CN204570401U - Track geometry status instrument for quick measuring - Google Patents
Track geometry status instrument for quick measuring Download PDFInfo
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- CN204570401U CN204570401U CN201520215786.9U CN201520215786U CN204570401U CN 204570401 U CN204570401 U CN 204570401U CN 201520215786 U CN201520215786 U CN 201520215786U CN 204570401 U CN204570401 U CN 204570401U
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Abstract
The utility model discloses a kind of track geometry status instrument for quick measuring, comprise hand propelled track detection car, inertial navigation system, obliquity sensor, linear displacement transducer, vehicle speed mileage sensor, intelligent total powerstation and data acquisition controller; The main body of track geometry status instrument for quick measuring is can along the hand propelled track detection car of track traveling, sensor and inertial navigation system, intelligent total powerstation and the data acquisition controller such as integrated detection vehicle speed mileage, gauge, inclination angle on hand propelled track detection car.The principle that track geometry status instrument for quick measuring combines with relative measurement based on absolute measurement, can detect in real time the mileage of track, gauge, level, twist irregularity, rail to the plane of the track geometry ride comfort evaluatings such as height and track and elevation absolute deviation.This track geometry status instrument for quick measuring realizes the detection of the parameter of track by inertial navigation system, and carries out absolute bound by intelligent total powerstation, and precision is high, and speed is fast, is affected by the external environment less.
Description
Technical field
The utility model relates to a kind of track geometry measuring device, particularly relates to a kind of track geometry status instrument for quick measuring.
Background technology
Along with the raising of train running speed, to railroad track geometry conditions dictate also in raising.In order to ensure goods train run safety and passenger train run comfortableness, train wheel track intercropping in the past by unconspicuous long track geometry irregularities phenomenon along with the raising of train running speed displays gradually.Track irregularity is a kind of external disturbance to rail vehicle system, is the main contributor that travelled by vehicle portion produces vibrations, even derails.And the ride comfort difference of track also can make train wheel track contact surface be subject to stronger impact force, accelerates wearing and tearing and the destruction of wheel track, causes potential threat to traffic safety.
In current track checkout equipment, general employing trolley type rail checking instrument and conventional rails geometry state measurement instrument, trolley type rail checking instrument is pure relative measuring device, and it utilizes the rail of gyroscope survey track to wait ride comfort parameter to height.But general gyroscope precision is low, make the cumulative errors detecting data large, and calibration operation difficulty, certainty of measurement does not reach raising speed railway requirement at all.Traditional track geometry status measuring instrument is pure absolute measurement equipment, and it utilizes the absolute position of intelligent total station survey track, so the rail calculating track to the ride comfort parameter such as height, precision is high, but measurement efficiency is very low.
Utility model content
The utility model object is to provide a kind of track geometry status instrument for quick measuring, and it can realize carrying out high accuracy to orbital forcing parameter and detect fast.
The utility model technical solution problem adopts following technical scheme: a kind of track geometry status instrument for quick measuring, comprises hand propelled track detection car, inertial navigation system, obliquity sensor, linear displacement transducer, vehicle speed mileage sensor, intelligent total powerstation and data acquisition controller;
Described inertial navigation system, obliquity sensor, linear displacement transducer, vehicle speed mileage sensor, intelligent total powerstation and data acquisition controller are all arranged on described hand propelled track detection car;
Described inertial navigation system signal is connected to described data acquisition controller, is passed to described data acquisition controller for the position variation signal of one rail in level and vertical plane described inertial navigation system detected;
Described obliquity sensor signal is connected to described data acquisition controller, and the dip angle parameter for the hand propelled track detection car detected by described obliquity sensor is sent to described data acquisition controller;
Described linear displacement transducer signal is connected to described data acquisition controller, is sent to described data acquisition controller for the range data between two tracks being detected by described linear displacement transducer;
Described vehicle speed mileage sensor signal is connected to described data acquisition controller, and the GES for the hand propelled track detection car detected by described vehicle speed mileage sensor is passed to described data acquisition controller;
Described intelligent total powerstation signal is connected to described data acquisition controller, and the track centerline absolute coordinate for the hand propelled track detection car position detected by described intelligent total powerstation is sent to described data acquisition controller.
