CN112458806A - Switch rail close contact measurement system and method - Google Patents
Switch rail close contact measurement system and method Download PDFInfo
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- CN112458806A CN112458806A CN202011331321.1A CN202011331321A CN112458806A CN 112458806 A CN112458806 A CN 112458806A CN 202011331321 A CN202011331321 A CN 202011331321A CN 112458806 A CN112458806 A CN 112458806A
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- Prior art keywords
- rail
- transverse displacement
- displacement
- switch
- close contact
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B35/00—Applications of measuring apparatus or devices for track-building purposes
Abstract
The invention discloses a switch rail close contact measurement system and a switch rail close contact measurement method, wherein the system comprises an acquisition module for acquiring the transverse displacement of a stock rail and the transverse displacement of a switch rail; a communication module for transmitting the stock rail traversing amount and the point rail traversing amount to the processing module; the processing module is used for analyzing the close contact state of the switch rail according to the stock rail transverse displacement and the switch rail transverse displacement; the displacement acquisition module comprises a first displacement acquisition module, a second displacement acquisition module and a measurement bracket, and the first displacement acquisition module is arranged on the outer side of the stock rail and used for acquiring the transverse displacement of the stock rail; the measuring support is arranged on the switch rail, and the second displacement acquisition module is arranged at the bottom of the stock rail and used for acquiring the transverse displacement of the measuring support. The invention aims to provide a switch rail close contact measuring system and a switch rail close contact measuring method.
Description
Technical Field
The invention relates to the technical field of turnouts, in particular to a switch rail close contact measuring system and method.
Background
The switch is a kind of line equipment for realizing train running along different tracks, mainly including point switch, connecting portion, frog and guard rail. The switch is composed of stock rails, two switch points and a switch machine, wherein the two switch points are located between the two stock rails. When the switch machine acts, one of the switch rails is driven to be closely attached to one stock rail, and the other switch rail is driven to be separated from the corresponding stock rail, so that the switching of different tracks of the train is completed.
However, since the train runs on the rail for a long time, the switch rails and the stock rails at the turnouts are displaced, so that the switch rails cannot be attached to the stock rails, the train cannot switch the rails, and the running of the railway line is affected.
The application numbers are: CN201520256527.0, entitled "switch state detection system based on switch rail displacement", discloses a switch state detection system based on switch rail displacement, which consists of an on-site industrial personal computer and a switch state detection device; the turnout state detection device is provided with a displacement sensing module, the displacement sensing module comprises a left laser displacement sensor and a right laser displacement sensor, the left laser displacement sensor and the right laser displacement sensor are respectively fixed on a track bed through a mounting base and are symmetrically distributed along the central axes of a left stock rail and a right stock rail and are both positioned between a left switch rail and a right switch rail, a laser outlet of the left laser displacement sensor vertically points to the inner vertical end face of the left switch rail, and a laser outlet of the right laser displacement sensor vertically points to the inner vertical end face of the right switch rail; and a front data processing circuit of the field industrial personal computer receives output signals of the left laser displacement sensor and the right laser displacement sensor, converts the output signals into digital signals and outputs the digital signals to the data acquisition card. The utility model discloses can realize the non-contact detection to switch tongue overall process motion state.
However, in this scheme, because laser displacement sensing exposes in the air, the condition that the mud or dust pile up can appear for a long time to cause laser rangefinder sensor can not normally work.
Disclosure of Invention
The invention aims to provide a switch rail close contact measuring system and a switch rail close contact measuring method.
The invention is realized by the following technical scheme:
a switch rail close contact measurement system comprises a displacement acquisition module, a communication module and a processing module;
the acquisition module is used for acquiring the stock rail transverse displacement and the switch rail transverse displacement;
the communication module is used for transmitting the stock rail transverse movement amount and the switch rail transverse movement amount to the processing module;
the processing module is used for analyzing the close contact state of the switch rail according to the stock rail transverse displacement and the switch rail transverse displacement;
the displacement acquisition module comprises a first displacement acquisition module, a second displacement acquisition module and a measurement bracket, and the first displacement acquisition module is arranged on the outer side of the stock rail and used for acquiring the transverse displacement of the stock rail; the measuring support is arranged on the switch rail, and the second displacement acquisition module is arranged at the bottom of the stock rail and is used for acquiring the transverse displacement of the measuring support.
