LU500039B1 - New Instrument for Detecting the Characteristics of Cracks and Spallings on Rail Surface - Google Patents

New Instrument for Detecting the Characteristics of Cracks and Spallings on Rail Surface Download PDF

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Publication number
LU500039B1
LU500039B1 LU500039A LU500039A LU500039B1 LU 500039 B1 LU500039 B1 LU 500039B1 LU 500039 A LU500039 A LU 500039A LU 500039 A LU500039 A LU 500039A LU 500039 B1 LU500039 B1 LU 500039B1
Authority
LU
Luxembourg
Prior art keywords
mobile trolley
detection
cracks
fixedly connected
mobile
Prior art date
Application number
LU500039A
Other languages
German (de)
Inventor
Lianshuai Zhang
Shaofeng Wang
Qipeng Xiao
Qingjie Liu
Zuohui Zhu
Original Assignee
Univ East China Jiaotong
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Filing date
Publication date
Application filed by Univ East China Jiaotong filed Critical Univ East China Jiaotong
Priority to LU500039A priority Critical patent/LU500039B1/en
Application granted granted Critical
Publication of LU500039B1 publication Critical patent/LU500039B1/en

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B61RAILWAYS
    • B61DBODY DETAILS OR KINDS OF RAILWAY VEHICLES
    • B61D15/00Other railway vehicles, e.g. scaffold cars; Adaptations of vehicles for use on railways
    • B61D15/08Railway inspection trolleys
    • B61D15/12Railway inspection trolleys power propelled
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B61RAILWAYS
    • B61KAUXILIARY EQUIPMENT SPECIALLY ADAPTED FOR RAILWAYS, NOT OTHERWISE PROVIDED FOR
    • B61K9/00Railway vehicle profile gauges; Detecting or indicating overheating of components; Apparatus on locomotives or cars to indicate bad track sections; General design of track recording vehicles
    • B61K9/08Measuring installations for surveying permanent way
    • B61K9/10Measuring installations for surveying permanent way for detecting cracks in rails or welds thereof
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84Systems specially adapted for particular applications
    • G01N21/88Investigating the presence of flaws or contamination
    • G01N21/8851Scan or image signal processing specially adapted therefor, e.g. for scan signal adjustment, for detecting different kinds of defects, for compensating for structures, markings, edges
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84Systems specially adapted for particular applications
    • G01N21/88Investigating the presence of flaws or contamination
    • G01N21/95Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
    • G01N21/9515Objects of complex shape, e.g. examined with use of a surface follower device
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84Systems specially adapted for particular applications
    • G01N21/88Investigating the presence of flaws or contamination
    • G01N21/95Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
    • G01N21/9515Objects of complex shape, e.g. examined with use of a surface follower device
    • G01N2021/9518Objects of complex shape, e.g. examined with use of a surface follower device using a surface follower, e.g. robot

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  • Engineering & Computer Science (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Signal Processing (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Transportation (AREA)
  • A Measuring Device Byusing Mechanical Method (AREA)

Abstract

The utility model discloses a new instrument for detecting the characteristics of cracks and spallings on rail surface, including a mobile trolley and a detection column. One side of the mobile trolley is welded with a handle, and the bottom corners of the mobile trolley are fixedly connected with a mobile wheel. The bottom corners of the mobile trolley are set with a horizontal wheel on the side close to each other of the four mobile wheels. Two detection columns are set up, which are welded on both sides of the upper end of the mobile trolley, and they are sliding connected with a side rod on the side far away from each other. It is very convenient to detect the surface of the rail by setting the mobile trolley and the protractor, and moving the trolley to the rail that needs to be detected.

