CN201773090U - Ultrasonic flaw detection adapter - Google Patents
Ultrasonic flaw detection adapter Download PDFInfo
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- CN201773090U CN201773090U CN2010202963345U CN201020296334U CN201773090U CN 201773090 U CN201773090 U CN 201773090U CN 2010202963345 U CN2010202963345 U CN 2010202963345U CN 201020296334 U CN201020296334 U CN 201020296334U CN 201773090 U CN201773090 U CN 201773090U
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- flaw detection
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- 238000001514 detection method Methods 0.000 title abstract description 23
- 238000012360 testing method Methods 0.000 claims description 36
- 238000007789 sealing Methods 0.000 abstract description 5
- 239000000523 sample Substances 0.000 description 64
- 101100346171 Arabidopsis thaliana MORC3 gene Proteins 0.000 description 37
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- 101100168607 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) UTR2 gene Proteins 0.000 description 37
- 101100346179 Arabidopsis thaliana MORC7 gene Proteins 0.000 description 12
- PHKJVUUMSPASRG-UHFFFAOYSA-N 4-[4-chloro-5-(2,6-dimethyl-8-pentan-3-ylimidazo[1,2-b]pyridazin-3-yl)-1,3-thiazol-2-yl]morpholine Chemical compound CC=1N=C2C(C(CC)CC)=CC(C)=NN2C=1C(=C(N=1)Cl)SC=1N1CCOCC1 PHKJVUUMSPASRG-UHFFFAOYSA-N 0.000 description 9
- 101100346177 Arabidopsis thaliana MORC5 gene Proteins 0.000 description 9
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- 101000895481 Homo sapiens Corticoliberin Proteins 0.000 description 9
- 210000004907 gland Anatomy 0.000 description 5
- 238000012795 verification Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000035945 sensitivity Effects 0.000 description 3
- 230000008676 import Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 241000271559 Dromaiidae Species 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 239000013068 control sample Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000002604 ultrasonography Methods 0.000 description 1
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Abstract
The utility model discloses an ultrasonic flaw detection adapter. One end of the ultrasonic flaw detection adapter is connected with ultrasonic flaw detection equipment while the other end is connected with a sample shaft or detected hollow shaft. The ultrasonic flaw detection adapter comprises a connecting disc, a connecting barrel and a sealing ring, wherein the connecting disc is disposed at the front end of the adapter, one end of the connecting barrel is arranged on the connecting disc while the other end is connected with the sample shaft or detected hollow shaft through a connecting part, and the sealing ring is disposed at a connection position of the connecting barrel and the end surface of the sample shaft or detected hollow shaft. The ultrasonic flaw detection adapter is complete in types, realizes serialization, mainly aims to realize ultrasonic flaw detection of hollow axles of various domestically-operated motor train units with speed-per-hour higher than 200 kilometers per hour, and can be used for detecting hollow axles of various types of motor train units actually used domestically.
Description
Technical field
The utility model relates to the UT (Ultrasonic Testing) adapter, surpass 200 kilometers/hour rail truck hole-bored axle from end to end especially at speed per hour, when carrying out UT (Ultrasonic Testing), be used to connect the portable tubular shaft ultrasonic test equipment of HAT-M02 and XHAT-M03 type and sample axle or tested hole-bored axle from end to end.
Background technology
Since domestic railway the sixth time speed-raising on April 18th, 2007, " Harmony ", " pioneer number " motor train unit vehicle arrive maintenance for the first time regularly successively.It is the hole-bored axle from end to end of 30～80mm that national railway " Harmony ", " pioneer number " motor train unit vehicle use internal diameter, and every walking 30000～400000km need make regular check on.Because " Harmony ", " pioneer number " axletree of motor train unit are different with traditional axletree, be hole-bored axle from end to end, when adopting the portable tubular shaft ultrasonic test equipment of HAT-M02 and XHAT-M03 type to detect a flaw, the flaw detection surface of contact is the inner hole surface of hole-bored axle from end to end, and because the motor train unit model of present domestic operation is various, and hollow axle end installation accessories complexity, situation is different, so, need the supporting adapter of design, finish the flaw detection operation according to the different inner diameters and the axle head state of national railway " Harmony ", " pioneer number " motor train unit vehicle hole-bored axle from end to end.
