CN113628520A - Steel rail flaw detection laser simulation teaching device - Google Patents
Steel rail flaw detection laser simulation teaching device Download PDFInfo
- Publication number
- CN113628520A CN113628520A CN202110755440.8A CN202110755440A CN113628520A CN 113628520 A CN113628520 A CN 113628520A CN 202110755440 A CN202110755440 A CN 202110755440A CN 113628520 A CN113628520 A CN 113628520A
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- Prior art keywords
- crack
- organic glass
- screw
- flaw detection
- teaching device
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- 238000004088 simulation Methods 0.000 title claims abstract description 17
- 238000001514 detection method Methods 0.000 title claims abstract description 15
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 14
- 239000010959 steel Substances 0.000 title claims abstract description 14
- 239000011521 glass Substances 0.000 claims abstract description 34
- 230000003760 hair shine Effects 0.000 claims description 11
- 239000011247 coating layer Substances 0.000 claims description 7
- 238000002834 transmittance Methods 0.000 claims description 3
- 239000000523 sample Substances 0.000 abstract description 17
- 230000000694 effects Effects 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 208000002599 Smear Layer Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000001902 propagating effect Effects 0.000 description 1
Images
Classifications
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B25/00—Models for purposes not provided for in G09B23/00, e.g. full-sized devices for demonstration purposes
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- Engineering & Computer Science (AREA)
- Business, Economics & Management (AREA)
- Physics & Mathematics (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Abstract
The invention discloses a steel rail flaw detection laser simulation teaching device which structurally comprises a base, organic glass and an irradiation block, wherein the organic glass is arranged at the upper end of the base, the irradiation block is connected to the upper end of the organic glass and forms a whole with the organic glass, the organic glass comprises a screw hole, a first crack, a second crack, a third crack and a horizontal notch, the irradiation block comprises a rail head transverse hole and a transverse hole crack, a laser beam irradiated by a laser pen penetrates through the organic glass to simulate a propagation path of ultrasonic waves emitted by a zero-degree probe in a steel rail, so that the damage can be found by the reflection principle of ultrasonic wave, and the smearing layer is arranged on the end faces of the first crack, the second crack and the third crack, the laser probe can be used for simulating the ultrasonic probe to simulate the path of ultrasonic waves and discovering the damage condition.
Description
Technical Field
The invention relates to the field of rail flaw detection, in particular to a rail flaw detection laser simulation teaching device.
Background
The utility model provides a rail flaw detection laser simulation teaching device, simulate the propagation of zero degree probe ultrasonic wave in the rail through organic glass rail and laser pen, place the top at organic glass with the laser pen perpendicular downwards in the simulation experiment, make the laser beam can shine organic glass perpendicularly downwards, if the laser beam shines organic glass defective position, then the laser beam can shorten, thereby detect out the crack in the rail, the zero degree probe that corresponds also can shorten if the time that detects the crack propagation, thereby can detect the crack in the rail.
Based on the discovery of the inventor, the conventional steel rail flaw detection laser simulation teaching device mainly has the following defects, for example: when carrying out the simulation experiment through organic glass and zero degree probe, simulate the crack in the rail through the screw, and the crack of rail is level or slope form in fact for the light velocity that the laser beam formed of shining in organic glass has certain difference with the ultrasonic wave that zero number probe shines out, and the laser beam can pierce through in organic glass, and the ultrasonic wave meets the crack then can return on the way, thereby can not simulate out the propagation of ultrasonic wave in the rail completely.
Disclosure of Invention
Aiming at the problems, the invention provides a steel rail flaw detection laser simulation teaching device.
In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a rail flaw detection laser simulation teaching device, its structure includes base, organic glass, shines the piece, the upper end of base is equipped with organic glass, organic glass's upper end is connected with shines the piece, it forms a whole with organic glass to shine the piece, organic glass includes screw, first crack, second crack, third crack, horizontal incision, the screw is equipped with threely, and transverse arrangement in organic glass's terminal surface, first crack connection is in left screw, second crack connection is in the screw that is located the centre, third crack connection is in the screw on right side, horizontal incision sets up the inside side that shines the piece.