Optionally, described hand propelled track detection car comprises T-shaped vehicle frame, road wheel and hand handle;
Described road wheel is 3, and described two road wheels are fixed on the horizontal longitudinal edge of described T-shaped vehicle frame rotationally; Another road wheel described is fixed on the horizontal horizontal edge of described T-shaped vehicle frame rotationally;
Described hand is being articulated with on the horizontal horizontal edge of described T-shaped vehicle frame.
Optionally, described data acquisition controller is arranged at described hand upper.
Optionally, described intelligent total powerstation is arranged on the horizontal longitudinal edge of described T-shaped vehicle frame.
Optionally, described inertial navigation system is arranged on the horizontal horizontal edge of described T-shaped vehicle frame.
The utility model has following beneficial effect: the main body of described track geometry status instrument for quick measuring be one can along the hand propelled track detection car of track traveling, sensor and inertial navigation system, intelligent total powerstation and the data acquisition controller such as integrated detection vehicle speed mileage, gauge, inclination angle on described hand propelled track detection car.The principle that described track geometry status instrument for quick measuring combines with relative measurement based on absolute measurement, can detect in real time the mileage of track, gauge, level (superelevation), twist irregularity, rail to the plane of the track geometry ride comfort evaluatings such as height and track and elevation absolute deviation.Inertial navigation system is used for orbit geometry parameter and detects by this track geometry status instrument for quick measuring, and precision is higher, and it is less to be affected by the external environment.Can be used for that Ballast track rises, track lining measurement amount, coordinate large machine operation, also can be used for ballastless track fine adjustment maintenance conditions.
Accompanying drawing explanation
Fig. 1 is the structural representation of track geometry status instrument for quick measuring of the present utility model;
Fig. 2 is the electrical block diagram of track geometry status instrument for quick measuring of the present utility model;
In figure, mark is illustrated as: 1-inertial navigation system; 2-obliquity sensor; 3-linear displacement transducer; 4-vehicle speed mileage sensor; 5-intelligence total powerstation; 6-data acquisition controller; 7-T type vehicle frame; 8-road wheel; 9-hand handle.
Detailed description of the invention
Below in conjunction with embodiment, the technical solution of the utility model is further elaborated.
Embodiment 1
With reference to figure 1, present embodiments provide a kind of track geometry status instrument for quick measuring, it comprises hand propelled track detection car, inertial navigation system 1, obliquity sensor 2, linear displacement transducer 3, vehicle speed mileage sensor 4, intelligent total powerstation 5 and data acquisition controller 6;
Described hand propelled track detection car comprises T-shaped vehicle frame 7, road wheel 8 and hand 9; Described road wheel 8 is 3, and described T-shaped vehicle frame 7 comprises horizontal longitudinal edge and the horizontal horizontal edge perpendicular to described horizontal longitudinal edge, and one end of described horizontal horizontal edge is arranged at the middle part of described horizontal longitudinal edge; Described two road wheels 8 are fixed on the horizontal longitudinal edge of described T-shaped vehicle frame rotationally, and are positioned at the two ends of the horizontal longitudinal edge of described T-shaped vehicle frame; Another road wheel 8 described is fixed on the horizontal horizontal edge of described T-shaped vehicle frame rotationally, and is positioned at horizontal horizontal edge one end away from described horizontal longitudinal edge of described T-shaped vehicle frame; Described hand is articulated with 9 on the horizontal horizontal edge of described T-shaped vehicle frame 7; In operation, described hand propelled track detection car is positioned on described track, and make the horizontal longitudinal edge of described T-shaped vehicle frame 7 and described parallel track, the horizontal horizontal edge of described T-shaped vehicle frame and described race orthogonal, two road wheels that the horizontal longitudinal edge of described T-shaped vehicle frame 7 is installed are positioned on a track, and along described non-orbiting scroll, form the fixed end of described hand propelled track detection car; Be installed on the road wheel on described horizontal horizontal edge and another rail contact, and along this non-orbiting scroll, form the movable end of described hand propelled track detection car; Now user can be travelled forward the described hand propelled track detection car of 9 promotion by hand;
Described inertial navigation system 1 is arranged on the horizontal horizontal edge of described T-shaped vehicle frame 7, and its signal is connected to described data acquisition controller 6, for change in location (relative coordinate) the signal transmission extremely described data acquisition controller 6 of one rail (side at horizontal longitudinal edge (fixed end) place of hand propelled track detection car) in level and vertical plane that described inertial navigation system 1 is detected.
