angle of son probe that is arranged on described a pair of piston shoes inboard is greater than the refraction angle of the son probe that is arranged on the described a pair of piston shoes outside.
Aforesaid steel rail welding line UT (Ultrasonic Testing) coupling probe, wherein, the two ends of described piston shoes are respectively equipped with a through hole along short transverse, and the bottom surface of described through hole has the caulking groove that is connected with the storage tank of described piston shoes; Wherein a through hole is an inlet opening, and another through hole is a vent port.
Aforesaid steel rail welding line UT (Ultrasonic Testing) coupling probe, wherein, described caulking groove is 0.2mm apart from piston shoes bottom surface height.
Aforesaid steel rail welding line UT (Ultrasonic Testing) coupling probe, wherein, described support has a leading screw at least, and first and second probes are pivotally connected with a pair of strap respectively, and described a pair of strap can be connected with described leading screw movably.
Aforesaid steel rail welding line UT (Ultrasonic Testing) coupling probe, wherein, described support also has a guide rod, described guide rod and described leading screw be arranged in parallel, the two ends of described guide rod and leading screw are respectively equipped with a fixed part, and described guide rod is fixedlyed connected with fixed part, and described leading screw can be connected rotationally with fixed part.
Aforesaid steel rail welding line UT (Ultrasonic Testing) coupling probe, wherein, described leading screw is the bidirectional modulation leading screw, a bidirectional modulation wheel that has internal thread matches with described leading screw, and between described first and second probes.
Aforesaid steel rail welding line UT (Ultrasonic Testing) coupling probe, wherein, the periphery of described bidirectional modulation wheel is provided with teeth, forms a tapped gear.
Aforesaid steel rail welding line UT (Ultrasonic Testing) coupling probe, wherein, described a pair of strap is fixedlyed connected with a probe contiguous block, this probe contiguous block has a through hole and a threaded hole of parallel axes, described guide rod can be arranged in this through hole slidably, and described leading screw is made of this threaded hole with described probe contiguous block and is threaded.
Characteristics of the present utility model and advantage are:
1, the utility model is by being provided with many antithetical phrase probes, and each antithetical phrase probe is symmetricly set on respectively in first, second probe, make ultrasonic wave energy cover the whole welding line zone of visiting, and can carry out layering to the zone of each different-thickness of steel rail welding line and detect, it is big to have search coverage, reduces the advantage that detects the blind area.
2, owing to the refraction angle of each antithetical phrase probe in the many antithetical phrases probes that are symmetricly set on respectively in first and second probes is equal, and the refraction angle that the son that is arranged on probe inboard (sides adjacent) is popped one's head in is greater than the refraction angle of the son probe that is arranged on the described probe outside (away from side), then each antithetical phrase probe constitutes the ultrasonic sound source of different angles, therefore can detect the defective of different depth in the steel rail welding line, and the crackle that detects the heat-affected zone, realized the full section of steel rail welding line is detected.
3, steel rail welding line UT (Ultrasonic Testing) of the present utility model is adjusted spacing between two probes with coupling probe by bidirectional modulation wheel and bidirectional helical leading screw, thereby make first, second probe can be positioned at the axis of a weld both sides equidistantly, guaranteed exactly ultrasound examination each position of steel rail welding line.
4, the utility model is by being arranged on the caulking groove of piston shoes lower surface, when detecting head surface is flowed through coupling liquid, can make detecting head surface and rail surface maintain certain thickness coupling liquid membrane, thereby guarantee in the flaw detection process stable acoustic coupling is arranged, improve the carrying out flaw detection precision.
5, pivotally be connected by rotation axis between described piston shoes and the strap, make two probes can not be subjected to the influence of the shape on rail surface, thereby reach the preferable acoustic coupling effect of acquisition in the flaw detection process.
