CN111874033A - Informatization-based railway monitoring device and method - Google Patents
Informatization-based railway monitoring device and method Download PDFInfo
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- CN111874033A CN111874033A CN202010627987.5A CN202010627987A CN111874033A CN 111874033 A CN111874033 A CN 111874033A CN 202010627987 A CN202010627987 A CN 202010627987A CN 111874033 A CN111874033 A CN 111874033A
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- deformation
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- 238000012806 monitoring device Methods 0.000 title claims abstract description 18
- 238000000034 method Methods 0.000 title claims description 12
- 238000012544 monitoring process Methods 0.000 claims abstract description 45
- 230000000712 assembly Effects 0.000 claims abstract description 16
- 238000000429 assembly Methods 0.000 claims abstract description 16
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 8
- 239000010959 steel Substances 0.000 claims abstract description 8
- 241001669679 Eleotris Species 0.000 claims abstract description 6
- 239000006096 absorbing agent Substances 0.000 claims abstract description 4
- 230000035939 shock Effects 0.000 claims abstract description 4
- 238000010276 construction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61K—AUXILIARY EQUIPMENT SPECIALLY ADAPTED FOR RAILWAYS, NOT OTHERWISE PROVIDED FOR
- B61K9/00—Railway 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
- B61K9/08—Measuring installations for surveying permanent way
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L23/00—Control, warning or like safety means along the route or between vehicles or trains
- B61L23/04—Control, warning or like safety means along the route or between vehicles or trains for monitoring the mechanical state of the route
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L23/00—Control, warning or like safety means along the route or between vehicles or trains
- B61L23/04—Control, warning or like safety means along the route or between vehicles or trains for monitoring the mechanical state of the route
- B61L23/042—Track changes detection
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
The invention discloses a railway monitoring device based on informatization, which comprises: the bottom of the base is provided with a shock absorber, and the upper surface of the base is not higher than the lower surface of the sleeper; the monitoring assembly comprises two monitoring subassemblies which are symmetrically arranged, and each sub-monitoring subassembly comprises two L-shaped resistance strain gauges, an infrared distance meter and a strain gauge type deformation sensor; the two L-shaped resistance strain gauges are connected into a staircase shape with two platforms; the upper surface of the first platform is just attached to the lower surface of the steel rail, and the upper surface of the second platform is just attached to the lower surface of the sleeper; a strain gauge type deformation sensor is connected between the two monitoring subassemblies; and the strain gauge between the first platform and the second platform of the two sub-monitoring assemblies is provided with an infrared distance meter, and the infrared distance meters of the two sub-monitoring assemblies are not on the same horizontal plane. The invention can monitor the distance change between the railway rails and the connection condition between the rails and the sleepers in real time and perform early warning on the distance change and the connection condition.
Description
Technical Field
The invention relates to the technical field of measurement. More particularly, the present invention relates to an informatization-based railroad monitoring device and method.
Background
Railway construction can promote the development of national economy, railway transportation also lies in the backbone position in the traffic system, in the present day that economy is continuously developed forward, there are some not neglected problems in railway monitoring and maintenance, efficiency and the rate of accuracy of railway monitoring also need to be constantly improved, especially in the present day of railway information-based construction, the train can realize automatic start, operation and stop under the premise of no human intervention or less human intervention through the control of an on-board computer, and can automatically distinguish and obey the restraint from fixed facilities and adjacent vehicles. Most railway monitoring still depends on manpower, and is not favorable for railway informatization construction.
Disclosure of Invention
An object of the present invention is to solve at least the above problems and to provide at least the advantages described later.
It is still another object of the present invention to provide an informatization-based railway monitoring apparatus and method, which can monitor the distance change between railway rails and the connection between the rails and sleepers in real time and give an early warning.
To achieve these objects and other advantages in accordance with the purpose of the invention, there is provided an informatization-based railway monitoring apparatus, including:
the base is fixed on the ground between the two sleepers, a shock absorber is arranged at the bottom of the base, and the upper surface of the base is not higher than the lower surfaces of the sleepers;
the monitoring assembly is arranged on the base and comprises two symmetrically arranged monitoring subassemblies, and the sub-monitoring assemblies comprise two L-shaped resistance strain gauges, an infrared distance meter and a strain gauge type deformation sensor; the two L-shaped resistance strain gauges are connected into a staircase shape with two platforms; the upper surface of the first platform is just attached to the lower surface of the steel rail, the resistance strain gauge of the second platform extends to a certain width in the traveling direction of the steel rail, and the upper surface of the second platform is just attached to the lower surface of the sleeper; a strain gauge type deformation sensor is connected between the two monitoring subassemblies; and the strain gauge between the first platform and the second platform of the two sub-monitoring assemblies is provided with an infrared distance meter, and the infrared distance meters of the two sub-monitoring assemblies are not on the same horizontal plane.
