CN204919243U - Railway overhead line safety real -time supervision device - Google Patents
Railway overhead line safety real -time supervision device Download PDFInfo
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- CN204919243U CN204919243U CN201520557422.9U CN201520557422U CN204919243U CN 204919243 U CN204919243 U CN 204919243U CN 201520557422 U CN201520557422 U CN 201520557422U CN 204919243 U CN204919243 U CN 204919243U
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Abstract
The utility model discloses a railway overhead line safety real -time supervision device, include a pair of monitoring point that every certain distance set up on the track, the monitoring point includes that horizontal displacement sensor and vertical bit move the sensor, and the detecting head of horizontal displacement sensor and the positive center department contact of the rail side web of the rail, vertical bit move the detecting head and rail flange of rail bottom surface center department of sensor, horizontal displacement sensor and vertical bit move the sensor and pass through data line and data acquisition unit connection, and computer terminal is given through wireless or wire mode with data transfer to the data acquisition unit, the data acquisition unit includes bus collection module and bus output module, and bus collection module and bus output module are by low -pressure control mains operated, bus collection module, bus output module and the integration of low -pressure control power are in the vasculum. The utility model discloses can monitor by how much states on the track to railway overhead line accurately and timely.
Description
Technical field
The utility model belongs to railway and makes somebody a mere figurehead technical field of construction, particularly relates to the real-time security monitoring device of a kind of railway overhead wire, and this device is used for carrying out Real-Time Monitoring to the track geometry status of railway overhead wire.
Background technology
When carrying out railroad track and making somebody a mere figurehead construction, the geometry state of reply line track is monitored.The normal method adopted of current track monitoring has: one, artificial use track checks that the geometry state of chi to line track is monitored; Two, the geometry state of chi to line track is monitored to use electron orbit to check; Three, the geometry state of track inspection car to line track is used to monitor; Four, monitored by the geometry state of sensor to line track.
First method interference from human factor is large, and survey data is not in time, inaccurate; The second and the third method not only have high input, and all can not provide real-time railway monitoring data; Although the 4th kind of method can provide real-time railway monitoring data, because of the reason such as setting position of sensor, the data that sensor gathers are inaccurate, thus cause the inaccurate of railway monitoring data.Therefore we are necessary to design a kind of new railway overhead wire safety real time monitoring system, to ensure the accurate, timely of survey data.
Utility model content
Technical problem to be solved in the utility model is to provide the real-time security monitoring device of a kind of railway overhead wire, and this monitoring device can accurately and timely be monitored the track geometry status of railway overhead wire.
The utility model is achieved in that
The real-time security monitoring device of a kind of railway overhead wire, comprise a pair monitoring point arranged at a certain distance in orbit, described monitoring point comprises horizontal displacement sensors and vertical displacement sensor, and described horizontal displacement sensors is connected by support with vertical displacement sensor;
The detecting head of described horizontal displacement sensors contacts with the center place of the rail side web of the rail, and detecting head and the bottom center at the bottom of Rail of described vertical displacement sensor locate to contact;
Described horizontal displacement sensors is connected with data acquisition unit by data wire with vertical displacement sensor, and data are passed to terminal by wireless or wired mode by described data acquisition unit;
Described data acquisition unit comprises bus acquisition module, after the data that horizontal displacement sensors and vertical displacement sensor transmit gather by bus acquisition module, send to bus output module, described bus acquisition module and bus output module are powered by low-voltage control power;
Described bus acquisition module, bus output module and low-voltage control power are integrated in vasculum.
Further scheme is: described horizontal displacement sensors and vertical displacement sensor all adopt resistance-type linear displacement transducer, its range≤50mm, and precision is 0.01mm.
Further scheme is: described monitoring point is equidistantly laid in orbit, and described spacing is 3m.
In the present embodiment, induction to staticaccelerator track geometrical variations and detection are responsible in described monitoring point, and data acquisition unit is responsible for carrying out conversion between integrated collection and analog digital and output to data.The sensor of monitoring point is connected with data acquisition unit by data wire, and data-signal transmission is stable, reliable.Information is passed to terminal and shows by data acquisition unit.
