CN218444143U - Steel rail noise attenuation measuring device - Google Patents
Steel rail noise attenuation measuring device Download PDFInfo
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- CN218444143U CN218444143U CN202222913412.7U CN202222913412U CN218444143U CN 218444143 U CN218444143 U CN 218444143U CN 202222913412 U CN202222913412 U CN 202222913412U CN 218444143 U CN218444143 U CN 218444143U
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Abstract
The utility model discloses a rail noise attenuation measuring device, including sensitization panel, measuring device and rail, the sensitization panel is fixed in rail waist body lateral wall, measuring device including directional in the high-speed camera of sensitization panel, with the treater that the high-speed camera electricity is connected, the usable high-speed camera of measuring device changes the dynamic light image on the sensitization panel into with the corresponding proportional relation's of light image signal of telecommunication to transmit to the treater through signal of telecommunication transmission module, the treater can be with originally collect in the ripples data memory that shakes in the theoretical safe ripples signal of telecommunication and the later stage of shaking a plurality of ripples signals of telecommunication that shake of every rank and the ripples signal of telecommunication that shakes that takes place at present carry out comprehensive linear contrast, thereby generate vibration characteristic and the noise characteristic that this position section rail changes with time of reaction, and form a total thread picture, but the safety characteristic of this thread picture direct reaction rail.
Description
Technical Field
The utility model relates to a railway rails dynamic monitoring technical field specifically is rail noise attenuation measuring device.
Background
Wheel rail noise generated by interaction between wheel rails during train operation is a main train operation noise source, wheels of a train can impact a railway steel rail and generate steel rail vibration in the running process, corresponding noise is generated due to vibration, and under the same impact force, the higher the vibration frequency is, the larger the corresponding decibel (noise) is; the impact force of the wheels on the steel rails is large, so that the stability of the steel rails is very important for the running safety of the wheels and the train; therefore, the vibration characteristics of the railway rail should be monitored in real time and used for research and analysis to improve safety of a train while traveling, and in view of the above problems, we have proposed a rail noise attenuation measuring device.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a rail noise attenuation measuring device to the vibration characteristic of the railway rail who proposes in solving above-mentioned background art should be by real-time supervision and analysis, thereby improves the problem of train security of traveling.
In order to achieve the above object, the utility model provides a following technical scheme: the steel rail noise attenuation measuring device comprises a main body which consists of a photosensitive panel, a measuring device and a steel rail and is used for measuring and measuring, wherein the photosensitive panel is fixed on the waist side wall of the steel rail, and the measuring device comprises a high-speed camera which points to the photosensitive panel and a processor which is electrically connected with the high-speed camera.
Preferably, the measuring device is a measuring mechanism assembly with a shell protection structure, an electric signal transmission module is further arranged between the high-speed camera and the processor, the high-speed camera is electrically connected with the processor through the electric signal transmission module, and the output end of the high-speed camera is horizontally aligned with the photosensitive panel.
Preferably, the measuring device further comprises a vibration wave data memory and a real-time vibration wave memory which are respectively and independently connected with the processor.
Preferably, a wireless communication module and a safe operation workstation are connected with the processor, and the processor forms a long-distance transmission chain with the safe operation workstation through the wireless communication module.
Preferably, a supporting rod is fixedly connected to a shell of the measuring device, and one end of the supporting rod, which is far away from the measuring device, is fixedly connected to the supporting body.
Compared with the prior art, the beneficial effects of the utility model are that: when the measurement is needed, the dynamic optical image on the light sensing panel is converted into an electric signal in a corresponding proportional relation with the optical image by the image sensor by utilizing the high-speed camera, the electric signal is transmitted to the processor through the electric signal transmission module, the processor can carry out comprehensive linear comparison on the theoretical safe vibration wave electric signal originally collected in the vibration wave data memory, the vibration wave electric signals collected in later stages and the vibration wave electric signals generated at present, so that the vibration characteristic and the noise attenuation characteristic of the steel rail at the position section along with the change of time are generated and reflected, a general thread map is formed, and the safety characteristic of the steel rail is reflected through the thread map.
