CN204101509U - Contactless leakage of fault detecting probe rod of hollow axle - Google Patents
Contactless leakage of fault detecting probe rod of hollow axle Download PDFInfo
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- CN204101509U CN204101509U CN201420433384.1U CN201420433384U CN204101509U CN 204101509 U CN204101509 U CN 204101509U CN 201420433384 U CN201420433384 U CN 201420433384U CN 204101509 U CN204101509 U CN 204101509U
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Abstract
The utility model relates to a kind of contactless leakage of fault detecting probe rod of hollow axle, comprise front end end cover, feeler lever main body and feeler lever support, feeler lever main body is provided with probe placement Baltimore groove, probe placement female part is provided with in probe placement Baltimore groove, the sidewall of probe placement female part is provided with chute, probe placement female part slides in probe placement Baltimore groove, probe placement female part internal fixtion is provided with ultrasonic probe, the surface of probe placement female part is also fixedly connected with probe protection metal framework, probe positioning balance device is also provided with in feeler lever body cavity, feeler lever main body is also provided with ultrasound wave launch and accept eight channel interface, the two ends of feeler lever support are provided with locating ring, electric rotating machine is provided with in feeler lever support cavity, the utility model leaves cavity with hole-bored axle from end to end inner hole wall in ultrasonic probe surface in use, probe long service life, and flaw detection ultrasonic coupling performance is high, can rapid and convenient, accurately hole-bored axle from end to end inside harmfulness fatigue crack and defect are detected.
Description
Technical field
The utility model relates to a kind of detecting devices, particularly relates to a kind of fault detecting probe rod detecting the contactless structure of CRH series motor train unit hole-bored axle from end to end harmfulness fatigue crack and defect existence, effectively can improve ultrasonic coupling performance and extend serviceable life of popping one's head in.
Background technology
Along with the fast development of China's economy and urbanization process, high speed motor car has developed into a kind of main vehicles, the motor-car of current domestic operation mostly uses hole-bored axle from end to end, not only be conducive to alleviating axle weight, improve mechanical property, improve motor train unit traveling comfort and security, and be conducive to the carrying out flaw detection of axletree fatigue failure.
At present, known CRH series motor train unit hole-bored axle from end to end ultrasonic inspection feeler lever mainly contact flaw detection structure, when adopting hole-bored axle from end to end ultrasonic testing apparatus to detect a flaw, hole-bored axle from end to end flaw detection bar stretches in axletree endoporus, flaw detection surface of contact is the inner hole surface of hole-bored axle from end to end, flaw detection bar fits tightly directly to contact with the endoporus of tubular shaft and carries out carrying out flaw detection, this mode is because of reasons such as the coarse and couplant of detection faces are not enough, probe and detection faces form air layer, the ultrasound wave causing probe to be launched cannot be entered hole-bored axle from end to end detect, the final result of detection affecting hole-bored axle from end to end.
This known leakage of fault detecting probe rod of hollow axle is because have employed the probe detection architecture of contact, in long-term frequent use procedure, pop one's head in very easily wear out failure, its inefficacy as the core parts of Ultrasonic Detection finally causes cannot normally working of whole hole-bored axle from end to end flaw detection equipment.
Utility model content
Technical problem to be solved in the utility model how to avoid because of reasons such as the coarse and couplant of detection faces are not enough, ultrasonic probe and detection faces form air layer, the ultrasound wave that causing pops one's head in launches cannot enter hole-bored axle from end to end and detect, and affects the result of detection of hole-bored axle from end to end, how to solve the flaw detection mode of direct contact type, in Long-Time Service process, the probe wear out failure brought, whole hole-bored axle from end to end flaw detection equipment is finally caused normally to work, overcome the shortcoming of prior art, a kind of contactless leakage of fault detecting probe rod of hollow axle is provided, the probe of this fault detecting probe rod is provided with protective device and leaves cavity with hole-bored axle from end to end inner hole wall in ultrasonic probe surface in use, probe long service life, flaw detection ultrasonic coupling performance is high, energy rapid and convenient, accurately hole-bored axle from end to end inside harmfulness fatigue crack and defect are detected, better maintenance hole-bored axle from end to end flaw detection equipment normally works.