The utility model content
(1) technical matters that will solve
Simplify the adapter structure between portable tubular shaft ultrasonic test equipment and sample axle or the tested tubular shaft, make it adaptive, to make things convenient for the maintenance of motor train unit vehicle hole-bored axle from end to end with the motor train unit model.
(2) technical scheme
For achieving the above object, the technical solution of the utility model provides a kind of UT (Ultrasonic Testing) adapter, and an end connects ultrasonic test equipment, and the other end connects sample axle or tested tubular shaft, and it comprises:
Terminal pad is arranged on the front end of described adapter;
Connecting cylinder, an end are arranged on the described terminal pad, and the other end is connected with described sample axle or tested tubular shaft by web member;
O-ring seal is arranged on described connecting cylinder and described sample axle or tested tubular shaft end face junction.
Above-mentioned UT (Ultrasonic Testing) is with in the adapter, is set to be threaded between described terminal pad and the described connecting cylinder, or the interference connection, or be welded to connect.
Above-mentioned UT (Ultrasonic Testing) is with in the adapter, and described connecting cylinder is set to cylindrical drum, and it has cylindrical bore.
Above-mentioned UT (Ultrasonic Testing) is with in the adapter, and described cylindrical bore diameter is set to 30mm, or 60mm, or 65mm, or 80mm.
Above-mentioned UT (Ultrasonic Testing) is with in the adapter, and described O-ring seal is pressed between the two with the power card that is connected between described sample axle or the tested tubular shaft by described connecting cylinder.
Above-mentioned UT (Ultrasonic Testing) is with in the adapter, and described web member is provided with screw thread.
(3) beneficial effect
Technique scheme has following advantage: adapter A wide selection of colours and designs, seriation, the speed per hour that is primarily aimed at present domestic operation surpasses the UT (Ultrasonic Testing) of 200 kilometers/hour various motor train unit hole-bored axles from end to end, according to different automobile types, the design of disalignment type, contained the detection of the domestic actual various model motor train unit tubular shafts that use.
Description of drawings
Fig. 1 a and 1b are respectively the cut-open view and the side views of the utility model CRH1 type sample adapter axis;
Fig. 2 a and 2b are respectively the cut-open view and the side views of the utility model CRH1 type real vehicle adapter knot;
Fig. 3 a and 3b are respectively cut-open view and the side views that the utility model CRH2 type sample axle drags adapter axis (A end);
Fig. 4 a, 4b and 4c are respectively cut-open view, planimetric map and the side views that the utility model CRH2 type sample axle drags adapter axis (B end);
Fig. 5 a, 5b and 5c are respectively cut-open view, planimetric map and the side views of the utility model CRH2 type sample axle moving axis adapter;
Fig. 6 is that the utility model CRH2 type real vehicle adapter (250mm) drags a structure cut-open view of B end;
Fig. 7 is the structure cut-open view of the utility model CRH2 type real vehicle adapter (300mm);
Fig. 8 a and 8b are respectively the cut-open view and the side views of the utility model CRH3 type sample adapter axis;
Fig. 9 a is the planimetric map of the utility model CRH3 type real vehicle adapter, Fig. 9 b be the B-B of Fig. 9 a to cut-open view, Fig. 9 c is that the A-A of Fig. 9 b is to cut-open view;
Figure 10 a is the side view of the utility model CRH5 type sample adapter axis, and Figure 10 b is that the A-A of Figure 10 a is to cut-open view;
Figure 11 a, 11b, 11c are respectively planimetric map, cut-open view and the side views of the utility model CRH5 type real vehicle adapter, and Figure 11 d is that the A-A of Figure 11 b is to cut-open view;
Figure 12 a is the side view of the utility model pioneer sample adapter axis, and Figure 12 b is that the A-A of Figure 12 a is to cut-open view;
Figure 13 a is the cut-open view of the utility model pioneer type real vehicle adapter, and Figure 13 b is that the A-A of Figure 13 a is to cut-open view.
Wherein, 1: terminal pad; 2: connecting cylinder; 3: O-ring seal; 4: web member; 5:CRH2 type protecting sleeve for thread; 6:CRH1 sample axle; 7:CRH1 real vehicle axle; 8:CRH2 sample axle drags an A end; 9:CRH2 sample axle drags a B end; 10:CRH2 sample axle moving axis; 11:CRH3 sample axle and real vehicle axle; 12: bearing gland; 13: pioneer's real vehicle axle.