In the utility model, a data acquisition unit can gather 64 data of monitoring point at most simultaneously.
The beneficial effects of the utility model are: 1, accurately, timely can carry out Real-Time Monitoring to the track geometry status of railway overhead wire.2, external interference factor is little, and measurement result is more accurate.3, drop into little, easy to utilize.4, realize remote monitoring, early warning can be carried out when undesirable condition appears in road in-orbit.5, installation, convenient disassembly, reusable.
Accompanying drawing explanation
Fig. 1 is the sectional structure schematic diagram of the real-time security monitoring device of the utility model railway overhead wire;
Fig. 2 is the side-looking structural representation of the real-time security monitoring device of the utility model railway overhead wire;
Fig. 3 is the block diagram of the real-time security monitoring device of the utility model railway overhead wire.
In figure: 1, horizontal displacement sensors, 2, vertical displacement sensor, 3, data wire, 4, support, 5, rail, 6, steel sleeper, 7, connect bracket, 8, built on stilts beam, 9, junction plate.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described further.
See Fig. 1 and Fig. 2, railway overhead wire comprises the rail 5 on steel sleeper 6 and steel sleeper 6, and the two ends of steel sleeper 6 are connected with built on stilts beam 8 by junction plate 9, connection bracket 7.
See Fig. 1 and Fig. 3, the real-time security monitoring device of a kind of railway overhead wire, it comprises along track longitudinally with every the separate horizontal displacement sensors 1 being installed on the outside of left and right two one steel rails 5 of 3m spacing and vertical displacement sensor 2, described horizontal displacement sensors 1 is connected by support 4 with vertical displacement sensor 2, and fixed form is that adjustable nut joins cover special banding admittedly;
In order to ensure the accurate of data acquisition, the detecting head of described horizontal displacement sensors 1 contacts with the center place of the rail 5 side web of the rail, and the detecting head of described vertical displacement sensor 2 is located to contact with rail 5 flange of rail bottom center;
Described horizontal displacement sensors 1 is connected with data acquisition unit by data wire 3 with vertical displacement sensor 2; Described data acquisition unit by wireless or wired mode by data information transfer to terminal;
Described data acquisition unit comprises bus acquisition module, bus acquisition module sends to bus output module after the data that horizontal displacement sensors 1 and vertical displacement sensor 2 transmit being gathered, and bus acquisition module and bus output module are powered by low-voltage control power; For the ease of installing, manage and dismantling, described bus acquisition module, bus output module and low-voltage control power are integrated in vasculum; Terminal receives the data that bus output module transmits, and the track geometry status of display railway overhead wire real-time on the display screen of terminal.
In the present embodiment, described vertical displacement sensor 2 and horizontal displacement sensors 1 all adopt resistance-type linear displacement transducer, its range≤50mm, and precision is 0.01mm, the operating temperature of sensor controlled at-10 DEG C ~+60 DEG C, general outdoor sleety weather all should be able to normally work continuously.Every platform vertical displacement sensor 2 and horizontal displacement sensors 1 by one independently data wire 3 be connected and export bus acquisition module to.
In the present embodiment, vertical displacement sensor 2 all adopts contact to be connected with horizontal displacement sensors 1 with rail 5 bottom surface and side, and rail contacts side surfaces point is the center place of steel rail web, and position deviation is not more than 10mm; Rail foot surface contact point is place of flange of rail bottom center, and position deviation is not more than 25mm.Before sensor heads portion contacts with rail side or bottom surface, should in the planar range centered by contact point, take 25mm as radius, floating rust on rail is polished off to make its smooth surface with emery wheel by contact range, then paraffin (namely establishing paraffin layer at the Rail Surface of contact position) is spread, to reduce the friction at contact point place, ensure certainty of measurement.
In the present embodiment, support adopts fixed bracket, and timbering material is steel.Fixed bracket installation site is according to railway technical requirements, and support adopts the mounting means of bolton to be connected with the steel sleeper of aerial railway circuit.