Description

DESCRIPTION New Instrument for Detecting the Characteristics of Cracks and Spallings on Rail Surface
TECHNICAL FIELD The utility model relates to the technical field of rail detection instrument, and specifically relates to a new instrument for detecting the characteristics of cracks and spallings on rail surface.
BACKGROUND Rail is an important part of railway track. During the use of rail, cracks, spallings, and falling blocks may occur on the surface due to pressure and friction. Therefore, it is necessary to detect the rail surface regularly to improve safety.
In the prior art, when the steel rail is inspected, a transparent protractor is generally manually placed on the surface of the steel rail, and the length and angle of cracks can be seen according to the scale, but the work efficiency is slow and the inspection is troublesome. Or the camera is integrated on the rail inspection vehicle, but this shooting method cannot directly and simply capture the characteristics of cracks or spallings.
SUMMARY The technical problem to be solved by the utility model is that when the rail is inspected, the transparent protractor is generally manually placed on the rail surface, and the length and angle of the crack can be seen according to the scale, but the work efficiency is slow and the inspection is troublesome, so a new instrument for detecting the characteristics of cracks and spallings on rail surface is provided.
The technical scheme adopted by the utility model to solve the technical problems is as follows:
A new instrument for detecting the characteristics of cracks and spallings on rail surface, which is characterized in that it comprises a mobile trolley and a detection column. One side of the mobile trolley is welded with a handle, four corners of the bottom end of the mobile trolley are fixedly connected with mobile wheels, and transverse wheels are movably connected with the four corners of the bottom end of the mobile trolley on one side where the four mobile wheels are close to each other; each transverse wheel is arranged on the inner side surface of the detection slide rail, each transverse wheel transversely moves and is fixed left and right within a certain range; two detection columns are arranged, the two detection columns are respectively welded on both sides of the upper end of the mobile trolley, and the opposite side of the two detection columns is slidably connected with a side rod. Bottom rods are welded on the lower sides of the opposite ends of the two side rods, the lower ends of the bottom rods are fixedly connected with a transparent protractor, and a mobile power supply is installed on the mobile trolley.
Preferably, the inner part of the detection column is provided with an inner cavity, the inner cavity is provided with a regulating mechanism, the regulating mechanism includes a motor, the motor is fixedly connected to the top cavity wall of the inner cavity, the output end of the motor is fixedly connected to the screw, the lower end of the screw is rotated and connected to the bottom cavity wall of the inner cavity, the screw is thread connected to the moving block, the moving blocks are slidably connected to the interior of the corresponding detection column, the two relatively far sides of the moving blocks are fixedly connected with the side rods, the two sides of the detection columns away from each other are provided with openings, and the side rods penetrate through the openings of the corresponding detection columns and extend to the outside of the detection columns.
Further, the middle part of the surface of the transparent protractor is provided with an angle scale, and one side and two ends of the surface of the transparent protractor are provided with length scales.
The upper part of the two detection columns far away from each other is equipped with a camera mechanism, and the camera mechanism includes a support rod. The two support rods are welded on the upper surface of the two detection columns far away from each other, and the lower side of the end of the two support rods far away from each other is connected with a camera by bolt fixation. The bottom end of each support rod and the side far away from each other are connected with a LED light source by bolt fixation And the middle part of the top of the mobile trolley is fixedly connected with the display screen through the connecting rod, and the end of the camera is fixedly connected with the connection line. The two cameras are electrically connected with the display screen through the corresponding connection line.
The utility model has the following advantages:
1. By setting the mobile trolley and protractor, that is, when the mobile trolley moves to the rail to be inspected, the surface of the rail can be inspected by the protractor, which is very convenient.
2. By setting the regulating mechanism, that is, according to the rail height position on both sides of the trolley, the transparent protractor is driven to move down, which can make the transparent protractor contact the rail surface and make the measurement data more accurate.
3. By setting the camera and the display screen, the camera takes pictures of the measured data of the transparent protractor, and then transmits the data to the display screen, which can clearly observe the angle and length of the rail surface crack and improve the work efficiency.
BRIEF DESCRIPTION OF THE FIGURES Fig. 1 is the schematic diagram of the main view cutting structure of the new instrument for detecting the characteristics of cracks and spallings on rail surface of a preferred embodiment of the utility model; Fig. 2 is the sectional structure diagram of a detection column of the new instrument for detecting the characteristics of cracks and spallings on rail surface of a preferred embodiment of the utility model; Fig. 3 is the structural schematic diagram of a new angle measuring device of the new instrument for detecting the characteristics of cracks and spallings on rail surface of a preferred embodiment of the utility model.
Description of Symbols: 1. Mobile trolley; 2. Detection column; 3. Inner cavity; 4. Regulating mechanism; 41. Motor; 42. Screw; 43. Moving block; 5. Side rod; 6. Bottom rod; 7. Transparent protractor; 8. Camera mechanism; 81. Support rod; 82. Camera; 9. Display screen; 10. Connecting line; 11. LED light source; 12. Handle; 13. Transverse wheel.
DESCRIPTION OF THE INVENTION The technical scheme of the utility model will be described clearly and completely with reference to the attached drawings. In the description of the utility model, it should be noted that the orientation or position relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner" and "outer" are based on the orientation or position relationships shown in the drawings, which are only for convenience of describing the utility model and simplifying the description, but not for indication or position In addition, the terms "first", "second" and "third" are only used for descriptive purposes, and cannot be understood as indicating or implying the importance of being opposite to each other.