Embodiment
Below in conjunction with drawings and Examples, embodiment of the present utility model is described in further detail.Following examples are used to illustrate the utility model, but are not used for limiting scope of the present utility model.
In the overhaul of train-set process, need to adopt the portable tubular shaft ultrasonic test equipment of HAT-M02 and XHAT-M03 type to detect hole-bored axle from end to end outside surface and inherent vice, because this defect-detecting equipment requires importing that must the rotating detector of equipment is safe smoothly and withdraws from tested hole-bored axle from end to end, for guaranteeing carrying out smoothly of flaw detection operation, this cover adapter of ad hoc meter.
Described adapter comprises: terminal pad 1, be arranged on the front end of adapter, and be used to connect HAT-M02 type and XHAT-M03 mobile ultrasonic flaw detection equipment; Connecting cylinder 2, endoporus is set to the cylindrical body of Φ 30mm, Φ 60mm, Φ 65mm and Φ 80mm respectively, be used to connect HAT-M02 type and XHAT-M03 mobile ultrasonic flaw detection equipment and sample axle and tested tubular shaft, the detection rotating detector of ultrasonic test equipment is imported and withdraw from tubular shaft smoothly, thereby finish the verification of sample axle and the ultrasound examination work of motor train unit tubular shaft; O-ring seal 3 is arranged on connecting cylinder and sample axle or tested tubular shaft end face junction, is used to prevent to detect a flaw with the oily leakage of coupling; Web member 4 is used for the mechanical connection between adapter and sample axle or tested tubular shaft.
In the present embodiment, adopt between adapter terminal pad 1 and the connecting cylinder 2 to being threaded, or interference connects, or connected mode such as be welded to connect.The terminal pad 1 of adapter can be made integrative-structure with connecting cylinder 2.Adapter O-ring seal 3 is pressed on the tubular shaft end face with the power that is connected between sample axle or the tested tubular shaft by connecting cylinder.The web member 4 of adapter adopts thread connecting mode to be connected with sample axle or tested tubular shaft, and web member can be made integrative-structure with connecting cylinder.
In CRH2 type adapter; also be provided with CRH2 type protecting sleeve for thread 5; be arranged on the spindle nose screw thread place of CRH2 type sample axle and tested tubular shaft, be used for the spindle nose screw thread is implemented protection and guaranteed that ultrasonic probe imports and withdraw from CRH2 type sample axle and tested tubular shaft smoothly.The internal diameter of CRH2 type protecting sleeve for thread is set to 60mm.
The UT (Ultrasonic Testing) that the utility model relates to is divided into two big classes totally ten three kinds of different adapters with adapter according to different automobile types, the disalignment type of the various motor train unit of present domestic operation, has contained the detection of the domestic actual various model motor train unit tubular shafts that use.Its two big class comprises: sample adapter axis and real vehicle adapter, the sample adapter axis is used for HAT-M02 type and XHAT-M03 mobile ultrasonic flaw detection equipment and control sample axle are coupled together, and finishes the sensitivity verification and the hole-bored axle from end to end UT (Ultrasonic Testing) overall process equipment performance stability Discrimination of tubular shaft ultrasonic test equipment; The real vehicle adapter is used for HAT-M02 type and XHAT-M03 mobile ultrasonic flaw detection equipment and real vehicle axle are coupled together, and finishes the UT (Ultrasonic Testing) inspection of real vehicle hole-bored axle from end to end.According to " Harmony " CRH1 type of present national railway operation, CRH2 type, CRH3 type, CRH5 EMUs and " pioneer number " used different hole-bored axles from end to end of motor train unit, the UT (Ultrasonic Testing) that the utility model relates to adapter be divided into again 13 kinds multi-form, be used to connect the sample axle and the tested tubular shaft of HAT-M02 type and XHAT-M03 mobile ultrasonic flaw detection equipment and different automobile types, different inner diameters and axle head state.
Figure of description Fig. 1-13 has provided the utility model UT (Ultrasonic Testing) two included big classes of adapter totally ten three kinds of different adapter structure synoptic diagram respectively.
Shown in Fig. 1 a and 1b, comprise according to the CRH1 type sample adapter axis of a kind of embodiment of the utility model: terminal pad 1 is one to have the disk of Φ 60mm endoporus, and end face is provided with 4 web members 4; O-ring seal 3 is pressed on the sample axial end with the power that is connected that CRH1 sample between centers produces at terminal pad 1 by web member 4.