Furthermore, the irradiation block comprises a rail head cross hole and a cross hole crack, the rail head cross hole is arranged at the rear end of the irradiation block, and the cross hole crack is located at the front end of the rail head cross hole.
Furthermore, first crack is towards the left lower extreme slope 45 degrees of screw, second crack is towards the upper right end slope of screw, third crack horizontal connection is on the right side of screw.
Furthermore, the end faces of the first cracks, the second cracks and the third cracks are provided with coating layers, and the coating layers do not have light transmittance.
Advantageous effects
Compared with the prior art, the invention has the following beneficial effects:
1. the invention utilizes the penetration of the laser beam irradiated by the laser pen in the organic glass to simulate the propagation path of the ultrasonic wave emitted by the zero-degree probe in the steel rail, thereby finding the damage by the reflection principle of the ultrasonic wave.
2. The invention can prevent laser beams emitted by a laser pen from penetrating through the cracks by arranging the coating layers on the end faces of the first cracks, the second cracks and the third cracks, and can more truly demonstrate that the laser probe simulates the path of ultrasonic waves and finds the damage condition by simulating the ultrasonic probe with the laser probe.
Drawings
Fig. 1 is a schematic structural view of a laser simulation teaching device for rail flaw detection according to the present invention.
FIG. 2 is a schematic side view of the present invention.
Fig. 3 is a schematic front view of the present invention.
Fig. 4 is a schematic top view of the present invention.
In the figure: the rail head comprises a base 1, organic glass 2, an irradiation block 3, a screw hole 21, a first crack 22, a second crack 23, a third crack 24, a horizontal notch 25, a rail head transverse hole 31 and a transverse hole crack 32.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
The first embodiment is as follows: referring to fig. 1-4, the embodiments of the present invention are as follows:
its structure includes base 1, organic glass 2, shines piece 3, the upper end of base 1 is equipped with organic glass 2, organic glass 2's upper end is connected with shines piece 3, shine piece 3 and organic glass 2 and form a whole, organic glass 2 includes screw 21, first crack 22, second crack 23, third crack 24, horizontal incision 25, screw 21 is equipped with threely, and transverse arrangement in organic glass 2's terminal surface, first crack 22 connects in left screw 21, second crack 23 connects in the screw 21 that is located the centre, third crack 24 connects in the screw 21 on right side, horizontal incision 25 sets up the inside side that shines piece 3.
Shine piece 3 including railhead cross bore 31, cross bore crack 32, railhead cross bore 31 sets up in the rear end that shines piece 3, cross bore crack 32 is located the front end of railhead cross bore 31, is favorable to propagating in the rail through laser beam simulation ultrasonic wave, meets railhead cross bore ultrasonic wave propagation direction.
The end faces of the first crack 22, the second crack 23 and the third crack 24 are provided with the coating layers, and the coating layers do not have light transmittance, so that laser beams emitted by a laser pen can be prevented from penetrating through the cracks, and the propagation of zero-degree probe ultrasonic waves in the steel rail can be more truly demonstrated.
Based on the above embodiment, the specific working principle is as follows: because the ultrasonic wave for rail ultrasonic flaw detection is invisible and abstract, the laser probe is used, then the laser is emitted to simulate the propagation path of the ultrasonic wave in the steel rail, so as to find various types of damage in the steel rail, such as screw hole cracks, rail head cross hole simulation, rail head transverse cracks and the like, then the shape and the size of the organic glass 2 are set to be consistent with the size of the damaged steel rail, then the laser probe is used for simulating an ultrasonic probe, the reflection principle of the ultrasonic is used for finding the damage, the first and second cracks 22, 23 and also the third crack 24 can then be used to simulate cracks in the rail, and a smear layer is arranged on the end faces of the first cracks 22 and the second cracks 23 and also the third cracks 24, the laser probe can be used for simulating the ultrasonic probe to simulate the path of ultrasonic waves and discovering the damage condition.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (4)
1. The utility model provides a rail flaw detection laser simulation teaching device, its structure includes base (1), organic glass (2), shines piece (3), the upper end of base (1) is equipped with organic glass (2), the upper end of organic glass (2) is connected with shines piece (3), shine piece (3) and organic glass (2) and form a whole, its characterized in that:
organic glass (2) include screw (21), first crack (22), second crack (23), third crack (24), horizontal incision (25), screw (21) are equipped with threely, and transverse arrangement in the terminal surface of organic glass (2), first crack (22) are connected in left screw (21), second crack (23) are connected in screw (21) that are located the centre, third crack (24) are connected in screw (21) on right side, horizontal incision (25) set up the inside side of shining piece (3).