In order to solve above technical matters, the utility model provides a kind of contactless leakage of fault detecting probe rod of hollow axle, comprise front end end cover, feeler lever main body and feeler lever support, feeler lever support is connected to the side of feeler lever main body by flange and ball bearing, flange and ball bearing interference fit, ball axle bed is connected with feeler lever main body by screw, and front end end cover to be arranged in feeler lever main body and by screw and Flange joint, wherein:
Feeler lever main body is provided with at least one probe placement Baltimore groove, at least one probe placement female part is provided with in probe placement Baltimore groove, the sidewall of probe placement female part is provided with chute, probe placement female part slides up and down in probe placement Baltimore groove, ultrasonic probe is mounted by means of screws with in probe placement female part, ultrasonic probe is arranged side by side in probe placement female part, the surface of probe placement female part is also fixedly connected with probe protection metal framework, probe is sealed in probe placement female part by probe protection metal framework, probe positioning balance device is also provided with in feeler lever body cavity, what probe positioning balance device was butted on probe placement female part restriction probe placement female part and ultrasonic probe moves up and down scope, feeler lever main body being also provided with ultrasound wave launch and accept eight channel interface is connected for launch and accept ultrasonic signal with Probe Ultrasonic Searching ripple signal line successively,
The two ends of feeler lever support are provided with locating ring, and be provided with electric rotating machine in feeler lever support cavity, be arranged with the collector ring be connected with electric rotating machine by wire outside electric rotating machine, feeler lever support is fixedly connected on feed mechanism by screw away from one end of feeler lever main body.
The technical scheme that the utility model limits further is:
In aforementioned contactless leakage of fault detecting probe rod of hollow axle, couplant supply oil circuit is also provided with in feeler lever body cavity, couplant supply oil circuit one end is connected with fuel tank, the other end and probe placement female part inwall are connected, and feeler lever main body is also provided with and supplies the suitable couplant oil-out of oil circuit with couplant.
In aforementioned contactless leakage of fault detecting probe rod of hollow axle, probe positioning balance device comprises spring and spring strut, and what the bottom that spring strut is positioned at probe placement female part was finally used for limiting ultrasonic probe moves up and down scope.
In aforementioned contactless leakage of fault detecting probe rod of hollow axle; probe protection metal framework is arcuate structure; the cambered surface of under static state probe protection metal framework and ultrasonic probe form the surface gap layer of 2mm; namely ultrasonic probe is lower than probe protection metal framework, and ultrasonic probe is in the inside of probe placement female part.
Probe protection metal framework and probe placement female part is adopted to protect especially to ultrasonic probe, ultrasonic probe and the direct contact friction of hole-bored axle from end to end inner hole wall can be avoided when entering in hole-bored axle from end to end, extend the serviceable life of ultrasonic probe, realize contactless flaw detection;
Probe protection metal framework is arcuate structure, its arcwall face and hole-bored axle from end to end inner hole wall closely cooperate, when ultrasonic probe stretches out, the cavity of 2mm is separated out between ultrasonic probe and hole-bored axle from end to end endoporus, couplant supplies oil circuit by couplant and arrives ultrasonic probe and hole-bored axle from end to end inner hole wall through probe placement female part inwall, realize a kind of immersion UT (Ultrasonic Testing), can rapid and convenient, accurately hole-bored axle from end to end inside harmfulness fatigue crack and defect are detected, better maintain hole-bored axle from end to end flaw detection equipment and normally work;
In aforementioned contactless leakage of fault detecting probe rod of hollow axle, collector ring is metal-graphite brush.