Shown in Fig. 2 a and 2b, comprise according to the CRH2 type real vehicle adapter of a kind of embodiment of the utility model: terminal pad 1 is threaded with adopting between the connecting cylinder 2; Connecting cylinder 2, endoporus are the cylindrical body of Φ 60mm, are connected with CRH1 real vehicle axle by 4 connectors 4; O-ring seal 3 is pressed on the real vehicle axial end with the power that is connected that CRH1 real vehicle between centers produces at connecting cylinder 2 by connector 4.
Shown in Fig. 3 a and 3b, drag adapter axis (A end) to comprise according to the CRH2 type sample axle of a kind of embodiment of the utility model: terminal pad 1 is threaded with adopting between the connecting cylinder 2; Connecting cylinder 2, endoporus are the cylindrical body of Φ 60mm, and the axle head A with CRH2 sample axle is connected by screw thread; O-ring seal 3 is pressed on the sample axial end with the power of being threaded of sample between centers by connecting cylinder 2; CRH2 type protecting sleeve for thread 5, internal diameter 60mm is used for dragging the axle head A place internal thread of axle to implement protection and guarantee to pop one's head in to pass through smoothly to CRH2 type sample axle.
Shown in Fig. 4 a, 4b and 4c, drag adapter axis (B end) to comprise according to the CRH2 type sample axle of a kind of embodiment of the utility model: terminal pad 1 is threaded with adopting between the connecting cylinder 2; Connecting cylinder 2, endoporus are the cylindrical body of Φ 60mm, and the axle head B with CRH2 sample axle is connected by screw thread; O-ring seal 3 is pressed on the sample axial end with the power of being threaded of sample between centers by connecting cylinder 2; CRH2 type protecting sleeve for thread 5, internal diameter 60mm is used for dragging the axle head B place internal thread of axle to implement protection and guarantee to pop one's head in to pass through smoothly to CRH2 type sample axle.
Shown in Fig. 5 a, 5b and 5c, comprise according to the CRH2 type sample axle moving axis adapter of a kind of embodiment of the utility model: terminal pad 1 is threaded with adopting between the connecting cylinder 2; Connecting cylinder 2, endoporus are the cylindrical body of Φ 60mm, are connected with CRH2 sample axle moving axis by screw thread; O-ring seal 3 is pressed on the sample axial end with the power of being threaded of sample between centers by connecting cylinder 2; CRH2 type protecting sleeve for thread 5, internal diameter 60mm is used for the spindle nose internal thread of CRH2 type sample axle moving axis is implemented protection and guaranteed that probe passes through smoothly.
As shown in Figure 6, the CRH2 type real vehicle adapter (250mm) according to a kind of embodiment of the utility model comprising: terminal pad 1 is threaded with employing between the connecting cylinder 2; Connecting cylinder 2, endoporus are the cylindrical body of Φ 60mm; Web member 4 is pressed on connecting cylinder 2 anterior awl ends on the real vehicle axle center pit conical surface by screw, and plays sealing function; CRH2 type protecting sleeve for thread 5, internal diameter 60mm is used for the spindle nose internal thread of CRH2 type real vehicle moving axis is implemented protection and guaranteed that probe passes through smoothly.The car that CRH2 type real vehicle adapter (250mm) is only applicable to motor train unit drags a B end.
As shown in Figure 7, the CRH2 type real vehicle adapter (300mm) according to a kind of embodiment of the utility model comprising: terminal pad 1 is threaded with employing between the connecting cylinder 2; Connecting cylinder 2, endoporus are the cylindrical body of Φ 60mm; Web member 4 is pressed on connecting cylinder 2 anterior awl ends on the real vehicle axle center pit conical surface by screw, and plays sealing function; CRH2 type protecting sleeve for thread 5, internal diameter 60mm is used for the spindle nose internal thread of CRH2 type real vehicle moving axis is implemented protection and guaranteed that probe passes through smoothly.Fig. 7 is applicable to other axle head except that a car drags a B end in the motor train unit.
