CN210063004U - Portable steel rail abrasion and profile detection device - Google Patents
Portable steel rail abrasion and profile detection device Download PDFInfo
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- CN210063004U CN210063004U CN201920653793.5U CN201920653793U CN210063004U CN 210063004 U CN210063004 U CN 210063004U CN 201920653793 U CN201920653793 U CN 201920653793U CN 210063004 U CN210063004 U CN 210063004U
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- rail
- bracket
- bracket portion
- profile detection
- profile
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- 238000001514 detection method Methods 0.000 title claims abstract description 64
- 229910000831 Steel Inorganic materials 0.000 title abstract description 35
- 239000010959 steel Substances 0.000 title abstract description 35
- 238000005299 abrasion Methods 0.000 title abstract description 19
- 238000006073 displacement reaction Methods 0.000 claims abstract description 44
- 230000004308 accommodation Effects 0.000 claims abstract description 3
- 230000001154 acute Effects 0.000 claims description 3
- 238000010030 laminating Methods 0.000 abstract 1
- 238000005452 bending Methods 0.000 description 5
- 239000000203 mixture Substances 0.000 description 4
- 238000005259 measurement Methods 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006011 modification reaction Methods 0.000 description 2
- 230000000875 corresponding Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000000789 fastener Substances 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 238000004642 transportation engineering Methods 0.000 description 1
Abstract
The utility model relates to a portable rail wearing and tearing and profile detection device, including support, reference piece, a plurality of displacement meter and data acquisition memory, during the detection, hand-held device is close to the rail gradually, makes rail face, lateral surface and the medial surface of rail stretch into the accommodation space of support from the entrance of support in, makes the laminating of reference piece on the lateral surface of rail, confirms the one end of displacement meter and the rail face and/or the medial surface elastic contact of rail. And moving along the extending direction of the steel rail for detection, and acquiring detection data stored by a memory. Because the device is moved along the extending direction of the steel rail during detection, and the number of the displacement meters is multiple, and the displacement meters are adjacent to and/or opposite to the reference piece, the displacement meters can be used for continuously detecting the abrasion condition of the rail surface and/or the inner side surface of the steel rail at multiple points and also can be used for detecting the three-dimensional profile change of the steel rail.
Description
Technical Field
The utility model relates to a track detects technical field, especially relates to a portable rail wearing and tearing and profile detection device.
Background
With the rapid development of railways in China, the line transportation volume is increasing day by day, and no matter heavy haul railways or high speed railways, the steel rail abrasion in different degrees appears, and the abrasion types are complex comprehensively.
The rail wear is increasingly serious, so that rolling stock and rail structures generate violent vibration and the rail is greatly damaged. The irregularities in the rail surface cause a sharp increase in wheel-rail forces, thereby shortening the service life of the rail and rolling stock related components. In addition, the lower ballast bed and the roadbed are seriously damaged due to abrasion and uneven surface (such as pulverized ballast, hardened ballast bed, loose fasteners and the like), so that the damage rate of each part of the line is increased, the maintenance workload and cost of a service department are greatly increased, the running resistance of a train is increased, and even more, the breakage of a steel rail and an axle is caused, and the running safety is endangered. Meanwhile, noise and vibration caused by serious abrasion of the steel rail and uneven surface can cause discomfort to passengers, and the riding environment and the life of residents along the rail are affected.
Therefore, the wear condition and the profile detection of the steel rail are more and more important and frequent, and no matter a front-line maintenance worker or a scientific research worker, the profile of the steel rail needs to be detected regularly, so that a basis is provided for the research, evaluation, maintenance and replacement of the wear of the steel rail.
However, the conventional detection device for detecting the abrasion of the steel rail can only detect the abrasion amount of two points in the vertical direction and the transverse direction, so that the detection precision is not enough; or the detection is not portable enough, and only the steel rail profile of a single section can be detected.
Disclosure of Invention
In view of the above, it is desirable to provide a portable rail wear and profile detection device that continuously and multipoint detects rail wear and three-dimensional profile changes.