Drawings
FIG. 1 is a schematic view of the overall measurement arrangement of the present invention;
fig. 2 is a schematic view of the measurement process of the present invention.
In the figure: 1. a light-sensitive panel; 2. a measuring device; 21. a processor; 22. a high-speed camera; 23. an electrical signal transmission module; 24. a vibration wave data memory; 25. a real-time vibration wave memory; 26. a wireless communication module; 3. a rail-operated safety workstation; 4. a steel rail; 5. a support rod.
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.
Next, the present invention will be described in detail with reference to the schematic drawings, and in the detailed description of the embodiments of the present invention, for convenience of explanation, the sectional view showing the device structure will not be enlarged partially according to the general scale, and the schematic drawings are only examples, and should not limit the scope of the present invention. In addition, the three-dimensional dimensions of length, width and depth should be included in the actual fabrication.
In order to make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.
Fig. 1-2 show the whole structure schematic diagrams of the steel rail noise attenuation measuring device of the present invention, please refer to fig. 1-2, the steel rail noise attenuation measuring device of the present embodiment includes a main body composed of a photosensitive panel, a measuring device and a steel rail for measuring and measuring, the photosensitive panel 1 is fixed on the waist side wall of the steel rail 4, the measuring device 2 includes a high speed camera 22 pointing to the photosensitive panel 1, and a processor 21 electrically connected with the high speed camera 22.
In this embodiment, the measuring device 2 is a measuring mechanism assembly with a shell protection structure, an electrical signal transmission module 23 is further disposed between the high-speed camera 22 and the processor 21, and the high-speed camera 22 is electrically connected with the processor 21 through the electrical signal transmission module 23, wherein the output end of the high-speed camera 22 is horizontally opposite to the photosensitive panel 1, the measuring device 2 further includes a vibration wave data memory 24 and a real-time vibration wave memory 25 which are respectively and independently connected with the processor 21, and a wireless communication module 26 and a track operation safety workstation 3 which are connected with the processor 21, and the processor 21 forms a remote transmission link with the track operation safety workstation 3 through the wireless communication module 26, after a train passes through a steel rail 4 to be measured, the photosensitive panel 1 in the section can vibrate at different frequencies from high to low under the resonance driving of the steel rail 4, and at the same time, the measuring device 2 can utilize a high-speed camera 22 to convert a dynamic optical image on the photosensitive panel 1 into an electric signal in a proportional relation with the optical image, wherein the high-speed camera 22 can adopt a ccd camera and is transmitted to the processor 21 through an electric signal transmission module 23, the processor 21 can store a corresponding vibration wave electric signal into a real-time vibration wave memory 25, after the vibration is completely stopped, the processor 21 can comprehensively and linearly compare a theoretical safe vibration wave electric signal originally collected in the vibration wave data memory 24 with a plurality of vibration wave electric signals of each column collected at a later stage and a currently generated vibration wave electric signal so as to generate vibration characteristics and noise attenuation characteristics reflecting the time change of the steel rail at the position section and form a total thread map directly reflecting the safety characteristics of the steel rail, and then the processor 21 can remotely transmit thread map information to a rail operation safety workstation through a wireless communication module 26 And 3, further realizing the purpose of remote monitoring.
Further, the utility model provides a wireless communication module 26 can adopt MDS data transfer radio station form, and it has more professional digital signal processing and the characteristics of high performance high reliability.
Further, the utility model provides a still be provided with the battery among the measuring device 2 to and external power supply, thereby guarantee measuring device 2's normal operating.
Furthermore, the rail section of the steel rail 4 to be measured is not limited to be provided with one monitoring point and the light-sensitive panel 1, and the monitoring points can be respectively arranged on two sides of the steel rail 4 or a plurality of monitoring points can be arranged according to actual requirements, so that the purpose of more comprehensive measurement is achieved.