Shown in Fig. 8 a and 8b, comprise according to the CRH3 type sample adapter axis of a kind of embodiment of the utility model: terminal pad 1 is one to have the disk of Φ 30mm endoporus, and end face is provided with 4 web members 4; O-ring seal 3, by web member 4 in being connected on the end face that power is pressed on CRH3 type sample axle 11 that terminal pad 1 and CRH3 sample between centers produce.
Shown in Fig. 9 a, 9b and 9c, comprise according to the CRH3 type real vehicle adapter of a kind of embodiment of the utility model: terminal pad 1 is threaded with adopting between the connecting cylinder 2; Connecting cylinder 2, endoporus are the cylindrical body of Φ 30mm, are connected by the bearing gland 12 of 4 connectors 4 with CRH3 type real vehicle axle; O-ring seal 3 is pressed on the bearing gland 12 in the be connected power of connecting cylinder 2 with 12 generations of bearing gland of CRH3 type real vehicle axle by connector 4.During the real vehicle carrying out flaw detection, be in the mechanical attachment state between the bearing gland 12 of CRH3 type real vehicle axle and the CRH3 real vehicle axle 11.
Shown in Figure 10 a and 10b, comprise according to the CRH5 type sample adapter axis of a kind of embodiment of the utility model: terminal pad 1 is one to have the disk of Φ 65mm endoporus, and end face is provided with 3 web members 4; O-ring seal 3, by web member 4 in being connected on the end face that power is pressed on CRH5 type sample axle that terminal pad 1 and CRH5 sample between centers produce.
Shown in Figure 11 a, 11b, 11c and 11d, comprise according to the CRH5 type real vehicle adapter of a kind of embodiment of the utility model: terminal pad 1 is threaded with adopting between the connecting cylinder 2; Connecting cylinder 2, endoporus is the cylindrical body of Φ 65mm, is connected by the hubcap internal thread of front end external thread with CRH5 type real vehicle axle, and drum outer wall is provided with rotating handles, the front portion awl end of connecting cylinder 2 is pressed on the center pit conical surface of CRH5 type real vehicle axle, plays sealing function.
Shown in Figure 12 a and 12b, comprise according to pioneer's sample adapter axis of a kind of embodiment of the utility model: terminal pad 1 is one to have the disk of Φ 80mm endoporus, and end face is provided with 3 web members 4; O-ring seal 3 is defeated tight on the end face of pioneer's sample axle by web member 4 in being connected of terminal pad 1 and the generation of pioneer's sample between centers.
Shown in Figure 13 a and 13b, comprise according to pioneer's real vehicle adapter of a kind of embodiment of the utility model: terminal pad 1 is threaded with adopting between the connecting cylinder 2; Connecting cylinder 2, endoporus are the cylindrical body of Φ 80mm, are connected with pioneer's real vehicle axle 13 by 3 connectors 4.
UT (Ultrasonic Testing) of the present utility model at first couples together adapter and sample axle or tested tubular shaft by web member 4 with adapter in use, and CRH2 type sample axle and tested tubular shaft need be installed CRH2 type protecting sleeve for thread 5 at spindle nose screw thread place; Then HAT-M02 type or XHAT-M03 mobile ultrasonic flaw detection equipment are docked with the terminal pad 1 of adapter front end, the detection rotating detector of ultrasonic test equipment can import or withdraw from sample axle and tested tubular shaft smoothly by connecting cylinder 2, finishes the detection of the differentiation of sensitivity verification of tubular shaft ultrasonic test equipment and stability and tested hole-bored axle from end to end outside surface and inherent vice.
When carrying out UT (Ultrasonic Testing), the portable tubular shaft ultrasonic test equipment of HAT-M02 and XHAT-M03 type and various sample axle or tested motor train unit hole-bored axle from end to end are coupled together with adapter by the utility model UT (Ultrasonic Testing), finish that sensitivity verification of tubular shaft ultrasonic test equipment and stability are differentiated and the detection of tested hole-bored axle from end to end outside surface and inherent vice.
The above only is a preferred implementation of the present utility model; should be understood that; for those skilled in the art; under the prerequisite that does not break away from the utility model know-why; can also make some improvement and replacement, these improvement and replacement also should be considered as protection domain of the present utility model.
Claims (6)
1. UT (Ultrasonic Testing) adapter, an end connects ultrasonic test equipment, and the other end connects sample axle or tested tubular shaft, it is characterized in that, comprising:
Terminal pad is arranged on the front end of described adapter;
Connecting cylinder, an end are arranged on the described terminal pad, and the other end is connected with described sample axle or tested tubular shaft by web member;
O-ring seal is arranged on described connecting cylinder and described sample axle or tested tubular shaft end face junction.