The outer sheathed collector ring of electric rotating machine, electric rotating machine adopts the connected mode of radial collector ring, power supply and signal can be transmitted smoothly from fixed position to position of rotation while continuous rotation, wire is sprained when avoiding ultrasonic probe to rotate, radial collector ring adopts metal-graphite brush, can improve system performance, simplifies system authority, realized the rotating of electric rotating machine by the polarity of change power supply, thus change the sense of rotation of ultrasonic probe.
In aforementioned contactless leakage of fault detecting probe rod of hollow axle, the diameter of feeler lever main body is 30mm or 60-65mm.
The diameter of two profiles number by flange and front end end cover more bring be applicable to different size the flaw detection of hole-bored axle from end to end, applicability is strong, avoids unicity and also saves cost.
The beneficial effects of the utility model are:
The utility model structure is simple, probe-protecting device is adopted to protect especially to ultrasonic probe, ultrasonic probe and the direct contact friction of hole-bored axle from end to end inner hole wall can be avoided when entering in hole-bored axle from end to end, probe protection metal framework is arcuate structure, its arcwall face and hole-bored axle from end to end inner hole wall closely cooperate, ultrasonic probe is sealed in probe placement female part, extends the serviceable life of ultrasonic probe;
Ultrasonic probe is not fixedly mounted in flaw detection main body, ultrasonic probe is arranged in probe placement female part, and can move up and down in probe placement groove with probe placement female part, realize the movement without angle, simultaneously, in conjunction with couplant oil passage, couplant can flow out from flaw detection body cavity and be full of between ultrasonic probe and hole-bored axle from end to end endoporus, whole covering realizes a kind of immersion UT (Ultrasonic Testing), energy rapid and convenient, accurately hole-bored axle from end to end inside harmfulness fatigue crack and defect are detected, better maintenance hole-bored axle from end to end flaw detection equipment normally works,
The utility model adopts electric rotating machine, the rotation of flaw detection main body can be driven, operating personnel are not needed manually to carry out rotation fault detecting probe rod, reduce the labour intensity of operating personnel, more convenient operation, meanwhile, can move rotation with probe placement female part in conjunction with ultrasonic probe and realize detecting a flaw to the detection of hole-bored axle from end to end endoporus each orientation defect, make result of detection more accuracy, guarantee that flaw detection work high-quality completes.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of contactless leakage of fault detecting probe rod of hollow axle of the utility model embodiment;
Fig. 2 is the structure enlarged diagram of part A in Fig. 1;
In figure: 1-front end end cover, 2-feeler lever main body, 3-feeler lever support, 4-flange, 5-probe placement Baltimore groove, 6-probe placement female part, 7-ultrasonic probe, 8-probe protection metal framework, 9-couplant supply oil circuit, 10-couplant oil-out, 11-locating ring.