Further, the invention claims a monitoring method of a railway monitoring device based on informatization, which comprises the following steps:
step one, installing the informatization-based railway monitoring device between two sleepers at intervals of 2-10 km;
predicting the safety range of the difference of the deformation of the resistance strain gauges of the first platform and the second platform; simultaneously predicting an alarm value of the distance between the two sub-monitoring assemblies measured by the infrared distance measuring device;
step three, monitoring the deformation difference of the resistance strain gauges of the first platform and the second platform in real time, comparing the deformation difference with the safety range obtained in the step two, and warning when the deformation difference of the resistance strain gauges of the first platform and the second platform exceeds the safety range obtained in the step two and the strain gauge type deformation sensor exceeds the deformation safety range; and simultaneously, the distance between the two sub-monitoring assemblies measured by the infrared distance measuring device is monitored in real time, and the early warning is also given when the distance exceeds an alarm value.
The invention at least comprises the following beneficial effects: firstly, the information-based railway monitoring device and method provided by the invention can monitor the distance change between railway rails and the connection condition between the rails and sleepers in real time and perform early warning on the distance change and the connection condition; secondly, the informatization-based railway monitoring device and method provided by the invention have the advantages of high monitoring efficiency and high accuracy of monitoring results.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
Fig. 1 is a schematic structural diagram of an informatization-based railway monitoring device according to one technical scheme of the invention;
fig. 2 is a schematic structural diagram of a railway according to another technical solution of the present invention.
Detailed Description
The present invention is further described in detail below with reference to the attached drawings so that those skilled in the art can implement the invention by referring to the description text.
It will be understood that terms such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.
As shown in fig. 1 and 2, the invention provides an informatization-based railway monitoring device, which comprises:
the base 3 is fixed on the ground between the two sleepers 2, the bottom of the base 3 is provided with a shock absorber, and the upper surface of the base 3 is not higher than the lower surfaces of the sleepers 2;
the monitoring assembly is arranged on the base 3 and comprises two symmetrically arranged monitoring subassemblies, and the sub-monitoring assemblies comprise two L-shaped resistance strain gauges, infrared range finders 6 and 7 and a strain gauge type deformation sensor 8; the two L-shaped resistance strain gauges are connected into a staircase shape with two platforms; the upper surface of the first platform 5 is just attached to the lower surface of the steel rail 1, the resistance strain gauge of the second platform 9 extends to a certain width in the traveling direction of the steel rail 1, the upper surface of the second platform 9 is just attached to the lower surface of the sleeper 2, and 4 in fig. 1 represents a connecting bolt of the steel rail and the sleeper; a strain gauge type deformation sensor 8 is connected between the two monitoring subassemblies; an infrared distance meter 6 is arranged on the strain gauge between the first platform 5 and the second platform 9 of the two sub-monitoring assemblies, and the infrared distance meters 6 and 7 of the two sub-monitoring assemblies are not on the same horizontal plane.
Further, the invention claims a monitoring method of a railway monitoring device based on informatization, which comprises the following steps:
step one, installing the informatization-based railway monitoring device between two sleepers at intervals of 2-10 km;
predicting the safety range of the difference of the deformation of the resistance strain gauges of the first platform and the second platform; simultaneously predicting an alarm value of the distance between the two sub-monitoring assemblies measured by the infrared distance measuring device;
step three, monitoring the deformation difference of the resistance strain gauges of the first platform and the second platform in real time, comparing the deformation difference with the safety range obtained in the step two, and warning when the deformation difference of the resistance strain gauges of the first platform and the second platform exceeds the safety range obtained in the step two and the strain gauge type deformation sensor exceeds the deformation safety range; and simultaneously, the distance between the two sub-monitoring assemblies measured by the infrared distance measuring device is monitored in real time, and the early warning is also given when the distance exceeds an alarm value.
The number of apparatuses and the scale of the process described herein are intended to simplify the description of the present invention. Applications, modifications and variations of the present invention to informatization-based railway monitoring devices will be apparent to those skilled in the art.