Description of drawings
Fig. 1 is that steel rail welding line UT (Ultrasonic Testing) of the present utility model is looked synoptic diagram with coupling probe structure master;
Fig. 2 is a steel rail welding line UT (Ultrasonic Testing) of the present utility model coupling probe structure schematic top plan view;
Fig. 3 is a steel rail welding line UT (Ultrasonic Testing) of the present utility model coupling probe structure schematic side view;
Fig. 3 A is the cross-sectional schematic along A-A line among Fig. 1;
Fig. 4 A, Fig. 4 B are coupling probe structural representation of the present utility model, and wherein, Fig. 4 A is for constituting a plurality of son probes of first probe, and Fig. 4 B is for constituting a plurality of son probes of second probe;
Fig. 5 is the piston shoes cross-sectional schematic of coupling probe of the present utility model;
Fig. 6 is the schematic top plan view of piston shoes;
Fig. 7 is the cross-sectional schematic along B-B line among Fig. 5;
Fig. 8 is the cross-sectional schematic along C-C line among Fig. 5;
Fig. 9 is a steel rail welding line UT (Ultrasonic Testing) of the present utility model coupling probe user mode schematic side view;
Figure 10 looks synoptic diagram for steel rail welding line UT (Ultrasonic Testing) of the present utility model with coupling probe user mode master;
Figure 11 is the local enlarged diagram at I place among Figure 10.
Embodiment
Understand for the purpose of this utility model, feature, technique effect being had more clearly, now contrast accompanying drawing continuous conveying device of the present utility model is described.
Shown in Fig. 1,2,3,3A, steel rail welding line UT (Ultrasonic Testing) coupling probe of the present utility model, comprise a pair of probe of first on the support 12 and second probe 3 that is arranged on, described support 1 has leading screw 11 at least, first and second probes 2,3 are pivotally connected by rotation axis 14 and a pair of strap 12,13 respectively, described a pair of strap 12,13 can be connected with described leading screw 11 movably, preferred described strap 12,13 is fixedlyed connected with probe contiguous block 121, and constitutes between this probe contiguous block 121 and the leading screw 11 and be threaded.
For guarantee that a pair of probe 2,3 can move reposefully on described leading screw 11, preferred described support 1 also comprises a guide rod 15, described guide rod 15 be arranged in parallel with described leading screw 11, described guide rod 15 is respectively equipped with a fixed part 16 with the two ends of leading screw 11, and described guide rod 15 is fixedlyed connected with fixed part 16, and described leading screw 11 and fixed part 16 are for being rotationally connected.Also be provided with a through hole on the above-mentioned probe contiguous block 121, described guide rod 15 slidably is arranged in this through hole, and the described through hole that is provided with on the described probe contiguous block 121 and the axis of threaded hole parallel.
For the ease of regulating, in the present embodiment, described leading screw 11 be the bidirectional modulation leading screw, and a tapped bidirectional modulation wheel 17 matches with described leading screw 11, and pops one's head between 2,3 described first and second.
Another feasible embodiment is, can teeth be set in the periphery of described bidirectional modulation wheel 17, forms a tapped gear (not shown), for example this gear to touch number be 1.
Wherein, one of them of described first probe, 2 and second probe 3 is the hyperacoustic probe of emission, and another is to receive hyperacoustic probe.And the son probe in described first probe, 2 and second probe 3 is symmetrical arranged along the center line between described first probe, 2, second probe 3.Described first probe, 2 and second probe 3 has first piston shoes 21 and second piston shoes 31 respectively, shown in Fig. 5,6, each piston shoes 21,31 is equipped with the storage tank 214,314 of perforation in short transverse, be provided with the hyperacoustic son probe of the hyperacoustic son probe of a plurality of emissions or a plurality of reception in it, and a plurality of son probe is by (two piston shoes away from side) the series arrangement setting laterally of the inboard (sides adjacent of two piston shoes) of a pair of piston shoes 21,31.The described hyperacoustic son probe of each emission and receive hyperacoustic son probe be in pairs respectively correspondence be arranged in first piston shoes 21 and second piston shoes 31, the refraction angle of each antithetical phrase probe equates.And the refraction angle of popping one's head in greater than the son that is arranged on described piston shoes 21,31 outsides (away from side) in the refraction angle that is arranged on the son probe of described piston shoes 21,31 inboards (sides adjacent).