A portable rail wear and profile detection device, comprising:
a bracket formed with an accommodating space and an inlet communicated with each other;
the reference piece is arranged on the bracket and is positioned in the accommodating space;
the displacement meters are arranged on the bracket at intervals, are adjacent to and/or opposite to the reference part, and extend into the accommodating space; and
and the data acquisition memory is electrically connected with the displacement meter and is used for storing the detection data transmitted by the displacement meter.
In one embodiment, the device further comprises a rotary encoder, wherein the reference member is a roller, the roller can roll relative to the bracket, and the rotary encoder is used for recording the rotation times of the roller.
In one embodiment, the number of the rollers and the number of the rotary encoders are two, and one rotary encoder corresponds to one roller.
In one embodiment, the roller is a magnetically attracted roller.
In one embodiment, the rotary encoder is an incremental rotary encoder.
In one embodiment, the bracket includes a first bracket portion, a second bracket portion and a third bracket portion, the first bracket portion, the second bracket portion and the third bracket portion together enclose the accommodating space, the first bracket portion and the third bracket portion are respectively located at two opposite ends of the second bracket portion, the reference member is located on the first bracket portion, and the second bracket portion and the third bracket portion are both provided with a plurality of displacement meters.
In one embodiment, one end of the displacement meter extending to the accommodating space is provided with a rotating wheel.
In one embodiment, the device further comprises a handle, and the handle is arranged on the bracket.
In one embodiment, the device further comprises a connecting rod, the handle is arranged on the bracket through the connecting rod, and the handle is positioned on one side close to the reference part.
In one embodiment, the bracket comprises a first bracket part, the first bracket part comprises a vertical section and a bending section bent relative to the vertical section, the number of the connecting rods is two, the two connecting rods are arranged at an acute angle, the handle is connected with one ends of the two connecting rods, the other end of one connecting rod is connected with the vertical section, and the other end of the other connecting rod is connected with the bending section.
The portable steel rail abrasion and profile detection device at least has the following advantages:
during detection, the portable steel rail abrasion and profile detection device is held by a hand and is gradually close to the steel rail, so that the rail surface, the outer side surface and the inner side surface of the steel rail extend into the accommodating space of the support from the inlet of the support, the reference part is attached to the outer side surface of the steel rail, and one end of the displacement meter is determined to be in elastic contact with the rail surface and/or the inner side surface of the steel rail. Then the steel rail is moved along the extending direction of the steel rail for detection, and the detection data stored by the memory is used for obtaining the data. Since the outer side surface of the rail is hardly worn, the outer side surface of the rail is used as a reference surface, and the reference member is attached to the reference surface to detect the rail. Because the portable steel rail abrasion and profile detection device is moved along the extending direction of the steel rail during detection, and the number of the displacement meters is multiple, and the displacement meters are adjacent to and/or opposite to the reference piece, the displacement meters can be used for continuously detecting the abrasion condition of the rail surface and/or the inner side surface of the steel rail at multiple points and also can be used for detecting the three-dimensional profile change of the steel rail. The portable steel rail abrasion and profile detection device is portable, simple, high in detection efficiency, relatively high in precision, relatively low in cost and convenient to move and detect.
Drawings
FIG. 1 is a schematic diagram of a portable rail wear and profile detection apparatus according to one embodiment;
fig. 2 is a schematic view showing a usage state of the portable rail wear and profile detection apparatus shown in fig. 1.
Detailed Description
In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention can be embodied in many different forms other than those specifically described herein, and it will be apparent to those skilled in the art that similar modifications can be made without departing from the spirit and scope of the invention, and it is therefore not to be limited to the specific embodiments disclosed below.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. 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.
Referring to fig. 1 and 2, a portable rail wear and profile detection device 10 according to an embodiment is mainly used for detecting wear and three-dimensional profile changes of a rail 20, and has the advantages of portability, high detection efficiency, and high detection accuracy. Specifically, the portable rail wear and profile detection device 10 includes a support 100, a reference member, a displacement meter 300, and a data acquisition memory 400.