Preferably, the processing module comprises an acquisition unit, an analysis unit and an alarm unit,
the acquisition unit is used for acquiring the transverse displacement of the stock rail and the transverse displacement of the measuring bracket;
the analysis unit is used for analyzing the close contact state of the switch rail according to the transverse displacement of the stock rail and the transverse displacement of the measuring bracket;
and the alarm unit gives an alarm when the close contact state of the switch rail is abnormal.
Preferably, the analysis unit comprises the following processes:
if the basic rail transverse displacement is zero and the measuring support transverse displacement is equal to the preset transverse displacement, the close contact state of the switch rail is normal;
if the transverse displacement of the stock rail is zero and the transverse displacement of the measuring support is not equal to the preset transverse displacement, the close contact state of the switch rail is abnormal;
and if the transverse movement amount of the stock rail is not equal to zero, the close contact state of the switch rail is abnormal.
Preferably, the acquisition module is a dual laser ranging sensor.
Preferably, the measuring bracket is L-shaped, the horizontal section of the measuring bracket is fixedly arranged on the switch rail, the longitudinal section of the measuring bracket is exposed out of the switch rail and is perpendicular to the axis of the stock rail, and the collecting port of the second displacement collecting device faces the longitudinal section of the measuring bracket.
A point rail close contact measuring method comprises the following steps:
s1: arranging a first acquisition module for acquiring the transverse displacement of the stock rail at the outer side of the stock rail; arranging a second acquisition module for acquiring the transverse displacement of the switch rail at the bottom of the stock rail;
s2: and analyzing the close contact state of the switch rail according to the stock rail transverse displacement and the switch rail transverse displacement.
Preferably, the S2 includes the following substeps:
s21: acquiring the transverse displacement of the stock rail and the transverse displacement of the measuring bracket;
s22: analyzing the close contact state of the switch rail according to the transverse displacement of the stock rail and the transverse displacement of the measuring bracket;
s23: and when the close contact state of the switch rail is abnormal, alarming.
Preferably, the S22 includes the following analysis processes:
if the basic rail transverse displacement is zero and the measuring support transverse displacement is equal to the preset transverse displacement, the close contact state of the switch rail is normal;
if the transverse displacement of the stock rail is zero and the transverse displacement of the measuring support is not equal to the preset transverse displacement, the close contact state of the switch rail is abnormal;
and if the transverse movement amount of the stock rail is not equal to zero, the close contact state of the switch rail is abnormal.
Compared with the prior art, the invention has the following advantages and beneficial effects:
set up collection system in the bottom of stock rail, can avoid piling up the mire dust on the collection system to cause measured data inaccurate.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:
FIG. 1 is a schematic view of the structure of the present invention.
Reference numbers and corresponding part names in the drawings:
1. a stock rail; 2. a point rail; 3. an acquisition module; 4. and (5) measuring the bracket.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to examples and accompanying drawings, and the exemplary embodiments and descriptions thereof are only used for explaining the present invention and are not meant to limit the present invention.
Examples
A switch rail close contact measuring system comprises a displacement acquisition module 3, a communication module and a processing module;
the acquisition module 3 is used for acquiring the transverse displacement of the stock rail 1 and the transverse displacement of the switch rail 2;
the communication module is used for transmitting the transverse displacement of the stock rail 1 and the transverse displacement of the switch rail 2 to the processing module;
and the processing module is used for analyzing the close contact state of the switch rail 2 according to the transverse displacement of the stock rail 1 and the transverse displacement of the switch rail 2.