Shown in Fig. 4 A, B, in the present embodiment, be respectively equipped with three son probes 23,24,25,33,34,35 in first piston shoes 21, second piston shoes 31, wherein by the inboard of described two piston shoes 21,31 laterally, described son probe 23,33 constitutes the first pair of identical ultrasonic emitting probe of refraction angles and ultrasound wave receives the son probe; In like manner described son probe 24,34 constitutes the sub-probe of second pair of identical ultrasonic emitting of refraction angle and ultrasound wave receives the son probe; Described son probe 25,35 constitutes the sub-probe of the 3rd pair of identical ultrasonic emitting of refraction angle and ultrasound wave receives the son probe.And refraction angle α 1＞α 2＞α 3 of described in the present embodiment three antithetical phrases probe please cooperate referring to Figure 11.Be arranged on the son probe number in the described piston shoes, can determine according to detecting needs.
Above-mentioned each son probe 23,24,25,33,34,35 can be fixedlyed connected with described piston shoes 21,31 respectively.For easy for installation, also can shown in Fig. 4 A, B, one group of similar son probe be fixed in the sub-probing shell 22,32, the son probe and the shell that will assemble then are fixed in the storage tank 214,314 of described piston shoes 21,31.
In addition, shown in Fig. 5,6,7,8,,, only first piston shoes 21 are described, omit description second piston shoes 31 at this for being symmetrical arranged because two piston shoes structures are identical.Two ends at described first piston shoes 21 are respectively equipped with a through hole 212,213 along short transverse, if described through hole 212 is an inlet opening, another through hole 213 is a vent port, has the caulking groove 211 that is connected with the storage tank 214 of described piston shoes in the bottom surface of described through hole 212,213.Described caulking groove 211 is connected with this two through hole 212,213.Wherein, be connected with feed tube by a feed flow mouth 26 on the described inlet opening 212, and by being arranged on the vent port of the piston shoes other end, make coupling liquid can be full of described caulking groove 211 well and constitute coupling liquid membrane, the height h of preferred described caulking groove 211 is 0.2mm, and promptly described caulking groove 211 is from the inside recessed 0.2mm of the lower surface of piston shoes.
Principle of work of the present utility model is: shown in Fig. 9,10, first probe 2, second probe 3 of steel rail welding line UT (Ultrasonic Testing) of the present utility model with coupling probe contacted with the surface of described rail 4, move detection along the track shown in the A among Fig. 9.By connecting the rotation axis 14 of described piston shoes 21,31 and strap 12,13, make described probe 2,3 can not be subjected to the influence of the shape on rail 4 surfaces, thereby make stable acoustic coupling is arranged in the flaw detection process.
Simultaneously, by feed flow mouth 26 coupling liquid is flowed in the caulking groove 211,311 that is provided with on piston shoes 21,31 lower surfaces by through hole 212, because the other end at piston shoes is provided with another through hole 213 that is communicated with caulking groove, therefore coupling liquid can be full of between described piston shoes 21,31 (probe 2, the 3) caulking groove 211,311 of lower surface and the surface of rail 4 uniformly, and maintaining the liquid film of 0.2mm thickness, this has just guaranteed in the flaw detection process stable acoustic coupling is arranged.