The holder 100 is formed with an accommodating space 101 and an inlet 102 communicating with each other. Specifically, the bracket 100 includes a first bracket portion 110, a second bracket portion 120, and a third bracket portion 130, the first bracket portion 110, the second bracket portion 120, and the third bracket portion 130 together enclose an accommodating space 101, and the first bracket portion 110 and the third bracket portion 130 are respectively located at two opposite ends of the second bracket portion 120. In the present embodiment, the first bracket portion 110 and the third bracket portion 130 are arranged substantially vertically, and the second bracket portion 120 is arranged substantially horizontally.
The reference member is disposed on the bracket 100 and located in the accommodating space 101. Specifically, the reference member is located on the first frame part 110. Since the outer side surface of the rail 20 is not substantially worn, the measurement accuracy can be effectively improved by measuring the outer side surface 21 of the rail 20 as a reference surface by fitting a reference material to the reference surface.
In the present embodiment, the reference member is the roller 200, and the roller 200 is capable of rolling with respect to the bracket 100, so that the friction between the reference member and the rail 20 can be effectively reduced, and the abrasion of the reference member on the reference surface can be reduced. Of course, in other embodiments, the reference member may be a reference block fixed to the holder 100 as long as the reference member can be attached to the reference surface.
Further, the portable rail wear and profile detection device 10 further includes a rotary encoder 500, and the rotary encoder 500 is configured to record the number of rotations of the roller 200, so as to calculate the distance traveled by the portable rail wear and profile detection device 10 and determine the measurement position. For example, the rotary encoder 500 may be an incremental rotary encoder. Of course, in other embodiments, the rotary encoder 500 may be other forms of rotary encoders, and may be selected according to specific situations.
Further, since the outer side surface 21 of the rail 20 includes two inclined planes 22 arranged at an obtuse angle, the number of the rollers 200 and the rotary encoders 500 is two, and one rotary encoder 500 corresponds to one roller 200. For example, in the present embodiment, the first frame part 110 includes a vertical section 111 and a bending section 112 bent with respect to the vertical section 111, one roller 200 and one rotary encoder 500 are disposed on the vertical section 111, and the other roller 200 and the other rotary encoder 500 are disposed on the bending section 112, so that the two rollers 200 can be simultaneously attached to the two inclined planes 22 of the outer side surface 21 of the rail 20. The two rollers 200 and the two inclined planes 22 are simultaneously used as reference planes, so that the detection precision is further improved.
Further, the roller 200 is a magnetic roller. Therefore, when detecting, the gyro wheel is inhaled through magnetic attraction and is adsorbed on rail 20 to guarantee to inhale and to laminate closely more and firm between gyro wheel and the rail 20, further improve and detect the precision. Of course, in other embodiments, the roller 200 may be a common roller.
The displacement meters 300 are arranged on the support 100 at intervals, the displacement meters 300 are adjacent to and/or opposite to the reference member, and one end of each displacement meter 300 extends into the accommodating space 101. Specifically, the second bracket part 120 is provided with a plurality of displacement meters 300, and the plurality of displacement meters 300 are arranged at intervals in the transverse direction, and the displacement meters 300 on the second bracket part 120 are used for measuring the rail surface 23 of the steel rail 20. The third bracket part 130 is provided with a plurality of displacement meters 300, the displacement meters 300 are arranged at intervals along the vertical direction, and the displacement meters 300 on the third bracket part 130 are used for measuring the inner side surface 24 of the steel rail 20.
Further, one end of the displacement gauge 300 extending to the accommodating space 101 is provided with a rotating wheel 310, and the rotating wheel 310 is in elastic contact with the rail surface 23 and/or the inner side surface 24 of the steel rail 20. Therefore, the rotary wheel 310 is always in elastic contact with the rail surface 23 and/or the inner side surface 24 of the rail 20 by the elastic force of the displacement gauge 300. For example, the displacement meter 300 may be a miniature electronic displacement meter 300, so as to achieve the purposes of portability and improvement of detection convenience.
