CN108086068B - Track geometric parameter single-chord measurement system and corresponding measurement method thereof - Google Patents
Track geometric parameter single-chord measurement system and corresponding measurement method thereof Download PDFInfo
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- CN108086068B CN108086068B CN201611040218.5A CN201611040218A CN108086068B CN 108086068 B CN108086068 B CN 108086068B CN 201611040218 A CN201611040218 A CN 201611040218A CN 108086068 B CN108086068 B CN 108086068B
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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 utility model provides a track geometry parameter single chord measurement system, includes preceding measurement dolly (1), middle measurement dolly (10) and back measurement dolly (7) at least three measurement dolly, is connected between this preceding measurement dolly (1), middle measurement dolly (10) and the back measurement dolly (7) and measures the steel string, preceding measurement dolly (1) is equipped with preceding superelevation measurement sensor (2), is equipped with vector distance measurement sensor (5), indulge flat measurement sensor (9) and middle superelevation measurement sensor (6) on middle measurement dolly (10), and back measurement dolly (7) are equipped with back superelevation measurement sensor (8), and the straight plane that the measurement steel string was located is reference plane (13) and measures rail point actual leveling value. The track geometric parameter single-chord measurement system has the advantages that the single-chord measurement is adopted, compared with a three-chord measurement system, the measurement mechanism and the sensor can be reduced, and particularly, a large amount of installation space can be saved for a vehicle type with a compact structure (such as a vehicle type with the track gauge smaller than the standard track gauge 1435 mm). The utility model can also be used in track work recording and the like.
Description
Technical Field
The utility model relates to a railway track geometric parameter measurement system, and belongs to the technical field of railway track measurement.
Background
The maintenance track lifting operation of the newly built ballasted railway and the existing ballasted railway requires measuring geometric parameters (transverse level, direction vector, longitudinal rail level and the like) of the railway line, and then inputting the geometric parameters into a tamping car or a stabilizing car for correction operation.
At present, the track geometric parameter measuring systems of the tamping car and the stabilizing car adopt a measuring method for measuring the longitudinal level of each of the left and right steel tracks by using an ultrahigh sensor to measure the transverse level and the single-string measuring direction vector and double-string measuring. The measuring system mainly comprises three measuring trolleys, a direction measuring steel string, two leveling (longitudinal horizontal) measuring strings, a vector distance measuring sensor, three ultrahigh measuring sensors and two leveling sensors. When in operation measurement, the trolley transversely loads the reference steel rail to be tightly attached to the inner side surface of the steel rail, the ultrahigh (transverse horizontal) of the position of the trolley is measured by the ultrahigh measuring sensor, the track-out direction is measured by the vector distance measuring sensor, the longitudinal horizontal value of each steel rail is measured by the leveling sensor, and then the longitudinal horizontal value is input into a computer system of the tamping or stabilizing vehicle for line correction operation. In the prior art, the number of measuring mechanisms and sensors is large, so that the error is slightly high, the required arrangement space is large, and the vehicle type with small track gauge is difficult to adapt.
The utility model patent in China with the application number of 201320876379.3 discloses a meter-gauge stabilizing car measuring device, which comprises a measuring trolley, wherein the measuring trolley comprises a trolley frame, trolley wheels are arranged below the trolley frame, a single-chord measuring system is arranged below the trolley frame, a double-chord measuring system and an electronic pendulum are arranged above the trolley frame, and the distance between the trolley wheels below the trolley frame is suitable for running on a meter-gauge steel rail. The measuring device carries out structural design of the measuring system of the stabilizer bar rail used by the meter bar rail, so that the using range of the stabilizer bar is enlarged, meanwhile, the size of the whole structure of the stabilizer bar is reduced according to the limit of the meter bar and the size of the gauge, the structural layout space of the measuring system is reduced, the measuring precision is ensured while the space layout is reduced, but the measuring mechanism is still more numerous.
Disclosure of Invention
The utility model sets that: the direction along which the steel rail extends is a longitudinal direction, the direction along which the earth is drawn is a vertical direction, and the direction perpendicular to the longitudinal direction and the vertical direction is a transverse direction.
The utility model provides a track geometric parameter single-chord measurement system which comprises at least three measurement trolleys, namely a front measurement trolley, a middle measurement trolley and a rear measurement trolley, wherein a measurement steel chord is connected between the front measurement trolley and the rear measurement trolley, the front measurement trolley is provided with a front ultrahigh measurement sensor, the middle measurement trolley is provided with a vector distance measurement sensor, a longitudinal flat measurement sensor and a middle ultrahigh measurement sensor, and the rear measurement trolley is provided with a rear ultrahigh measurement sensor.