Described obliquity sensor 2 is arranged on the horizontal horizontal edge of described T-shaped vehicle frame 7, the angle between the plane that the surface for detecting described two tracks is formed and horizontal plane, the i.e. inclination angle of described track; And described obliquity sensor 2 signal is connected to described data acquisition controller 6, the above-mentioned data for being detected by described obliquity sensor 2 are sent to described data acquisition controller 6;
Described linear displacement transducer 3 is arranged on the horizontal horizontal edge of described T-shaped vehicle frame 7, and the test side of described linear displacement transducer 3 contacts described rail, when described T-shaped vehicle frame 7 moves along described rail, by the movement of the test side of described linear displacement transducer 3, obtain the distance between described two rail; And described linear displacement transducer 3 signal is connected to described data acquisition controller 6, be sent to described data acquisition controller 6 for the range data between two tracks being detected by described linear displacement transducer 3.
Described vehicle speed mileage sensor 4 is fixed on described T-shaped vehicle frame 7, and described vehicle speed mileage sensor 4 can adopt the vehicle speed mileage sensor based on Hall element, such as can adopt the LC series vehicle speed mileage sensor produced by upper marine site letter power Science and Technology Ltd., when the road wheel 8 on described T-shaped vehicle frame 7 rotates, described Hall element is when described road wheel rotates one week, export a pulse signal, and described vehicle speed mileage sensor 4 (Hall element) signal is connected to described data acquisition controller 6, and described pulse signal is passed to described data acquisition controller 6, described data acquisition controller 6 obtains the speed of described T-shaped vehicle frame 7 according to the frequency of described pulse signal, obtains according to the number of described pulse signal the mileage that described T-shaped vehicle frame 7 walks.
Described intelligent total powerstation 5 is fixed on described T-shaped vehicle frame 7, and its signal is connected to described data acquisition controller 6, in horizontal plane and vertical plane, be sent to described data acquisition controller 6 relative to the absolute deviation of design attitude for the track detected by described intelligent total powerstation 5.
Described data acquisition controller 6 is arranged at described hand on 9, data for detecting described inertial navigation system 1, obliquity sensor 2, linear displacement transducer 3, vehicle speed mileage sensor 4 and intelligent total powerstation 5 process, thus the orbit inclination angle data that can be detected by described obliquity sensor 2 (angle of two strands of top surface of rail peak lines and horizontal direction) calculate level (superelevation) parameter of track; The resistance value detected by potentiometer on described linear displacement transducer 3 obtains the gauge parameter of track; The exomonental number recorded by described vehicle speed mileage sensor 4 obtains the mileage parameter of track; The position variation signal recorded by described inertial navigation system 1 obtains one rail (side at the dolly fixed end place) change in location (relative coordinate) in level and vertical plane; The data detected by described intelligent total powerstation 5 obtain the absolute coordinate of described track, carry out revising (described inertial navigation system 1 exists null offset) and being converted to absolute coordinate for obtaining relative coordinate by described inertial navigation system 1; Described inertial navigation system 1 and described intelligent total powerstation 5 combine and can obtain track high accuracy absolute coordinate.Data Acquisition & Processing Software on described data acquisition controller 6 absolute coordinate of the actual measurement of collection can be projected to Track desigh in the software pre-entered linear on, obtain fully-flattened deviation and the height variation of track; And based on the fully-flattened deviation of each point and height variation, can calculate based on certain chord length track rail to high low value.
Intelligent total powerstation and inertial navigation system are integrated on a hand propelled track detection car by track geometry status instrument for quick measuring of the present utility model, and under the prerequisite ensureing data precision, detection efficiency comparatively traditional means improves greatly.
The sequencing of above embodiment, only for ease of describing, does not represent the quality of embodiment.