The data acquisition memory 400 is electrically connected to the displacement meter 300, and the data acquisition memory 400 is used for storing the detection data transmitted by the displacement meter 300. A data acquisition memory 400 is also provided on the stand 100. For example, in the embodiment shown in fig. 1, the data acquisition memory 400 is located near the intersection of the second leg portion 120 and the third leg portion 130.
Specifically, in the present embodiment, the portable rail wear and profile detection apparatus 10 further includes a handle 600, and the handle 600 is disposed on the bracket 100. The measurer holds the handle 600, and can attach the magnetic attraction rollers to the two inclined planes 22 on the outer side surface 21 of the rail 20, and simultaneously move the portable rail wear and profile detection device 10 forward for measurement. The handle 600 provides convenience of operation.
Further, the portable rail wear and profile detecting apparatus 10 further includes a connecting rod 700, the handle 600 is disposed on the bracket 100 through the connecting rod 700, and the handle 600 is located at a side close to the reference member. For example, the number of the connecting rods 700 is two, the two connecting rods 700 are arranged at an acute angle, the handle 600 is connected with one ends of the two connecting rods 700, the other end of one connecting rod 700 is connected with the vertical section 111, and the other end of the other connecting rod 700 is connected with the bending section 112, so that the firmness of the connecting rods 700 and the handle 600 is improved. The handle 600 is located close to the magnetic rollers, and an operator can hold the handle 600 to attach the two magnetic rollers to the inclined planes 22 corresponding to the rails 20, thereby moving the portable rail wear and profile detection apparatus 10 forward.
Meanwhile, a detection method of the portable steel rail abrasion and profile detection device 10 is also provided, and comprises the following steps:
and step S110, performing advanced calibration of the displacement meter 300 by using the standard steel rail 20. So as to perform a calibration function on the displacement meter 300, determine a reference and ensure that the detection result is more accurate. Of course, in other embodiments, when the displacement meter 300 is already in the reference state, step S110 may be omitted.
In step S120, the rail surface 23, the inner surface 24, and the outer surface 21 of the rail 20 are extended into the accommodation space 101 from the entrance 102 of the bracket 100. For example, the portable rail wear and profile detection apparatus 10 may be moved closer to the rail 20 by holding the handle 600 until the rail surface 23, the inner side surface 24, and the outer side surface 21 of the rail 20 extend into the receiving space 101.
In step S130, the reference material is attached to the outer surface 21 of the rail 20. For example, the number of the reference members is two, the outer side surface 21 of the rail 20 has two inclined planes 22, and one reference member corresponds to one inclined plane 22, so that reference positioning is realized.
Step S140, determining that one end of the plurality of displacement meters 300 is in elastic contact with the rail surface 23 and/or the inner side surface 24 of the steel rail 20. The plurality of displacement gauges 300 are primarily used for wear of the rail 20 on the rail face 23 and/or the inner face 24 of the multipoint sided rail 20.
Step S150, the rail 20 is moved in the extending direction and detected. For example, the detection may be performed forward in the extending direction of the rail 20.
In step S160, the detection data stored in the data acquisition memory 400 is obtained.
The portable steel rail abrasion and profile detection device 10 and the detection method thereof have the advantages that:
during detection, the portable rail abrasion and profile detection device 10 is held by hand and gradually approaches the rail 20, so that the rail surface 23, the outer side surface 21 and the inner side surface 24 of the rail 20 extend into the accommodating space 101 of the bracket 100 from the inlet 102 of the bracket 100, the reference piece is attached to the outer side surface 21 of the rail 20, and one end of the definite displacement meter 300 is in elastic contact with the rail surface 23 and/or the inner side surface 24 of the rail 20. Then, the rail 20 is moved in the extending direction for detection, and the detection data stored in the memory is used for obtaining the data. Since the outer side surface 21 of the rail 20 is hardly worn, the outer side surface 21 of the rail 20 is used as a reference surface, and the reference member is attached to the reference surface for detection. Since the portable rail wear and profile detection device 10 is moved along the extending direction of the rail 20 during detection, and the number of the displacement meters 300 is plural, and the displacement meters 300 are disposed adjacent to and/or opposite to the reference member, the plural displacement meters 300 can be used for not only continuously detecting the wear condition of the rail surface 23 and/or the inner side surface 24 of the rail 20 at multiple points, but also detecting the three-dimensional profile change of the rail 20. The portable steel rail abrasion and profile detection device 10 is simple and portable, high in detection efficiency, relatively high in precision, relatively low in cost and convenient to move and detect.