Embodiment
embodiment 1
The contactless leakage of fault detecting probe rod of hollow axle of the one that the present embodiment provides, structure as illustrated in fig. 1 and 2, comprise front end end cover 1, feeler lever main body 2 and feeler lever support 3, feeler lever support 3 is connected to the side of feeler lever main body 2 by flange 4 and ball bearing, flange 4 and ball bearing interference fit, ball axle bed is connected with feeler lever main body 2 by screw, and front end end cover 1 to be arranged in feeler lever main body 2 and to be connected with flange 4 by screw, wherein:
Feeler lever main body 2 is provided with a probe placement Baltimore groove, four probe placement female parts 6 are provided with in probe placement Baltimore groove 5, the sidewall of probe placement female part 6 is provided with chute, probe placement female part 6 slides up and down in probe placement Baltimore groove 5, ultrasonic probe 7 is mounted by means of screws with in probe placement female part 6, ultrasonic probe 7 is arranged side by side in probe placement female part 6, the surface of probe placement female part 6 is also fixedly connected with probe protection metal framework 8, ultrasonic probe 7 is sealed in probe placement female part 6 by probe protection metal framework 8, probe protection metal framework 8 is arcuate structure, the cambered surface of under static state probe protection metal framework 8 and ultrasonic probe 7 form the surface gap layer of 2mm, namely ultrasonic probe 7 is lower than probe protection metal framework 8, ultrasonic probe 7 is in the inside of probe placement female part 6, probe positioning balance device is also provided with in feeler lever main body 2 cavity, probe positioning balance device comprises spring and spring strut, what the bottom that spring strut is positioned at probe placement female part 6 was finally used for limiting ultrasonic probe 7 moves up and down scope, feeler lever main body 2 being also provided with ultrasound wave launch and accept eight channel interface is connected for launch and accept ultrasonic signal with Probe Ultrasonic Searching ripple signal line successively, couplant supply oil circuit 9 is also provided with in feeler lever main body 2 cavity, couplant supply oil circuit 9 one end is connected with fuel tank, the other end and probe placement female part 6 inwall are connected, feeler lever main body 2 is also provided with the couplant oil-out 9 supplying oil supply 9 road suitable with couplant,
The two ends of feeler lever support 3 are provided with locating ring 11, and locating ring 11 is relatively fixing when feeler lever main body 2 rotates for locating feeler lever support 3, does not produce displacement and causes error; Be provided with electric rotating machine in feeler lever support 3 cavity, be arranged with the collector ring be connected with electric rotating machine by wire outside electric rotating machine, collector ring is metal-graphite brush, and feeler lever support 3 is fixedly connected on feed mechanism by screw away from one end of feeler lever main body 2.
Feeler lever main body 2 of the present utility model can be arranged has two kinds of specifications, and a kind of diameter is 30mm, is applicable to the detection that endoporus is the tubular shaft of 30mm; A kind of diameter is 60-65mm, can be respectively the detection of the tubular shaft of 60mm and 65mm by compatible endoporus by changing front end end cover 1 and flange 4.
During concrete enforcement, feeler lever support 3 is connected on feed mechanism, feed mechanism is connected with hole-bored axle from end to end by adapter, detecting and controlling system drives feeler lever main body 2 along hole-bored axle from end to end endoporus axial feed motion by the motor of feed mechanism, feeler lever main body 2 rotates under electric rotating machine effect in hole-bored axle from end to end endoporus, probe launches ultrasonic pulse signal, it is inner that ultrasound wave enters axletree endoporus, arcuate probe protection metal framework 8 closely cooperates with hole-bored axle from end to end inner hole wall, ultrasonic probe 7 is when mobile also ultrasonic probe 7 in protection metal framework 8 of popping one's head in moves to closest to probe protection metal framework 8, the surface of ultrasonic probe 7 and inner hole wall form the cavity of two millimeters, couplant enters in this closed cavity by the couplant oil-out 10 on couplant supply oil circuit 9 and flaw detection main body 2, carry out a kind of immersion UT (Ultrasonic Testing), detect in all directions, if find transverse defect in testing process, longitudinal defect or inner materials defect, ultrasonic signal reflects and is fed back to control module and display in real time by ultrasound wave launch and accept eight channel interface receiving data transmission system.
In the specific implementation, collector ring is connected with electric rotating machine by wire, the rotation of electric rotating machine finally changes the sense of rotation of ultrasonic probe 7, and it is then be sent to control module by motor encoder feedback signal by radial collector ring and the connector be arranged in feeler lever support 3 to control feeler lever main body that the concrete position of rotation of ultrasonic probe 7 detects.
Fault detecting probe rod of the present utility model is used to detect hole-bored axle from end to end, this fault detecting probe rod leaves cavity with hole-bored axle from end to end inner hole wall in ultrasonic probe 7 surface in use, the serviceable life extending ultrasonic probe 7 is protected by probe protection metal framework 8, form the oil reservoir that is coupled in cavity between ultrasonic probe 7 with hole-bored axle from end to end endoporus and improve ultrasonic coupling performance of detecting a flaw, realize a kind of detection of immersion, energy rapid and convenient, accurately hole-bored axle from end to end inside harmfulness fatigue crack and defect are detected, better maintenance hole-bored axle from end to end flaw detection equipment normally works.