Preferably, the supporting rod 5 is fixedly connected to the housing of the measuring device 2, one end of the supporting rod 5 far away from the measuring device 2 is fixedly connected to the supporting body, and the other end of the supporting rod 5 used for installing the measuring device 2 is far away from the vicinity of the track, so that the influence on the measuring device 2 caused by the steel rail 4 and the ground vibration can be effectively reduced, and the measuring error can be prevented.
In summary, in the rail noise attenuation measuring apparatus of the present embodiment, after a train passes through a rail 4 to be measured, the light-sensitive panel 1 at the section may vibrate at different frequencies from high to low under the resonance driving of the rail 4, and at the same time, the measuring apparatus 2 may convert the dynamic optical image on the light-sensitive panel 1 into an electrical signal in a proportional relationship with the optical image by using the high-speed camera 22, and transmit the electrical signal to the processor 21 through the electrical signal transmission module 23, the processor 21 may store the corresponding vibration wave electrical signal into the real-time vibration wave memory 25, after the vibration completely stops, the processor 21 may perform a comprehensive linear comparison between the theoretical safe vibration wave electrical signal originally collected in the vibration wave data memory 24 and a plurality of vibration wave electrical signals collected at each column in a later stage and the vibration wave electrical signals generated at present time, so as to generate a vibration characteristic and a noise attenuation characteristic that reflect the change of the rail at the section with time, and form a general thread map that may directly reflect the safety characteristic of the rail, and then the processor 21 may transmit information of the thread map to the remote rail operation safety workstation 3 through the wireless communication module 26, thereby achieving the purpose of remote monitoring of the rail operation.
While the invention has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, as long as there is no structural conflict, the various features of the disclosed embodiments of the present invention can be used in any combination with each other, and the description of these combinations not exhaustive in this specification is merely for the sake of brevity and resource conservation. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.
Claims (5)
1. The steel rail noise attenuation measuring device is characterized by comprising a photosensitive panel (1), a measuring device (2) and a steel rail (4), wherein the photosensitive panel (1) is fixed on the waist side wall of the steel rail (4), and the measuring device (2) comprises a high-speed camera (22) pointing to the photosensitive panel (1) and a processor (21) electrically connected with the high-speed camera (22).
2. A steel rail noise attenuation measuring device according to claim 1, characterized in that: the measuring mechanism assembly is characterized in that the measuring mechanism assembly is of a shell protection structure, an electric signal transmission module (23) is further arranged between the high-speed camera (22) and the processor (21), the high-speed camera (22) is electrically connected with the processor (21) through the electric signal transmission module (23), and the output end of the high-speed camera (22) is horizontally opposite to the photosensitive panel (1).
3. A steel rail noise attenuation measuring device according to claim 1, characterized in that: the measuring device (2) further comprises a vibration wave data memory (24) and a real-time vibration wave memory (25) which are respectively and independently connected with the processor (21).
4. A steel rail noise attenuation measuring device according to claim 3, characterized in that: also connected with the processor (21) are a wireless communication module (26) and a track-operated safety workstation (3), and the processor (21) forms a remote transmission chain with the track-operated safety workstation (3) through the wireless communication module (26).
5. A steel rail noise attenuation measuring device according to claim 4, characterized in that: the shell of the measuring device (2) is fixedly connected with a supporting rod (5), and one end, far away from the measuring device (2), of the supporting rod (5) is fixedly connected to the supporting body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222913412.7U CN218444143U (en) | 2022-11-02 | 2022-11-02 | Steel rail noise attenuation measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222913412.7U CN218444143U (en) | 2022-11-02 | 2022-11-02 | Steel rail noise attenuation measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218444143U true CN218444143U (en) | 2023-02-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202222913412.7U Active CN218444143U (en) | 2022-11-02 | 2022-11-02 | Steel rail noise attenuation measuring device |
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| Country | Link |
|---|---|
| CN (1) | CN218444143U (en) |
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2022
- 2022-11-02 CN CN202222913412.7U patent/CN218444143U/en active Active
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