The displacement acquisition module 3 comprises a first displacement acquisition module 3, a second displacement acquisition module 3 and a measurement bracket 4, and as shown in fig. 1, the first displacement acquisition module 3 is arranged on the outer side of the stock rail 1 and is used for acquiring the transverse displacement of the stock rail 1; the measuring support 4 is arranged on the switch rail 2, and the second displacement acquisition module 3 is arranged at the bottom of the stock rail 1 through a bolster and used for acquiring the transverse displacement of the measuring support 4.
In this scheme, set up second displacement collection module 3 below stock rail 1 to make stock rail 1 can provide the one deck protection for second displacement collection module 3, can avoid sleet or muddy dust to pile up on second displacement collection module 3, and then influence second displacement collection module 3's use, cause the unsafe phenomenon of data of gathering. In addition, the inventor considers that, in actual switch system, stock rail 1 and switch rail 2 are located the coplanar, when setting up second displacement collection module 3 in the bottom of stock rail 1, 2 sideslip volumes of switch rail can not be gathered to second displacement collection module 3, consequently, in this scheme, still add a measurement support 4, fix the one end of measuring support 4 on switch rail 2, the other end of measuring support 4 extends to the downside of switch rail 2, thereby make second displacement collection module 3 can gather 4 sideslip volumes of measurement support, thereby reflect 2 sideslip volumes of switch rail.
Specifically, in this embodiment, the processing module includes an obtaining unit, an analyzing unit and an alarming unit,
the acquisition unit is used for acquiring the transverse displacement of the stock rail 1 and the transverse displacement of the measuring bracket 4;
and the analysis unit is used for analyzing the close contact state of the switch rail 2 according to the transverse displacement of the stock rail 1 and the transverse displacement of the measuring bracket 4:
if the transverse displacement of the stock rail 1 is zero and the transverse displacement of the measuring bracket 4 is equal to the preset transverse displacement, the close contact state of the switch rail 2 is normal;
if the transverse displacement of the stock rail 1 is zero and the transverse displacement of the measuring support 4 is not equal to the preset transverse displacement, the close contact state of the switch rail 2 is abnormal;
if the transverse displacement of the stock rail 1 is not equal to zero, the contact state of the point rail 2 is abnormal.
The preset transverse displacement is the maximum displacement of the switch rail 2 from the repulsion state to the close contact state or the maximum displacement of the switch rail 2 from the close contact state to the repulsion state when the turnout system normally operates.
And when the close contact state of the switch rail 2 is abnormal, the alarm unit gives an alarm and informs railway workers that the turnout system is in failure and needs to be maintained.
As both the stock rail 1 and the point rail 2 are displaced in the switch system. And in this application, second displacement collection module 3 sets up on stock rail 1 again, if only measure 2 sideslip volumes of switch rail, and ignore stock rail 1 displacement volume, the condition that switch rail 2 and stock rail 1 simultaneous movement appear very probably to make 2 sideslip volumes of switch rail that second displacement collection module 3 gathered the same with 2 sideslip volumes of switch rail of switch system normal operating, and then make the alarm unit not report to the police the operation, actually, switch system and the abnormal condition that appears have. Therefore, in this scheme, two sets of collection modules 3 are provided simultaneously, wherein one set of collection module 3 (first displacement collection module 3) is used for obtaining the amount of base rail 1 that traverses, and another set of collection module 3 (second displacement collection module 3) is used for collecting the amount of switch rail 2 that traverses, through the integrated analysis to the amount of base rail 1 that traverses and the amount of switch rail 2 that traverses to the state of being close to switch rail 2 carries out the analysis.
Further, considering that in an actual turnout system, the end of the point rail 2 may be located on a sleeper, and at this time, the second displacement acquisition module 3 cannot measure the point rail 2, based on this, in this embodiment, the measurement bracket 4 is designed to be L-shaped, and the horizontal section of the measurement bracket 4 is fixedly arranged on the point rail 2, and the longitudinal section of the measurement bracket 4 is exposed out of the point rail 2 and is perpendicular to the axis of the stock rail 1, so that the second displacement measurement device can measure the lateral displacement of the point rail 2.