Preferably, the tension mechanism for measuring the steel string is tensioned between the front measuring trolley and the rear measuring trolley and passes through the measuring mechanisms of the vector distance measuring sensor and the longitudinal leveling measuring sensor.
The track lateral leveling system is detected by the front, middle and rear ultra-high measurement sensors. Taking a plane parallel to the horizontal position of the front measuring trolley and the straight line where the over-measuring steel string is positioned as a reference plane; setting a virtual leveling chord along two contact points of a front measuring trolley and a rear measuring trolley of the same side (left or right) rail, and calculating an actual leveling value between the virtual leveling chord and the rail on the same side at the center of the middle measuring trolley. Setting:
C D the front measurement hypervalue 22, i.e. the distance of the left and right rail in the vertical direction at the front measurement trolley axis.
C C An intermediate measurement hypervalue 18, i.e. the distance between the left and right rail in the vertical direction at the center of the intermediate measurement trolley.
C B Post-measurement of the super high value, i.e. the distance of the left and right rail in the vertical direction at the post-measurement trolley axis 15.
L C And a measured longitudinal horizontal value, namely the distance between the longitudinal connecting line of the middle point of the front and back measuring trolley axis and the middle point of the middle measuring trolley axis in the vertical direction.
L FM -front midsection chord length.
L MR- Middle and rear chord length.
L FR- Front and back chord lengths.
C L- The actual leveling value of the left steel rail, namely the distance between the middle measuring trolley contact point of the top surface of the left steel rail and the longitudinal connecting line of the front and rear measuring trolley contact points in the vertical direction.
C R -the actual leveling value of the right rail. The distance between the contact point of the measuring trolley at the middle of the top surface of the right steel rail and the longitudinal connecting line of the contact point of the front measuring trolley and the rear measuring trolley in the vertical direction is measured.
The actual leveling value for the left rail is:
right leveling value calculation is the same as left:
the front measuring trolley, the middle measuring trolley and the rear measuring trolley are simultaneously and in the same direction and close to the left steel rail or the right steel rail in the transverse direction during the measuring operation, the vertical direction is simultaneously and close to the top surfaces of the left steel rail and the right steel rail, and the front ultrahigh measuring sensor can measure the ultrahigh value of the track at the front measuring trolley in real time; the rear ultrahigh measuring sensor measures the rail ultrahigh value of the rear measuring trolley in real time; the vector distance measuring sensor measures the vector distance value of the direction of the steel rail close to the side in real time, the middle ultrahigh measuring sensor measures the middle rail ultrahigh value in real time, the longitudinal leveling measuring sensor measures the longitudinal leveling value of the center line of the steel rail, and the values are collected and then transmitted to the calculating unit so as to provide operation basis for the operation vehicle.
The second aspect of the utility model also provides a stabilizer car adopting the track geometry single-chord measurement system, which comprises a stabilizer car body, wherein the stabilizer car body is internally provided with the track geometry single-chord measurement system according to the first aspect of the utility model.
The track geometric parameter single-chord measurement system has the advantages that the single-chord measurement is adopted, compared with a three-chord measurement system, the measurement mechanism and the sensor can be reduced, and particularly, a large amount of installation space can be saved for a vehicle type with a compact structure (such as a vehicle type with the track gauge smaller than the standard track gauge 1435 mm). The utility model can also be used in track work recording and the like.
Drawings
FIG. 1 is a schematic diagram of a track geometry single chord measurement system according to a preferred embodiment of the utility model.
FIG. 2 is a model of the orbit geometry calculation for the embodiment shown in FIG. 1.
The meaning of the labels in the figures is:
front measuring trolley, front ultrahigh measuring sensor 2, right side rail 3, measuring steel string 4, vector distance 5, middle ultrahigh measuring sensor 6, rear measuring trolley 7,
8 rear ultra-high measuring sensor, 9 longitudinal and horizontal measuring sensor, 10 middle measuring trolley,
The left side rail is 11, the front measuring trolley axle center is 12, the reference plane is 13, the longitudinal horizontal value is 14, the rear measuring trolley axle center is 15, the rear measuring ultrahigh value is 16, the middle measuring trolley axle center is 17, the middle measuring ultrahigh value is 18, the actual leveling value is 19, the virtual leveling chord is 20, the horizontal plane is 21, and the front measuring ultrahigh value is 22.