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 above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (10)
1. The utility model provides a portable rail wearing and tearing and profile detection device which characterized in that includes:
a bracket formed with an accommodating space and an inlet communicated with each other;
the reference piece is arranged on the bracket and is positioned in the accommodating space;
the displacement meters are arranged on the bracket at intervals, are adjacent to and/or opposite to the reference part, and extend into the accommodating space; and
and the data acquisition memory is electrically connected with the displacement meter and is used for storing the detection data transmitted by the displacement meter.
2. The portable rail wear and profile detection apparatus of claim 1, further comprising a rotary encoder, wherein the reference member is a roller, the roller is rollable relative to the support, and the rotary encoder is configured to record the number of rotations of the roller.
3. The portable rail wear and profile detection apparatus of claim 2, wherein the number of the rollers and the number of the rotary encoders are two, and one rotary encoder corresponds to one roller.
4. The portable rail wear and profile testing device of claim 2, wherein said rollers are magnetically attracted rollers.
5. The portable rail wear and profile detection apparatus of claim 2, wherein the rotary encoder is an incremental rotary encoder.
6. The portable rail wear and profile detection device according to claim 1, wherein the bracket includes a first bracket portion, a second bracket portion, and a third bracket portion, the first bracket portion, the second bracket portion, and the third bracket portion together enclose the accommodation space, the first bracket portion and the third bracket portion are respectively located at opposite ends of the second bracket portion, the reference member is located on the first bracket portion, and the second bracket portion and the third bracket portion are each provided with the plurality of displacement meters.
7. The portable rail wear and profile detection apparatus of claim 6, wherein a rotating wheel is disposed at an end of the displacement gauge extending toward the receiving space.
8. The portable rail wear and profile detection apparatus according to any one of claims 1 to 7, further comprising a handle, wherein the handle is disposed on the support.
9. The portable rail wear and profile detection apparatus according to claim 8, further comprising a connecting rod, wherein the handle is disposed on the bracket via the connecting rod, and the handle is located on a side close to the reference member.
10. The portable rail wear and profile detecting device according to claim 9, wherein the bracket includes a first bracket portion, the first bracket portion includes a vertical portion and a bent portion bent with respect to the vertical portion, the number of the connecting rods is two, the two connecting rods are disposed at an acute angle, the handle is connected to one ends of the two connecting rods, one of the connecting rods has the other end connected to the vertical portion, and the other connecting rod has the other end connected to the bent portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920653793.5U CN210063004U (en) | 2019-05-08 | 2019-05-08 | Portable steel rail abrasion and profile detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920653793.5U CN210063004U (en) | 2019-05-08 | 2019-05-08 | Portable steel rail abrasion and profile detection device |
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| Publication Number | Publication Date |
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| CN210063004U true CN210063004U (en) | 2020-02-14 |
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| CN201920653793.5U Active CN210063004U (en) | 2019-05-08 | 2019-05-08 | Portable steel rail abrasion and profile detection device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111851179A (en) * | 2020-07-10 | 2020-10-30 | 中铁物总运维科技有限公司 | Portable steel rail profile measuring device |
-
2019
- 2019-05-08 CN CN201920653793.5U patent/CN210063004U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111851179A (en) * | 2020-07-10 | 2020-10-30 | 中铁物总运维科技有限公司 | Portable steel rail profile measuring device |
| CN111851179B (en) * | 2020-07-10 | 2022-01-28 | 中铁物总运维科技有限公司 | Portable steel rail profile measuring device |
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