Further, in this embodiment, the acquisition module 3 is a dual laser ranging sensor.
A point rail close contact measuring method comprises the following steps:
s1: arranging a first acquisition module 3 for acquiring the transverse displacement of the stock rail 1 at the outer side of the stock rail 1; arranging a second acquisition module 3 for acquiring the transverse displacement of the switch rail 2 at the bottom of the stock rail 1;
s2: the state of the tongue 2 in close contact is analyzed on the basis of the amount of displacement of the stock rail 1 and the amount of displacement of the tongue 2.
Wherein, S2 includes the following substeps:
s21: acquiring the transverse displacement of the stock rail 1 and the transverse displacement of the measuring bracket 4;
s22: analyzing the close contact state of the switch rail 2 according to the transverse displacement of the stock rail 1 and the transverse displacement of the measuring bracket 4;
if the transverse displacement of the stock rail 1 is zero and the transverse displacement of the measuring bracket 4 is equal to the preset transverse displacement, the close contact state of the switch rail 2 is normal;
if the transverse displacement of the stock rail 1 is zero and the transverse displacement of the measuring bracket 4 is not equal to the preset transverse displacement, the close contact state of the switch rail 2 is abnormal;
and if the transverse displacement of the stock rail 1 is not equal to zero, the close contact state of the point rail 2 is abnormal.
S23: and when the close contact state of the switch rail 2 is abnormal, alarming is carried out.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (8)
1. The switch rail close contact measuring system is characterized by comprising a displacement acquisition module (3), a communication module and a processing module;
the acquisition module (3) is used for acquiring the transverse displacement of the stock rail (1) and the transverse displacement of the switch rail (2);
the communication module is used for transmitting the transverse moving amount of the stock rail (1) and the transverse moving amount of the switch rail (2) to the processing module;
the processing module is used for analyzing the close contact state of the switch rail (2) according to the transverse displacement of the stock rail (1) and the transverse displacement of the switch rail (2);
the displacement acquisition module (3) comprises a first displacement acquisition module (3), a second displacement acquisition module (3) and a measurement bracket (4), and the first displacement acquisition module (3) is arranged on the outer side of the stock rail (1) and is used for acquiring the transverse displacement of the stock rail (1); the measuring support (4) is arranged on the switch rail (2), and the second displacement acquisition module (3) is arranged at the bottom of the stock rail (1) and is used for acquiring the transverse displacement of the measuring support (4).
2. A point rail closeness measuring system according to claim 1, characterized in that said processing module comprises an acquisition unit, an analysis unit and an alarm unit,
the acquisition unit is used for acquiring the transverse displacement of the stock rail (1) and the transverse displacement of the measuring bracket (4);
the analysis unit is used for analyzing the close contact state of the switch rail (2) according to the transverse displacement of the stock rail (1) and the transverse displacement of the measuring bracket (4);
and the alarm unit gives an alarm when the close contact state of the switch rail (2) is abnormal.
3. A point rail closeness measuring system according to claim 2, characterized in that said analysis unit comprises the following processes:
if the transverse displacement of the stock rail (1) is zero and the transverse displacement of the measuring bracket (4) is equal to the preset transverse displacement, the close contact state of the switch rail (2) is normal;
if the transverse displacement of the stock rail (1) is zero and the transverse displacement of the measuring bracket (4) is not equal to the preset transverse displacement, the close contact state of the switch rail (2) is abnormal;
if the transverse displacement of the stock rail (1) is not equal to zero, the close contact state of the switch rail (2) is abnormal.
4. A point contact measuring system according to any of claims 1-3, characterized in that said acquisition module (3) is a double laser distance measuring sensor.