In the description of the utility model, it should be noted that unless otherwise specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, they can be fixed connection, detachable connection or integrated connection; It can be connected mechanically or electrically. It can be directly connected, indirectly connected through an intermediate medium, or communicated inside two elements. For ordinary technicians in the field, the specific meanings of the above terms in the utility model can be understood in specific situations.
The utility model will be further explained with reference to the attached drawings.
Please refer to Figure 1-3, the utility model provides the following technical solution: A new instrument for detecting the characteristics of cracks and spallings on rail surface, which comprises a mobile trolley 1 and a detection column 2. One side of the mobile trolley 1 is welded with a handle 12, four corners of the bottom end of the mobile trolley 1 are fixedly connected with mobile wheels, and transverse wheels 13 are movably connected with the four corners of the bottom end of the mobile trolley 1 on one side where the four mobile wheels are close to each other; each transverse wheel 13 is arranged on the inner side surface of the detection slide rail, each transverse wheel 13 transversely moves and 1s fixed left and right within a certain range; two detection columns 2 are arranged, the two detection columns 2 are respectively welded on both sides of the upper end of the mobile trolley 1, and the opposite side of the two detection columns 2 is slidably connected with a side rod 5. Bottom rods 6 are welded on the lower sides of the opposite ends of the two side rods 5, the lower ends of the bottom rods 6 are fixedly connected with a transparent protractor 7, and a mobile power supply is installed on the mobile trolley 1.
The inner part of the detection column 2 is provided with an inner cavity 3, the inner cavity 3 is provided with a regulating mechanism 4, the regulating mechanism 4 includes a motor 41, the motor 41 is fixedly connected to the top cavity wall of the inner cavity 3, the output end of the motor 41 is fixedly connected to the screw 42, the lower end of the screw 42 is rotated and connected to the bottom cavity wall of the inner cavity 3, the screw 42 1s thread connected to the moving block 43, the moving block 43 is slidably connected to the corresponding detection column 2, the two moving blocks 43 are fixedly connected to the side rod 5 relative to the side away from each other, the two detection columns 2 are opened on the side away from each other, and the side rod 5 runs through the corresponding detection column 2. According to the position of the rail on both sides of the car, the motor 41 of the regulating mechanism 4 is opened to drive the screw 42 to rotate, so that the moving block 43 is moved down on the surface of the screw 42, and the side rod 5 and the transparent protractor 7 are moved down, so that the transparent protractor 7 contacts and fits the rail surface, and the measurement data are more accurate.
The middle part of the surface of the transparent protractor 7 is provided with an angle scale, and one side and two ends of the surface of the transparent protractor 7 are provided with length scales. The length and angle of the car surface crack can be accurately measured by transparent protractor 7, and the transparent material of the angler enables the camera 82 to clearly grasp the measurement data.
The middle part of the top end of the mobile trolley 1 is fixedly connected with a display screen 9 through a connecting rod, and the ends of the cameras 82 are fixedly connected with connecting lines 10. Both cameras 82 are electrically connected with the display screen 9 through corresponding connecting lines 10, and the cameras 82 transmit data to the display screen 9, so that the angle and length of cracks on the rail surface can be clearly observed.
The upper part of the two detection columns 2 far away from each other 1s equipped with a camera mechanism 8, and the camera mechanism 8 includes a support rod 81. The two support rods 81 are welded on the upper surface of the two detection columns 2 far away from each other, and the lower side of the end of the two support rods 81 far away from each other is connected with a camera 82 by bolt fixation. The bottom end of each support rod 81 and the side far away from each other are connected with a LED light source 11 by bolt fixation. The camera 82 can take pictures of the measured data of the transparent protractor 7 and accurately record the data. The LED light source can facilitate the camera 82 to take pictures at night.
Specifically, when in use, the detection column 2 at the upper end is driven to move between rails by the movement of the mobile trolley 1, and stops moving when moving to the rail to be detected. According to the rail position of height on both sides of the trolley, the motor 41 of the regulating mechanism 4 1s turned on to drive the screw rod 42 to rotate, so that the moving block 43 moves down on the surface of the screw rod 42, and the side rod 5 and the transparent protractor 7 move down, so that the transparent protractor 7 contacts the rail surface and the measurement data is more accurate. At the same time, the camera 82 takes pictures of the measurement data of the transparent protractor 7, and the camera 82 transmits the data to the display screen 9, so that the angle and length of cracks on the rail surface can be clearly observed.
The above 1s only the preferred embodiment of this utility model. It should be pointed out that for ordinary technicians in this technical field, without departing from the principle of this utility model, some improvements and embellishments can be made, which should also be regarded as the protection scope of this utility model.
Other parts of the utility model which are not detailed belong to the prior art, so they will not be described here.
Finally, it should be noted that the above embodiments are only used to illustrate the technical scheme of the utility model, but not to limit it; Although the utility model has been described in detail with reference to the aforementioned embodiments, those of ordinary skill in the art should understand that the technical solutions described in the aforementioned embodiments can still be modified, or some or all of the technical features can be equivalently replaced; However, these modifications or substitutions do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of each embodiment of the utility model.