Detailed Description
Embodiment 1.1A track geometry parameter single-string measuring system comprises a front measuring trolley 1, a middle measuring trolley 10 and a rear measuring trolley 7, wherein a measuring steel string 4 is tensioned between the front measuring trolley 1 and the rear measuring trolley 7 by a tensioning mechanism and passes through measuring mechanisms of a vector distance measuring sensor 5 and a longitudinal leveling measuring sensor 9, the track geometry parameter single-string measuring system comprises the front measuring trolley 1, the middle measuring trolley 10 and the rear measuring trolley 7, the track geometry parameter single-string measuring system simultaneously leans against a steel rail 3 or a left steel rail 11 in the same direction, the vertical direction leans against the top surfaces of the steel rail 3 and the steel rail 11 at the same time, the front ultrahigh measuring sensor 2 is arranged on the front measuring trolley 1 and can measure the distance between the left steel rail and the right steel rail of the position of the front measuring trolley 1 in the vertical direction in real time, the vector distance measuring sensor 5, the middle ultrahigh measuring sensor 6 and the longitudinal leveling measuring sensor 9 are arranged on the middle measuring trolley 10, the relative positions of the front measuring trolley 1 and the rear measuring trolley 7 in the direction and the longitudinal leveling measuring trolley 7 in the longitudinal direction in real time respectively, and the rear ultrahigh measuring sensor 8 is arranged on the rear measuring trolley 7 in the vertical direction and the vertical direction of the position of the rear measuring trolley 7.
The vector distance measuring sensor 5 measures the vector distance value of the direction of the rail 3 or the rail 11 on the left side in real time, the front ultrahigh measuring sensor 2, the middle ultrahigh measuring sensor 6 and the rear ultrahigh measuring sensor 8 measure the front ultrahigh value 22, the middle ultrahigh value 18 and the rear ultrahigh value 16 in real time, and the longitudinal leveling measuring sensor 9 measures the longitudinal leveling value 14 of the measuring string 4 at the middle measuring trolley 10 relative to two points of the front measuring trolley 1 and the rear measuring trolley 7.
Taking a plane parallel to the horizontal position of a measuring trolley of a front electronic pendulum (or a rear electronic pendulum) and a straight line of an overdetermined steel chord as a reference plane 13; setting a virtual leveling chord 20 along one end of the left steel rail 11, and measuring an actual leveling value 19 between the virtual leveling chord 20 and the left steel rail 11 at the center of the middle measuring trolley axle 17;
setting:
C D the front measurement hypervalue 22, i.e. the distance of the left and right rail in the vertical direction at the front measurement trolley axis.
C C An intermediate measurement hypervalue 18, i.e. the distance between the left and right rail in the vertical direction at the center of the intermediate measurement trolley.
C B Post-measurement of the super high value, i.e. the distance of the left and right rail in the vertical direction at the post-measurement trolley axis 15.
L C And a measured longitudinal horizontal value, namely the distance between the longitudinal connecting line of the middle point of the front and back measuring trolley axis and the middle point of the middle measuring trolley axis in the vertical direction.
L FM -front midsection chord length.
L MR- Middle and rear chord length.
L FR- Front and back chord lengths.
C L- The actual leveling value of the left steel rail, namely the distance between the middle measuring trolley contact point of the top surface of the left steel rail and the longitudinal connecting line of the front and rear measuring trolley contact points in the vertical direction.
C R -the actual leveling value of the right rail. The distance between the contact point of the measuring trolley at the middle of the top surface of the right steel rail and the longitudinal connecting line of the contact point of the front measuring trolley and the rear measuring trolley in the vertical direction is measured.
The actual leveling value for the left rail is:
right leveling value calculation is the same as left:
the geometric parameter direction (normal vector), horizontal leveling (front, middle and rear three points are ultrahigh), vertical leveling and left and right leveling required by the track operation are all calculated, and the result can be input into a corresponding calculation unit, so that the requirements of the tamping car and the stabilizing car on the track operation measurement system are met. The requirement of line geometric parameter recording after the operation of the track operation recorder can be met, and other necessary parts can be added in the embodiment.