Last it is noted that above embodiment is only in order to illustrate the technical solution of the utility model, be not intended to limit; Although be described in detail the utility model with reference to previous embodiment, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of each embodiment technical scheme of the utility model.
Claims (5)
1. a track geometry status instrument for quick measuring, is characterized in that, comprises hand propelled track detection car, inertial navigation system, obliquity sensor, linear displacement transducer, vehicle speed mileage sensor, intelligent total powerstation and data acquisition controller;
Described inertial navigation system, obliquity sensor, linear displacement transducer, vehicle speed mileage sensor, intelligent total powerstation and data acquisition controller are all arranged on described hand propelled track detection car;
Described inertial navigation system signal is connected to described data acquisition controller, is passed to described data acquisition controller for the position variation signal of one rail in level and vertical plane described inertial navigation system detected;
Described obliquity sensor signal is connected to described data acquisition controller, and the dip angle parameter for the hand propelled track detection car detected by described obliquity sensor is sent to described data acquisition controller;
Described linear displacement transducer signal is connected to described data acquisition controller, is sent to described data acquisition controller for the range data between two tracks being detected by described linear displacement transducer;
Described vehicle speed mileage sensor signal is connected to described data acquisition controller, and the GES for the hand propelled track detection car detected by described vehicle speed mileage sensor is passed to described data acquisition controller;
Described intelligent total powerstation signal is connected to described data acquisition controller, and the track centerline absolute coordinate for the hand propelled track detection car position detected by described intelligent total powerstation is sent to described data acquisition controller.
2. track geometry status instrument for quick measuring according to claim 1, is characterized in that, described hand propelled track detection car comprises T-shaped vehicle frame, road wheel and hand handle;
Described road wheel is 3, and described two road wheels are fixed on the horizontal longitudinal edge of described T-shaped vehicle frame rotationally; Another road wheel described is fixed on the horizontal horizontal edge of described T-shaped vehicle frame rotationally;
Described hand is being articulated with on the horizontal horizontal edge of described T-shaped vehicle frame.
3. track geometry status instrument for quick measuring according to claim 2, is characterized in that, described data acquisition controller is arranged at described hand upper.
4. track geometry status instrument for quick measuring according to claim 3, is characterized in that, described intelligent total powerstation is arranged on the horizontal longitudinal edge of described T-shaped vehicle frame.
5. track geometry status instrument for quick measuring according to claim 4, is characterized in that, described inertial navigation system is arranged on the horizontal horizontal edge of described T-shaped vehicle frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520215786.9U CN204570401U (en) | 2015-04-10 | 2015-04-10 | Track geometry status instrument for quick measuring |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520215786.9U CN204570401U (en) | 2015-04-10 | 2015-04-10 | Track geometry status instrument for quick measuring |
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| CN204570401U true CN204570401U (en) | 2015-08-19 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104775342A (en) * | 2015-04-10 | 2015-07-15 | 北京力铁轨道交通设备有限公司 | Quick geometrical state measuring instrument for track |
| CN107128328A (en) * | 2017-04-28 | 2017-09-05 | 中南大学 | A kind of track geometry status detection method based on measurement in a closed series |
| CN109883449A (en) * | 2019-04-04 | 2019-06-14 | 四川拓绘科技有限公司 | A kind of detection method of interior track detection car plane and elevation structural parameters |
| CN111238457A (en) * | 2020-03-12 | 2020-06-05 | 四川拓绘科技有限公司 | Post-processing method for track measurement |
-
2015
- 2015-04-10 CN CN201520215786.9U patent/CN204570401U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104775342A (en) * | 2015-04-10 | 2015-07-15 | 北京力铁轨道交通设备有限公司 | Quick geometrical state measuring instrument for track |
| CN107128328A (en) * | 2017-04-28 | 2017-09-05 | 中南大学 | A kind of track geometry status detection method based on measurement in a closed series |
| CN109883449A (en) * | 2019-04-04 | 2019-06-14 | 四川拓绘科技有限公司 | A kind of detection method of interior track detection car plane and elevation structural parameters |
| CN111238457A (en) * | 2020-03-12 | 2020-06-05 | 四川拓绘科技有限公司 | Post-processing method for track measurement |
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