2. UT (Ultrasonic Testing) adapter as claimed in claim 1 is characterized in that, be set to be threaded between described terminal pad and the described connecting cylinder, or interference connects, or is welded to connect.
3. UT (Ultrasonic Testing) adapter as claimed in claim 1 is characterized in that described connecting cylinder is set to cylindrical drum, and it has cylindrical bore.
4. UT (Ultrasonic Testing) adapter as claimed in claim 3 is characterized in that, described cylindrical bore diameter is set to 30mm, or 60mm, or 65mm, or 80mm.
5. UT (Ultrasonic Testing) adapter as claimed in claim 1 is characterized in that, described O-ring seal is pressed between the two with the power card that is connected between described sample axle or the tested tubular shaft by described connecting cylinder.
6. UT (Ultrasonic Testing) adapter as claimed in claim 1 is characterized in that described web member is provided with screw thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202963345U CN201773090U (en) | 2010-08-18 | 2010-08-18 | Ultrasonic flaw detection adapter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202963345U CN201773090U (en) | 2010-08-18 | 2010-08-18 | Ultrasonic flaw detection adapter |
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| Publication Number | Publication Date |
|---|---|
| CN201773090U true CN201773090U (en) | 2011-03-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202963345U Expired - Lifetime CN201773090U (en) | 2010-08-18 | 2010-08-18 | Ultrasonic flaw detection adapter |
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| CN (1) | CN201773090U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102777503A (en) * | 2012-07-18 | 2012-11-14 | 唐山轨道客车有限责任公司 | Bearing pressing cover and hollow axle system |
| CN103645250A (en) * | 2013-12-10 | 2014-03-19 | 合肥华欣自控设备成套有限公司 | Integrated transducer for soft-contact metal defect detection |
| CN104677989A (en) * | 2014-12-15 | 2015-06-03 | 南京拓控信息科技有限公司 | Following type ultrasonic flaw detector for rolling stock wheels |
| CN105486757A (en) * | 2015-12-23 | 2016-04-13 | 南京林城亿轮轨道交通技术有限公司 | Portable flaw detector defect positioning method |
| CN106645398A (en) * | 2016-10-10 | 2017-05-10 | 常州常瑞轨道交通科技有限公司 | Hollow car axle flaw detection connecting structure and adapter for connecting structure |
-
2010
- 2010-08-18 CN CN2010202963345U patent/CN201773090U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102777503A (en) * | 2012-07-18 | 2012-11-14 | 唐山轨道客车有限责任公司 | Bearing pressing cover and hollow axle system |
| CN103645250A (en) * | 2013-12-10 | 2014-03-19 | 合肥华欣自控设备成套有限公司 | Integrated transducer for soft-contact metal defect detection |
| CN104677989A (en) * | 2014-12-15 | 2015-06-03 | 南京拓控信息科技有限公司 | Following type ultrasonic flaw detector for rolling stock wheels |
| CN105486757A (en) * | 2015-12-23 | 2016-04-13 | 南京林城亿轮轨道交通技术有限公司 | Portable flaw detector defect positioning method |
| CN105486757B (en) * | 2015-12-23 | 2018-06-29 | 南京林城亿轮轨道交通技术有限公司 | A kind of portable defectoscope defect positioning method |
| CN106645398A (en) * | 2016-10-10 | 2017-05-10 | 常州常瑞轨道交通科技有限公司 | Hollow car axle flaw detection connecting structure and adapter for connecting structure |
| CN106645398B (en) * | 2016-10-10 | 2023-08-29 | 常州常瑞轨道交通科技有限公司 | Hollow axle flaw detection connection structure and adapter for same |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 100044 Beijing city Haidian District sorghum Bridge Street No. 59 Building No. 2 hospital room 305 Patentee after: Beijing Sheenline Technology Co., Ltd. Address before: 100044 Beijing city Haidian District sorghum Bridge Street No. 59 Building No. 2 hospital room 305 Patentee before: Beijing Sheenline Technology Co.,Ltd. |
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| CX01 | Expiry of patent term |
Granted publication date: 20110323 |
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| CX01 | Expiry of patent term |