In addition to the implementation, the utility model can also have other embodiments.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop on the protection domain of the utility model requirement.
Claims (7)
1. a contactless leakage of fault detecting probe rod of hollow axle, it is characterized in that: comprise front end end cover (1), feeler lever main body (2) and feeler lever support (3), described feeler lever support (3) is connected to the side of feeler lever main body (2) by flange (4) and ball bearing, described flange (4) and ball bearing interference fit, described ball axle bed is connected with feeler lever main body (2) by screw, described front end end cover (1) is arranged on described feeler lever main body (2) and goes up and be connected with flange (4) by screw, wherein:
Described feeler lever main body (2) is provided with probe placement Baltimore groove (5), probe placement female part (6) is provided with in described probe placement Baltimore groove (5), the sidewall of described probe placement female part (6) is provided with chute, probe placement female part (6) slides in probe placement Baltimore groove (5), described probe placement female part (6) internal fixtion is provided with ultrasonic probe (7), described ultrasonic probe (7) is arranged side by side in probe placement female part (6), the surface of described probe placement female part (6) is also fixedly connected with probe protection metal framework (8), probe positioning balance device is also provided with in described feeler lever main body (2) cavity, described probe positioning balance device is butted on the moving range of probe placement female part (6) restriction probe placement female part (6) and ultrasonic probe (7), described feeler lever main body (2) is also provided with ultrasound wave launch and accept eight channel interface for launch and accept ultrasonic signal,
The two ends of described feeler lever support are provided with locating ring (11), be provided with electric rotating machine, be arranged with the collector ring be connected with electric rotating machine by wire outside described electric rotating machine in described feeler lever support (3) cavity.
2. contactless leakage of fault detecting probe rod of hollow axle according to claim 1, it is characterized in that: in described feeler lever main body (2) cavity, be also provided with couplant supply oil circuit (9), described couplant supply oil circuit (9) one end is connected with fuel tank, the other end and probe placement female part (6) inwall are connected, and feeler lever main body (2) are also provided with the couplant oil-out (10) supplying oil supply (9) road suitable with couplant.
3. contactless leakage of fault detecting probe rod of hollow axle according to claim 1, is characterized in that: described probe positioning balance device comprises spring and spring strut, and described spring strut is positioned at the bottom of probe placement female part (6).
4. contactless leakage of fault detecting probe rod of hollow axle according to claim 1; it is characterized in that: described probe protection metal framework (8) is arcuate structure, under static state probe protects the cambered surface of metal framework (8) and ultrasonic probe (7) to form the surface gap layer of 2mm.
5. contactless leakage of fault detecting probe rod of hollow axle according to claim 1, is characterized in that: described collector ring is metal-graphite brush.
6. the contactless leakage of fault detecting probe rod of hollow axle according to the arbitrary claim of claim 1-5, is characterized in that: the diameter of described feeler lever main body (2) is 30mm.