Example 1.2A track geometry single chord measurement system is composed of the following components:
the front measuring trolley 1, the middle measuring trolley 10 and the rear measuring trolley 7 are provided with three measuring trolleys, the measuring steel wire 4 is tensioned between the front measuring trolley 1 and the rear measuring trolley 7 by a tensioning mechanism and passes through a vector distance measuring sensor 5 and a longitudinal leveling measuring sensor 9, the front measuring trolley 1 is provided with a front ultrahigh measuring sensor 2, the middle measuring trolley 10 is provided with the vector distance measuring sensor 5, the longitudinal leveling measuring sensor 9 and the middle ultrahigh measuring sensor 6, the measuring steel wire comprises the three measuring trolleys of the front measuring trolley 1, the middle measuring trolley 10 and the rear measuring trolley 7, simultaneously leans against a steel rail 3 or a left steel rail 11 in the same direction, and leans against the steel rail 3 and the steel rail 11 in the vertical direction simultaneously, the front ultrahigh measuring sensor 2 is arranged on the front measuring trolley 1 and can measure the distance between the left steel rail and the right steel rail of the axis of the front measuring trolley 1 in the vertical direction in real time, the vector distance measuring sensor 5, the middle ultrahigh measuring sensor 6 and the longitudinal leveling measuring sensor 9 are arranged on the middle measuring trolley 10, the distances between the middle measuring trolley 10 and the left steel rail and the right steel rail of the front measuring trolley 1 and the rear measuring trolley 7 in the vertical direction and the longitudinal horizontal position and the left steel rail and the right steel rail of the middle measuring trolley in the vertical direction are respectively measured in real time, the rear ultrahigh measuring sensor 8 is arranged on the rear measuring trolley 7, and the distance between the left steel rail and the right steel rail of the axis of the rear measuring trolley 7 in the vertical direction is measured in real time.
The vector distance measuring sensor 5 measures the vector distance value of the direction of the rail 3 or the rail 11 on the left side in real time, the front ultrahigh measuring sensor 2, the middle ultrahigh measuring sensor 6 and the rear ultrahigh measuring sensor 8 measure the front ultrahigh value 22, the middle ultrahigh value 18 and the rear ultrahigh value 16 in real time, and the longitudinal leveling measuring sensor 9 measures the longitudinal leveling value 14 of the measuring string 4 at the middle measuring trolley 10 relative to two points of the front measuring trolley 1 and the rear measuring trolley 7.
The calculation principle of this embodiment is the same as that of embodiment 1.1.
Example 1.3A stabilizer car employing a track geometry single chord measurement system comprising a stabilizer car body incorporating a track geometry single chord measurement system as described in example 1.1.
Example 1.4A stabilizer car employing a track geometry single chord measurement system comprising a stabilizer car body incorporating a track geometry single chord measurement system as described in example 1.2.
Claims (7)
1. The utility model provides a track geometry parameter single string measurement system, includes preceding measurement dolly (1), middle measurement dolly (10) and back measurement dolly (7) at least three measurement dolly, is connected between this preceding measurement dolly (1), middle measurement dolly (10) and back measurement dolly (7) and is measured steel string (4), preceding super high measurement sensor (2) are equipped with in preceding measurement dolly (1), is equipped with vector distance measurement sensor (5), indulge flat measurement sensor (9) and middle super high measurement sensor (6) on middle measurement dolly (10), and back super high measurement sensor (8) are equipped with in back measurement dolly (7), its characterized in that: taking a plane parallel to the horizontal position of the front measuring trolley and a straight line where the overdetermined steel string is positioned as a reference plane (13); a virtual leveling chord (20) is set along two contact points of the front and rear measuring trolley of the steel rail on the same side, and an actual leveling value (19) between the virtual leveling chord (20) and the steel rail on the same side is calculated at a center (17) of the middle measuring trolley.
2. The track geometry single chord measurement system according to claim 1, wherein: and the measuring mechanism is used for tensioning the measuring steel string (4) between the front measuring trolley (1) and the rear measuring trolley (7) by using a tensioning mechanism and passing through the vector distance measuring sensor (5) and the longitudinal leveling measuring sensor (9).
3. The track geometry single chord measurement system according to claim 1 or 2, wherein: the vector distance measuring sensor (5) measures the vector distance value of the direction of the steel rail (3) close to the side or the steel rail (11) on the left side in real time, the front ultrahigh measuring sensor (2), the middle ultrahigh measuring sensor (6) and the rear ultrahigh measuring sensor (8) measure the front ultrahigh measuring value (22), the middle ultrahigh measuring value (18) and the rear ultrahigh measuring value (16) in real time, and the longitudinal leveling measuring sensor (9) measures the longitudinal leveling value (14) of the measuring steel wire (4) at the middle measuring trolley (10) relative to two points of the front measuring trolley (1) and the rear measuring trolley (7);
setting:
C D -front measuring the ultra high value (22), i.e. the distance of the left and right rail at the front measuring trolley (12) in the vertical direction;
C C -intermediate measurement of the ultra-high value (18), i.e. the distance of the left and right rail in the vertical direction at the centre of the axle (17) of the intermediate measurement trolley;
C R -post-measuring an ultra high value (16), i.e. the distance of the left and right rail in the vertical direction at the post-measuring trolley (15);
L C -measuring a longitudinal level (14), i.e. the point of contact of the measuring trolley in the middle of the rail centre line is small with respect to the front-rear measurement;
the distance of the longitudinal connecting line of the vehicle contact point in the vertical direction;
L FM -a front midsection chord length;
L MR -mid-aft chord length;
L FR -front and rear chord lengths;
C L -actual leveling value (19) of left rail, i.e. the contact point of the intermediate measuring trolley of left rail relative to
Measuring the distance of the longitudinal connecting line of the trolley contact points in the vertical direction from front to back;
the actual leveling value for the left rail is:
4. a track geometry single chord measurement system as defined in claim 3 wherein: the right steel rail leveling value is:
C R actual leveling of the right rail.