Steel rail welding line UT (Ultrasonic Testing) of the present utility model is applicable to coupling probe and adopts the ultrasonic wave diffraction method on the rail welding plant rail welding streamline or to the flaw detection at the labour steel rail welding line on the rail track, the son probe 23,33,24,34,25,35 of three pairs of different refraction angles is set in first, second probe 2,3, make each antithetical phrase probe have the ultrasonic sound source of different angles, therefore can detect the defective of different depth in the weld seam of rail 4, and the crackle that detects the heat-affected zone, realized that the full section of steel rail welding line detects.For example, can detect steel rail welding line inside more than or equal to 7 square millimeters defective; The degree of depth is more than or equal to 1mm, and length equals the fire check of 5mm.If adapted has the multi-channel digital ultrasonic imaging defectoscope of A, B, three kinds of scannings of D, then can observe directly the weld defects of weld seam inside and two width of cloth X-Y schemes of beat-affected zone crack.Detect accurately, reliable, precision is high, speed is fast and simple to operate.
By with first, second probe 2,3 are symmetricly set on the both sides of bidirectional modulation wheel 17 respectively, during use, as shown in figure 10, center and weld seam centrally aligned with bidirectional modulation wheel 17, make two probes 2, each the antithetical phrase probe that is provided with in 3 equates apart from the distance at weld seam center, therefore can utilize various weld defectss that ultrasonic diffracted wave is found having or not of defective and size, utilize the change-detection upper and lower surface defective and the fire check of straight-through ripple in surface and bottorm echo, fast, accurately, precision ground carries out the inner various defectives of weld seam to the full section of steel rail welding line, and the detection of the crackle of heat-affected zone.
Steel rail welding line UT (Ultrasonic Testing) of the present utility model can either be used for manual flaw detection with coupling probe, also can be applicable to the robotization flaw detection.
When adopting manually flaw detection operation, make described two probes 2,3 move the flaw detection work of finishing along the rail seam by gripping support 1.When needs are adjusted spacing between the described probe 2,3, then rotate described bidirectional modulation wheel 17, realize control to distance between two probes 2,3.
When carrying out the automatic flaw detection operation, by the support 1 of steel rail welding line UT (Ultrasonic Testing) of the present utility model with coupling probe is fixed on the defectoscope (not shown), as fixed part 16 is fixed on the frame of defectoscope, and under the drive of defectoscope, make described two probes 2,3 move the flaw detection work of finishing along the rail seam.When needs are adjusted institute and pop one's head ins spacing between 2,3, by means of above-mentioned tapped gear be arranged on frame on be meshed by motor-driven another gear, realization is to two controls of distance between 2,3 of popping one's head in, thereby can realize the robotization operation of detecting a flaw.
The above only is a specific embodiment of the utility model, can not limit the scope that the utility model is implemented with this; The embodiment that other are feasible, i.e. any variation and the modification of being done according to the utility model claims generally all belongs to the scope of the utility model patent protection.
Claims (10)
1, a kind of steel rail welding line UT (Ultrasonic Testing) coupling probe is characterized in that: described coupling probe has a pair of probe of first on the support and second probe of being arranged on, and one of them is the hyperacoustic probe of emission, and another is to receive hyperacoustic probe; Described first probe and second probe have first piston shoes and second piston shoes respectively, in each piston shoes respectively series arrangement be provided with the hyperacoustic son probe of a plurality of emissions or the hyperacoustic son of a plurality of reception is popped one's head in; The described hyperacoustic son probe of each emission and receive hyperacoustic son probe be in pairs respectively correspondence be arranged in first piston shoes and second piston shoes, the refraction angle of each antithetical phrase probe equates.
2, steel rail welding line UT (Ultrasonic Testing) coupling probe as claimed in claim 1, it is characterized in that: the hyperacoustic son probe of the hyperacoustic son probe of described a plurality of emissions or a plurality of reception is contained in respectively in the storage tank of described first piston shoes or second piston shoes, and described storage tank is provided with along the short transverse perforation of first, second piston shoes.
3, steel rail welding line UT (Ultrasonic Testing) coupling probe as claimed in claim 1 is characterized in that: the refraction angle of son probe that is arranged on described a pair of piston shoes inboard is greater than the refraction angle of the son probe that is arranged on the described a pair of piston shoes outside.