5. A point rail closeness measuring system according to claim 1, characterized in that the measuring bracket (4) is L-shaped, and that the horizontal section of the measuring bracket (4) is fixedly arranged on the point rail (2), and that the longitudinal section of the measuring bracket (4) is exposed to the point rail (2) and perpendicular to the axis of the stock rail (1), and that the collecting opening of the second displacement collecting device is directed towards the longitudinal section of the measuring bracket (4).
6. A point rail close contact measuring method is characterized by comprising the following steps:
s1: arranging a first acquisition module (3) for acquiring the transverse displacement of the stock rail (1) at the outer side of the stock rail (1); arranging a second acquisition module (3) for acquiring the transverse displacement of the switch rail (2) at the bottom of the stock rail (1);
s2: and analyzing the close contact state of the switch rail (2) according to the transverse displacement of the stock rail (1) and the transverse displacement of the switch rail (2).
7. The point contact measuring method according to claim 6, wherein said S2 comprises the substeps of:
s21: acquiring the transverse displacement of the stock rail (1) and the transverse displacement of the measuring bracket (4);
s22: analyzing the close contact state of the switch rail (2) according to the transverse displacement of the stock rail (1) and the transverse displacement of the measuring bracket (4);
s23: and when the close contact state of the switch rail (2) is abnormal, alarming is carried out.
8. The method for measuring point contact according to claim 7, wherein said S22 comprises the following analysis processes:
if the transverse displacement of the stock rail (1) is zero and the transverse displacement of the measuring bracket (4) is equal to the preset transverse displacement, the close contact state of the switch rail (2) is normal;
if the transverse displacement of the stock rail (1) is zero and the transverse displacement of the measuring bracket (4) is not equal to the preset transverse displacement, the close contact state of the switch rail (2) is abnormal;
if the transverse displacement of the stock rail (1) is not equal to zero, the close contact state of the switch rail (2) is abnormal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011331321.1A CN112458806A (en) | 2020-11-24 | 2020-11-24 | Switch rail close contact measurement system and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011331321.1A CN112458806A (en) | 2020-11-24 | 2020-11-24 | Switch rail close contact measurement system and method |
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| CN112458806A true CN112458806A (en) | 2021-03-09 |
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| CN202011331321.1A Pending CN112458806A (en) | 2020-11-24 | 2020-11-24 | Switch rail close contact measurement system and method |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203964858U (en) * | 2014-06-23 | 2014-11-26 | 杭州慧景科技有限公司 | The closely connected monitoring device of a kind of railroad turnout steel rail |
| CN204726455U (en) * | 2015-04-23 | 2015-10-28 | 广州市地下铁道总公司 | Based on the switch status checking system of tongue displacement |
| CN105544328A (en) * | 2016-02-15 | 2016-05-04 | 李旭光 | Steel rail longitudinal displacement monitoring system |
| US20180273060A1 (en) * | 2017-03-27 | 2018-09-27 | Harsco Technologies LLC | Track geometry measurement system with inertial measurement |
| WO2019018235A1 (en) * | 2017-07-15 | 2019-01-24 | Deka Products Limited Partnership | Mobility device |
-
2020
- 2020-11-24 CN CN202011331321.1A patent/CN112458806A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203964858U (en) * | 2014-06-23 | 2014-11-26 | 杭州慧景科技有限公司 | The closely connected monitoring device of a kind of railroad turnout steel rail |
| CN204726455U (en) * | 2015-04-23 | 2015-10-28 | 广州市地下铁道总公司 | Based on the switch status checking system of tongue displacement |
| CN105544328A (en) * | 2016-02-15 | 2016-05-04 | 李旭光 | Steel rail longitudinal displacement monitoring system |
| US20180273060A1 (en) * | 2017-03-27 | 2018-09-27 | Harsco Technologies LLC | Track geometry measurement system with inertial measurement |
| WO2019018235A1 (en) * | 2017-07-15 | 2019-01-24 | Deka Products Limited Partnership | Mobility device |
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Application publication date: 20210309 |