Claims (5)

CLAIMS:
1. À new instrument for detecting the characteristics of cracks and spallings on rail surface, which is characterized in that it comprises a mobile trolley (1) and a detection column (2); one side of the mobile trolley (1) is welded with a handle (12), four corners of the bottom end of the mobile trolley (1) are fixedly connected with mobile wheels, and transverse wheels (13) are movably connected with the four corners of the bottom end of the mobile trolley (1) on one side where the four mobile wheels are close to each other; each transverse wheel (13) is arranged on the inner side surface of the detection slide rail, each transverse wheel (13) transversely moves and is fixed left and right within a certain range; two detection columns (2) are arranged, the two detection columns (2) are respectively welded on both sides of the upper end of the mobile trolley (1), and the opposite side of the two detection columns (2) is slidably connected with a side rod (5); bottom rods (6) are welded on the lower sides of the opposite ends of the two side rods (5), the lower ends of the bottom rods (6) are fixedly connected with a transparent protractor (7), and a mobile power supply is installed on the mobile trolley (1).
2. The new instrument for detecting the characteristics of cracks and spallings on rail surface according to claim 1, which is characterized in that the inner part of the detection column (2) is provided with an inner cavity (3), the inner cavity (3) is provided with a regulating mechanism (4), the regulating mechanism (4) includes a motor (41), the motor (41) 1s fixedly connected to the top cavity wall of the inner cavity (3), the output end of the motor (41) is fixedly connected to the screw (42), the lower end of the screw (42) is rotated and connected to the bottom cavity wall of the inner cavity (3), the screw (42) 1s thread connected to the moving block (43), the moving blocks (43) are slidably connected to the interior of the corresponding detection column (2), the two relatively far sides of the moving blocks (43) are fixedly connected with the side rods (5), the two sides of the detection columns (2) away from each other are provided with openings, and the side rods (5) penetrate through the openings of the corresponding detection columns (2) and extend to the outside of the detection columns (2).
3. The new instrument for detecting the characteristics of cracks and spallings on rail surface according to claim 1, which is characterized in that the middle part of the surface of the transparent protractor (7) is provided with an angle scale, and one side and two ends of the surface of the transparent protractor (7) are provided with length scales.
4. The new instrument for detecting the characteristics of cracks and spallings on rail surface according to claim 1, which is characterized in that the upper part of the two detection columns (2) far away from each other is equipped with a camera mechanism (8), and the camera mechanism (8) includes a support rod (81); the two support rods (81) are welded on the upper surface of the two detection columns (2) far away from each other, and the lower side of the end of the two support rods (81) far away from each other is connected with a camera (82) by bolt fixation; the bottom end of each support rod (81) and the side far away from each other are connected with a LED light source (11) by bolt fixation.
5. The new instrument for detecting the characteristics of cracks and spallings on rail surface according to claim 1, which is characterized in that the middle part of the top of the mobile trolley (1) is fixedly connected with the display screen (9) through the connecting rod, and the end of the camera (82) is fixedly connected with the connection line (10); the two cameras (82) are electrically connected with the display screen (9) through the corresponding connection line (10).
LU500039A 2021-04-14 2021-04-14 New Instrument for Detecting the Characteristics of Cracks and Spallings on Rail Surface LU500039B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
LU500039A LU500039B1 (en) 2021-04-14 2021-04-14 New Instrument for Detecting the Characteristics of Cracks and Spallings on Rail Surface

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
LU500039A LU500039B1 (en) 2021-04-14 2021-04-14 New Instrument for Detecting the Characteristics of Cracks and Spallings on Rail Surface

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LU500039B1 true LU500039B1 (en) 2021-10-14

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LU500039A LU500039B1 (en) 2021-04-14 2021-04-14 New Instrument for Detecting the Characteristics of Cracks and Spallings on Rail Surface

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116152237A (en) * 2023-04-18 2023-05-23 中铁四局集团有限公司 Method and system for detecting flaking and falling blocks of steel rail

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116152237A (en) * 2023-04-18 2023-05-23 中铁四局集团有限公司 Method and system for detecting flaking and falling blocks of steel rail

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Effective date: 20211014