As described above, according to the present invention, at least the following advantageous effects are included: firstly, the information-based railway monitoring device and method provided by the invention can monitor the distance change between railway rails and the connection condition between the rails and sleepers in real time and perform early warning on the distance change and the connection condition; secondly, the informatization-based railway monitoring device and method provided by the invention have the advantages of high monitoring efficiency and high accuracy of monitoring results.
While embodiments of the invention have been described above, it is not limited to the applications set forth in the description and the embodiments, which are fully applicable in various fields of endeavor to which the invention pertains, and further modifications may readily be made by those skilled in the art, it being understood that the invention is not limited to the details shown and described herein without departing from the general concept defined by the appended claims and their equivalents.
Claims (2)
1. Railway monitoring devices based on informatization, its characterized in that includes:
the base is fixed on the ground between the two sleepers, a shock absorber is arranged at the bottom of the base, and the upper surface of the base is not higher than the lower surfaces of the sleepers;
the monitoring assembly is arranged on the base and comprises two symmetrically arranged monitoring subassemblies, and the sub-monitoring assemblies comprise two L-shaped resistance strain gauges, an infrared distance meter and a strain gauge type deformation sensor; the two L-shaped resistance strain gauges are connected into a staircase shape with two platforms; the upper surface of the first platform is just attached to the lower surface of the steel rail, the resistance strain gauge of the second platform extends to a certain width in the traveling direction of the steel rail, and the upper surface of the second platform is just attached to the lower surface of the sleeper; a strain gauge type deformation sensor is connected between the two monitoring subassemblies; and the strain gauge between the first platform and the second platform of the two sub-monitoring assemblies is provided with an infrared distance meter, and the infrared distance meters of the two sub-monitoring assemblies are not on the same horizontal plane.
2. The method for monitoring a railway monitoring device based on informatization of claim 1, comprising:
step one, installing the informatization-based railway monitoring device between two sleepers at intervals of 2-10 km;
predicting the safety range of the difference of the deformation of the resistance strain gauges of the first platform and the second platform; simultaneously predicting an alarm value of the distance between the two sub-monitoring components measured by the infrared distance measuring device and the deformation safety range of the strain gauge type deformation sensor;
step three, monitoring the deformation difference of the resistance strain gauges of the first platform and the second platform in real time, comparing the deformation difference with the safety range obtained in the step two, and warning when the deformation difference of the resistance strain gauges of the first platform and the second platform exceeds the safety range obtained in the step two and the strain gauge type deformation sensor exceeds the deformation safety range; and simultaneously, the distance between the two sub-monitoring assemblies measured by the infrared distance measuring device is monitored in real time, and the early warning is also given when the distance exceeds an alarm value.
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CN202010627987.5A CN111874033A (en) | 2020-07-02 | 2020-07-02 | Informatization-based railway monitoring device and method |
CN202011166282.4A CN112092860B (en) | 2020-07-02 | 2020-10-27 | Informatization-based railway monitoring device and method |
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CN202010627987.5A CN111874033A (en) | 2020-07-02 | 2020-07-02 | Informatization-based railway monitoring device and method |
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CN202011166282.4A Active CN112092860B (en) | 2020-07-02 | 2020-10-27 | Informatization-based railway monitoring device and method |
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DE102006040542B4 (en) * | 2006-08-30 | 2015-05-21 | Deutsches Zentrum für Luft- und Raumfahrt e.V. | Device for monitoring a railroad crossing |
FR3004574B1 (en) * | 2013-04-16 | 2016-09-02 | Prodose | RAILWAY MONITORING DEVICE AND WORKING METHOD |
CN106338515A (en) * | 2016-09-06 | 2017-01-18 | 北京康拓红外技术股份有限公司 | Image viewing diagnosis device and viewing diagnosis method of railway rail side equipment |
CN109305179A (en) * | 2017-07-26 | 2019-02-05 | 中国铁道科学研究院集团有限公司 | Rail track equipment appearance cruising inspection system |
CN107901950B (en) * | 2017-12-11 | 2020-11-13 | 北京铁路局 | Line monitoring method and monitoring system |
CN108032869B (en) * | 2017-12-11 | 2019-12-03 | 北京铁路局 | Wireline inspection method and monitoring system |
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CN112092860A (en) | 2020-12-18 |
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Application publication date: 20201103 |