4, steel rail welding line UT (Ultrasonic Testing) coupling probe as claimed in claim 2, it is characterized in that: the two ends of described piston shoes are respectively equipped with a through hole along short transverse, and the bottom surface of described through hole has the caulking groove that is connected with the storage tank of described piston shoes; Wherein a through hole is an inlet opening, and another through hole is a vent port.
5, steel rail welding line UT (Ultrasonic Testing) coupling probe as claimed in claim 4, it is characterized in that: described caulking groove is 0.2mm apart from piston shoes bottom surface height.
6, as each described steel rail welding line UT (Ultrasonic Testing) coupling probe of claim 1 to 5, it is characterized in that: described support has a leading screw at least, first and second probes are pivotally connected with a pair of strap respectively, and described a pair of strap can be connected with described leading screw movably.
7, steel rail welding line UT (Ultrasonic Testing) coupling probe as claimed in claim 6, it is characterized in that: described support also has a guide rod, described guide rod and described leading screw be arranged in parallel, the two ends of described guide rod and leading screw are respectively equipped with a fixed part, and described guide rod is fixedlyed connected with fixed part, and described leading screw can be connected rotationally with fixed part.
8, steel rail welding line UT (Ultrasonic Testing) coupling probe as claimed in claim 6, it is characterized in that: described leading screw is the bidirectional modulation leading screw, a bidirectional modulation wheel that has internal thread matches with described leading screw, and between described first and second probes.
9, steel rail welding line UT (Ultrasonic Testing) coupling probe as claimed in claim 8 is characterized in that: the periphery of described bidirectional modulation wheel is provided with teeth, forms a tapped gear.
10, steel rail welding line UT (Ultrasonic Testing) coupling probe as claimed in claim 7, it is characterized in that: described a pair of strap is fixedlyed connected with a probe contiguous block, this probe contiguous block has a through hole and a threaded hole of parallel axes, described guide rod can be arranged in this through hole slidably, and described leading screw is made of this threaded hole with described probe contiguous block and is threaded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201729122U CN201116920Y (en) | 2007-08-31 | 2007-08-31 | Combined probe used for steel rail welding seam ultrasonic inspection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201729122U CN201116920Y (en) | 2007-08-31 | 2007-08-31 | Combined probe used for steel rail welding seam ultrasonic inspection |
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| Publication Number | Publication Date |
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| CN201116920Y true CN201116920Y (en) | 2008-09-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201729122U Expired - Lifetime CN201116920Y (en) | 2007-08-31 | 2007-08-31 | Combined probe used for steel rail welding seam ultrasonic inspection |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101949896A (en) * | 2010-08-10 | 2011-01-19 | 昆山华得宝检测技术设备有限公司 | Ultrasonic probe assembly and roll ultrasonic detection device using same |
| CN101614703B (en) * | 2009-07-28 | 2011-08-24 | 晋西车轴股份有限公司 | Automated ultrasonic flaw detecting device for track traffic vehicle axles |
| CN102230916A (en) * | 2011-06-10 | 2011-11-02 | 西南交通大学 | Single-transmitter double-receiver working method for ultrasonic flaw detection |