5. A track geometry single chord measurement system consisting of:
the measuring device comprises at least three measuring trolleys, namely a front measuring trolley (1), a middle measuring trolley (10) and a rear measuring trolley (7), wherein a measuring steel wire (4) is tensioned between the front measuring trolley (1) and the rear measuring trolley (7) by a tensioning mechanism and passes through a measuring mechanism of a vector distance measuring sensor (5) and a longitudinal leveling measuring sensor (9), the front measuring trolley (1) is provided with a front ultrahigh measuring sensor (2), the middle measuring trolley (10) is provided with the vector distance measuring sensor (5), the longitudinal leveling measuring sensor (9) and the middle ultrahigh measuring sensor (6), the rear measuring trolley (7) is provided with a rear ultrahigh measuring sensor (8), and a plane parallel to the horizontal position of the measuring trolley of a front electronic pendulum (or a rear electronic pendulum) and passing through a straight line where the measuring steel wire is positioned is taken as a reference plane (13); one end along left side rail (11) sets up a virtual leveling string (20), calculates in middle measurement trolley axle center (17) and obtains actual leveling value (19) between this virtual leveling string (20) and left side rail (11), its characterized in that:
setting:
C D -front measuring the ultra-high value (22), i.e. the distance of the left and right rails in the vertical direction at the axle center (12) of the front measuring trolley;
C C -intermediate measurement of the ultra-high value (18), i.e. the distance of the left and right rail in the vertical direction at the centre of the axle (17) of the intermediate measurement trolley;
C R -post-measuring the ultra-high value (16), i.e. the distance of the left and right rails in the vertical direction at the axle center (15) of the post-measuring trolley;
L C -measuring a longitudinal level (14), i.e. the point of contact of the measuring trolley in the middle of the rail centre line is small with respect to the front-rear measurement;
the distance of the longitudinal connecting line of the vehicle contact point in the vertical direction;
L FM -a front midsection chord length;
L MR -mid-aft chord length;
L FR -front and rear chord lengths;
C L -the actual leveling value (19) of the left rail, i.e. the distance in the vertical direction of the left rail intermediate measuring trolley contact point relative to the longitudinal line of the front and rear measuring trolley contact points;
the actual leveling value for the left rail is:
6. the track geometry single chord measurement system according to claim 5, wherein: the right steel rail leveling value is:
wherein: c (C) R Actual leveling of the right rail.
7. The utility model provides an adopt track geometry single chord measurement system's stabilizer car, its characterized in that includes the stabilizer car body: the stabilizer car body is internally provided with the track geometric parameter single chord measurement system as defined in any one of claims 1 to 6.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201611040218.5A CN108086068B (en) | 2016-11-23 | 2016-11-23 | Track geometric parameter single-chord measurement system and corresponding measurement method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201611040218.5A CN108086068B (en) | 2016-11-23 | 2016-11-23 | Track geometric parameter single-chord measurement system and corresponding measurement method thereof |
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| Publication Number | Publication Date |
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| CN108086068A CN108086068A (en) | 2018-05-29 |
| CN108086068B true CN108086068B (en) | 2023-04-21 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT306771B (en) * | 1966-09-26 | 1973-04-25 | Plasser Bahnbaumasch Franz | Device for monitoring, possibly also for recording and registering the position or the course of a track |
| GB1463973A (en) * | 1973-05-23 | 1977-02-09 | British Railways Board | Optical systems for datum establishment |
| CN2778867Y (en) * | 2005-03-07 | 2006-05-10 | 长沙悦诚机电科技有限公司 | Orbit static geometrical parameter detecting vehicle. |
| CN200949195Y (en) * | 2006-09-05 | 2007-09-19 | 北京龙达科技开发有限公司 | Photoelectric instrumentation system |
| CN206428536U (en) * | 2016-11-23 | 2017-08-22 | 中国铁建高新装备股份有限公司 | A kind of orbit geometry parameter monochord measuring system |
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