In the present embodiment, the main task of data acquisition unit is that the analog signal of input is carried out identification and collection, then converts data signal to, and imports data signal into terminal by data cable or wireless routing device; In the present embodiment, data acquisition unit possesses multiple output function, and as long distance wireless remote measurement output and wired output etc., wired input and output all adopt four-core universal shield line, and radio function adopts wireless routing module to export data.
During in-site installation, data acquisition device should be tried one's best near overhead track, and the distance between monitoring point and vasculum is farthest no more than 150 meters.
For ensureing precision, the service time of vertical displacement sensor and horizontal displacement sensors was no more than 24 months.Except vertical displacement sensor and horizontal displacement sensors are because of life-span reason, miscellaneous part all can be removed and reuse after monitoring completes, and therefore use cost is low.
Claims (3)
1. the real-time security monitoring device of railway overhead wire, comprise a pair monitoring point arranged at a certain distance in orbit, described monitoring point comprises horizontal displacement sensors and vertical displacement sensor, it is characterized in that: described horizontal displacement sensors is connected by support with vertical displacement sensor;
The detecting head of described horizontal displacement sensors contacts with the center place of the rail side web of the rail, and detecting head and the bottom center at the bottom of Rail of described vertical displacement sensor locate to contact;
Described horizontal displacement sensors is connected with data acquisition unit by data wire with vertical displacement sensor, and data are passed to terminal by wireless or wired mode by described data acquisition unit;
Described data acquisition unit comprises bus acquisition module, after the data that horizontal displacement sensors and vertical displacement sensor transmit gather by bus acquisition module, send to bus output module, described bus acquisition module and bus output module are powered by low-voltage control power;
Described bus acquisition module, bus output module and low-voltage control power are integrated in vasculum.
2. the real-time security monitoring device of railway overhead wire as claimed in claim 1, it is characterized in that: described horizontal displacement sensors and vertical displacement sensor all adopt resistance-type linear displacement transducer, its range≤50mm, precision is 0.01mm.
3. the real-time security monitoring device of railway overhead wire as claimed in claim 1, it is characterized in that: described monitoring point is equidistantly laid in orbit, and described spacing is 3m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520557422.9U CN204919243U (en) | 2015-07-29 | 2015-07-29 | Railway overhead line safety real -time supervision device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520557422.9U CN204919243U (en) | 2015-07-29 | 2015-07-29 | Railway overhead line safety real -time supervision device |
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| CN204919243U true CN204919243U (en) | 2015-12-30 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109425286A (en) * | 2017-09-02 | 2019-03-05 | 湖南北斗星空自动化科技有限公司 | A method of track plank split is monitored automatically using sliding rheostat range measurement principle |
| CN109425289A (en) * | 2017-09-02 | 2019-03-05 | 湖南北斗星空自动化科技有限公司 | A method of track plank split is monitored automatically using inclination angle range measurement principle |
| CN109425299A (en) * | 2017-09-02 | 2019-03-05 | 湖南北斗星空自动化科技有限公司 | A method of track plank split is monitored automatically using raster pattern displacement range measurement principle |
| CN109425868A (en) * | 2017-09-02 | 2019-03-05 | 湖南北斗星空自动化科技有限公司 | A method of track plank split is monitored automatically using laser displacement range measurement principle |
-
2015
- 2015-07-29 CN CN201520557422.9U patent/CN204919243U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109425286A (en) * | 2017-09-02 | 2019-03-05 | 湖南北斗星空自动化科技有限公司 | A method of track plank split is monitored automatically using sliding rheostat range measurement principle |
| CN109425289A (en) * | 2017-09-02 | 2019-03-05 | 湖南北斗星空自动化科技有限公司 | A method of track plank split is monitored automatically using inclination angle range measurement principle |
| CN109425299A (en) * | 2017-09-02 | 2019-03-05 | 湖南北斗星空自动化科技有限公司 | A method of track plank split is monitored automatically using raster pattern displacement range measurement principle |
| CN109425868A (en) * | 2017-09-02 | 2019-03-05 | 湖南北斗星空自动化科技有限公司 | A method of track plank split is monitored automatically using laser displacement range measurement principle |
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