7. the contactless leakage of fault detecting probe rod of hollow axle according to the arbitrary claim of claim 1-5, is characterized in that: the diameter of described feeler lever main body (2) is 60-65mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420433384.1U CN204101509U (en) | 2014-08-01 | 2014-08-01 | Contactless leakage of fault detecting probe rod of hollow axle |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420433384.1U CN204101509U (en) | 2014-08-01 | 2014-08-01 | Contactless leakage of fault detecting probe rod of hollow axle |
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| CN204101509U true CN204101509U (en) | 2015-01-14 |
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| CN201420433384.1U Active CN204101509U (en) | 2014-08-01 | 2014-08-01 | Contactless leakage of fault detecting probe rod of hollow axle |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105067704A (en) * | 2015-08-11 | 2015-11-18 | 北京新联铁科技股份有限公司 | Flaw detection system for hollow axle and flaw detection method |
| 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 |
| CN106198761A (en) * | 2016-08-31 | 2016-12-07 | 北京主导时代科技有限公司 | A kind of hollow axle ultrasonic examination probe device |
| CN106324683A (en) * | 2016-09-08 | 2017-01-11 | 山东大学 | Acoustic wave device and method for metro shield tunnel front boulder detection |
| CN108627574A (en) * | 2017-03-24 | 2018-10-09 | 空中客车运营简化股份公司 | For endoporus equipped with the ultrasonic probe and its method of adjustment for coupling support element |
| CN109187765A (en) * | 2018-10-09 | 2019-01-11 | 杨燕娜 | A kind of ultrasound detection metal spy damage device |
| CN113484414A (en) * | 2021-07-01 | 2021-10-08 | 上海市市政公路工程检测有限公司 | Method for surveying gaps of inner wall of closed body |
| CN113671034A (en) * | 2021-08-23 | 2021-11-19 | 安徽安吉特轨道交通科技有限公司 | Ultrasonic flaw detection device suitable for hollow axle |
-
2014
- 2014-08-01 CN CN201420433384.1U patent/CN204101509U/en active Active
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105067704A (en) * | 2015-08-11 | 2015-11-18 | 北京新联铁科技股份有限公司 | Flaw detection system for hollow axle and flaw detection method |
| CN105067704B (en) * | 2015-08-11 | 2018-02-06 | 北京新联铁集团股份有限公司 | Hole-bored axle from end to end fault detection system and method for detection |
| 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 |
| CN106198761A (en) * | 2016-08-31 | 2016-12-07 | 北京主导时代科技有限公司 | A kind of hollow axle ultrasonic examination probe device |
| CN106324683A (en) * | 2016-09-08 | 2017-01-11 | 山东大学 | Acoustic wave device and method for metro shield tunnel front boulder detection |
| CN108627574A (en) * | 2017-03-24 | 2018-10-09 | 空中客车运营简化股份公司 | For endoporus equipped with the ultrasonic probe and its method of adjustment for coupling support element |
| CN109187765A (en) * | 2018-10-09 | 2019-01-11 | 杨燕娜 | A kind of ultrasound detection metal spy damage device |
| CN109187765B (en) * | 2018-10-09 | 2020-12-29 | 南通宇翔金属制品有限公司 | Ultrasonic detection metal detection damage detection device |
| CN113484414A (en) * | 2021-07-01 | 2021-10-08 | 上海市市政公路工程检测有限公司 | Method for surveying gaps of inner wall of closed body |
| CN113671034A (en) * | 2021-08-23 | 2021-11-19 | 安徽安吉特轨道交通科技有限公司 | Ultrasonic flaw detection device suitable for hollow axle |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
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Effective date of registration: 20200327 Address after: No. 2, Xiu Yu Road, Binjiang Development Zone, Jiangning District, Nanjing, Jiangsu Patentee after: NANJING DIKAI ELECTRICAL AUTOMATION Co.,Ltd. Address before: 32, No. 1, No. 211100, Jishan Avenue, Jiangning economic and Technological Development Zone, Jiangsu, Nanjing Patentee before: NANJING E-RIM TECHNOLOGY Co.,Ltd. |
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| TR01 | Transfer of patent right |
Effective date of registration: 20200709 Address after: No.43, Xingmin North Road, Jiangning District, Nanjing City, Jiangsu Province Patentee after: Nanjing Zhongcheng Yilun Rail Transit Technology Co.,Ltd. Address before: No. 2, Xiu Yu Road, Binjiang Development Zone, Jiangning District, Nanjing, Jiangsu Patentee before: NANJING DIKAI ELECTRICAL AUTOMATION Co.,Ltd. |
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Effective date of registration: 20221107 Granted publication date: 20150114 |
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