2. The steel rail flaw detection laser simulation teaching device according to claim 1, characterized in that: shine piece (3) including railhead cross bore (31), cross bore crack (32), railhead cross bore (31) set up the rear end of shining piece (3), cross bore crack (32) are located the front end of railhead cross bore (31).
3. The steel rail flaw detection laser simulation teaching device according to claim 1, characterized in that: the first crack (22) inclines for 45 degrees towards the left lower end of the screw hole (21), the second crack (23) inclines for 45 degrees towards the right upper end of the screw hole (21), and the third crack (24) is horizontally connected to the right side of the screw hole (21).
4. The steel rail flaw detection laser simulation teaching device according to claim 3, characterized in that: the end faces of the first cracks (22), the second cracks (23) and the third cracks (24) are provided with coating layers, and the coating layers do not have light transmittance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110755440.8A CN113628520A (en) | 2021-07-05 | 2021-07-05 | Steel rail flaw detection laser simulation teaching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110755440.8A CN113628520A (en) | 2021-07-05 | 2021-07-05 | Steel rail flaw detection laser simulation teaching device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113628520A true CN113628520A (en) | 2021-11-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110755440.8A Pending CN113628520A (en) | 2021-07-05 | 2021-07-05 | Steel rail flaw detection laser simulation teaching device |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2651873Y (en) * | 2003-07-16 | 2004-10-27 | 太原铁路分局运城工务段 | Analog demonstrating device for steel rail flaw detection |
| CN2724016Y (en) * | 2004-09-01 | 2005-09-07 | 崔志国 | Novel supersonic detector |
| KR20110108645A (en) * | 2010-03-29 | 2011-10-06 | 주식회사 코리아일레콤 | Fire simulation system using leading fire, laser shooting device and sensing device |
| CN111497894A (en) * | 2020-05-26 | 2020-08-07 | 上海市东方海事工程技术有限公司 | Double-rail type high-speed stable ultrasonic flaw detector |
| CN211906605U (en) * | 2020-05-23 | 2020-11-10 | 张涛 | Steel rail flaw detection simulation demonstration device |
| CN112712740A (en) * | 2020-12-15 | 2021-04-27 | 中国铁路北京局集团有限公司唐山工务段 | Steel rail ultrasonic flaw detection simulation method and device |
-
2021
- 2021-07-05 CN CN202110755440.8A patent/CN113628520A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2651873Y (en) * | 2003-07-16 | 2004-10-27 | 太原铁路分局运城工务段 | Analog demonstrating device for steel rail flaw detection |
| CN2724016Y (en) * | 2004-09-01 | 2005-09-07 | 崔志国 | Novel supersonic detector |
| KR20110108645A (en) * | 2010-03-29 | 2011-10-06 | 주식회사 코리아일레콤 | Fire simulation system using leading fire, laser shooting device and sensing device |
| CN211906605U (en) * | 2020-05-23 | 2020-11-10 | 张涛 | Steel rail flaw detection simulation demonstration device |
| CN111497894A (en) * | 2020-05-26 | 2020-08-07 | 上海市东方海事工程技术有限公司 | Double-rail type high-speed stable ultrasonic flaw detector |
| CN112712740A (en) * | 2020-12-15 | 2021-04-27 | 中国铁路北京局集团有限公司唐山工务段 | Steel rail ultrasonic flaw detection simulation method and device |
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Application publication date: 20211109 |