| CN102759576A (en) * | 2011-04-29 | 2012-10-31 | 朱彤 | Method for detecting vertical cracks of rail base triangle areas |
| CN104062362A (en) * | 2013-03-19 | 2014-09-24 | 中国石油天然气股份有限公司 | Ultrasonic detection combined probe for lap weld |
| CN104176077A (en) * | 2014-08-22 | 2014-12-03 | 南车戚墅堰机车有限公司 | Rail flaw detection vehicle for subway |
| CN104280456A (en) * | 2014-10-15 | 2015-01-14 | 南通友联数码技术开发有限公司 | System applied to ultrasonic detection of defects of gas cylinders |
| CN104407116A (en) * | 2014-12-02 | 2015-03-11 | 武汉翰铁科技有限公司 | Steel rail weld seam detection machine and method |
| CN107607621A (en) * | 2017-10-24 | 2018-01-19 | 山东省建筑科学研究院 | A kind of portable building engineering quality detecting meter |
| CN111824206A (en) * | 2019-04-14 | 2020-10-27 | 宋夏子 | In-service steel rail detection device for suburban railway |
| CN114609255A (en) * | 2022-03-21 | 2022-06-10 | 包头钢铁（集团）有限责任公司 | Method for distinguishing influence of steelmaking and rolling reasons on ultrasonic flaw detection result of steel rail |
| CN116106426A (en) * | 2023-02-01 | 2023-05-12 | 番禺珠江钢管（连云港）有限公司 | Tandem scanning probe connecting mechanism for weld joint inspection |
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2007
- 2007-08-31 CN CNU2007201729122U patent/CN201116920Y/en not_active Expired - Lifetime
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101614703B (en) * | 2009-07-28 | 2011-08-24 | 晋西车轴股份有限公司 | Automated ultrasonic flaw detecting device for track traffic vehicle axles |
| CN101949896B (en) * | 2010-08-10 | 2012-08-22 | 昆山华得宝检测技术设备有限公司 | Ultrasonic probe assembly and roll ultrasonic detection device using same |
| CN101949896A (en) * | 2010-08-10 | 2011-01-19 | 昆山华得宝检测技术设备有限公司 | Ultrasonic probe assembly and roll ultrasonic detection device using same |
| CN102759576A (en) * | 2011-04-29 | 2012-10-31 | 朱彤 | Method for detecting vertical cracks of rail base triangle areas |
| CN102230916A (en) * | 2011-06-10 | 2011-11-02 | 西南交通大学 | Single-transmitter double-receiver working method for ultrasonic flaw detection |
| CN104062362B (en) * | 2013-03-19 | 2016-06-08 | 中国石油天然气股份有限公司 | Ultrasonic detection combined probe for lap weld |
| CN104062362A (en) * | 2013-03-19 | 2014-09-24 | 中国石油天然气股份有限公司 | Ultrasonic detection combined probe for lap weld |
| CN104176077A (en) * | 2014-08-22 | 2014-12-03 | 南车戚墅堰机车有限公司 | Rail flaw detection vehicle for subway |
| CN104280456A (en) * | 2014-10-15 | 2015-01-14 | 南通友联数码技术开发有限公司 | System applied to ultrasonic detection of defects of gas cylinders |
| CN104280456B (en) * | 2014-10-15 | 2017-01-25 | 南通友联数码技术开发有限公司 | System applied to ultrasonic detection of defects of gas cylinders |
| CN104407116A (en) * | 2014-12-02 | 2015-03-11 | 武汉翰铁科技有限公司 | Steel rail weld seam detection machine and method |
| CN104407116B (en) * | 2014-12-02 | 2016-03-30 | 武汉翰铁科技有限公司 | A kind of steel rail welding line defectoscope and method of detection |
| CN107607621A (en) * | 2017-10-24 | 2018-01-19 | 山东省建筑科学研究院 | A kind of portable building engineering quality detecting meter |
| CN111824206A (en) * | 2019-04-14 | 2020-10-27 | 宋夏子 | In-service steel rail detection device for suburban railway |
| CN111824206B (en) * | 2019-04-14 | 2023-01-13 | 宋夏子 | In-service steel rail detection device for suburban railway |
| CN114609255A (en) * | 2022-03-21 | 2022-06-10 | 包头钢铁（集团）有限责任公司 | Method for distinguishing influence of steelmaking and rolling reasons on ultrasonic flaw detection result of steel rail |
| CN116106426A (en) * | 2023-02-01 | 2023-05-12 | 番禺珠江钢管（连云港）有限公司 | Tandem scanning probe connecting mechanism for weld joint inspection |
| CN116106426B (en) * | 2023-02-01 | 2023-08-08 | 番禺珠江钢管（连云港）有限公司 | Tandem scanning probe connecting mechanism for weld joint inspection |
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