CN202294869U - Detection device for dynamically detecting curvature of railway track - Google Patents
Detection device for dynamically detecting curvature of railway track Download PDFInfo
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- CN202294869U CN202294869U CN2011204001382U CN201120400138U CN202294869U CN 202294869 U CN202294869 U CN 202294869U CN 2011204001382 U CN2011204001382 U CN 2011204001382U CN 201120400138 U CN201120400138 U CN 201120400138U CN 202294869 U CN202294869 U CN 202294869U
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Abstract
The utility model discloses a detection device for dynamically detecting the curvature of a railway track. The device is applied to the field of dynamic detection of the railway track, and comprises a vehicle body direction angle detection unit, a relative turning angle detection unit, a signal processing unit and a data calculation unit, wherein the vehicle body direction angle detection unit is used for detecting the vehicle body direction angle corresponding to the unit sampling distance; the relative turning angle detection unit is used for detecting the relative angle between the vehicle body and the joint of the centers of two bogies corresponding to the unit sampling distance; the signal processing unit processes signals; and the data calculation unit calculates the curvature of the unit sampling distance. The detection device disclosed by the utility model has high detection speed and high detection precision, and meets the needs of the development of high-speed electric circuits.
Description
Technical field
The utility model relates to railway and detects the control field, relates in particular to a kind of detecting device of railroad track detection of dynamic curvature, and the curvature that is used for railway, underground railway track detects.
Background technology
Curvature measurement is defined as the number of degrees of the central angle θ (spending/30 meters) of curve track (like the 30M) correspondence of certain chord length, and the number of degrees are big greatly more, and curvature is big more, and radius is more little, otherwise the number of degrees are more little, and curvature is more little, and radius is big more.Because train at a high speed through bend the time because the danger of the outer side dumper of the oriented bend of inertia; So in the design of railway with when building; The railway of friction speed grade has been stipulated the minimum radius of the circular curve that vehicle can pass through safely, also is the minimal curve radius of circuit; High speed railway and region of no relief main line railway are general more straight; The radius of curve of using is bigger; The bigger location of restriction that bottle-neck section, marshalling station and the city underground etc. of mountain railway, factory's branch line, car depot's track switch receive landform; Can only use less radius of curve, train must speed limit pass through.Traditional curvature method of inspection is that manual work detects, and uses artificial march rate detection speed slow, and accuracy of detection is low, can not satisfy the needs of high-speed electrified circuit development.
The utility model content
To above-mentioned technical matters, the purpose of the utility model is to provide a kind of detecting device of railroad track detection of dynamic curvature, and it is fast that it has detection speed, the characteristics that accuracy of detection is high.
For achieving the above object, the utility model is realized through following technical scheme:
A kind of detecting device of railroad track detection of dynamic curvature; Said device comprises car body direction angle detecting unit, relative rotation detecting unit, signal processing unit and data computation unit; Said car body direction angle detecting unit is arranged on the car body, is used to the cooresponding car body direction angle of the unit's of detection sampled distance; Said relative rotation detecting unit is arranged on the car body, is used to the relative angle between cooresponding car body of the unit's of detection sampled distance and two bogie pivot center lines; Said signal processing unit is used to handle the detection signal that car body direction angle detecting unit and relative rotation detecting unit import into; Said data computation unit is used to handle the data of importing into from signal processing unit, the cooresponding curvature value of the unit's of calculating sampled distance.
Special, said car body direction angle detecting unit is the rate gyro of shaking the head, the said rate gyro of shaking the head utilizes the signal of the cooresponding car body direction angle of the automatic compensation principle unit of obtaining sampled distance.
Special, said relative rotation detecting unit is the stay cord displacement pickup, said stay cord displacement pickup is arranged on the car body, is used to the relative angle between cooresponding car body of the unit's of detection sampled distance and two bogie pivot center lines.
Special, said signal processing unit is the single order analog filter, said single order analog filter is used for that detection signal is carried out analog filtering to be handled.
Special, said data computation unit is a computing machine, is used to calculate the direction angle of two bogie pivot center lines corresponding to the unit sampled distance, then the curvature value of the unit's of calculating sampled distance.
Special, being provided with digital filter in the said computing machine, said digital filter is used for that the detection signal that receives is carried out digital filter to be handled.
The beneficial effect of the utility model does; The detecting device of said a kind of railroad track detection of dynamic curvature; It comprises car body direction angle detecting unit, relative rotation detecting unit, signal processing unit and data computation unit; The cooresponding car body direction angle of unit sampled distance that goes out according to car body direction angle detection; The cooresponding car body of unit sampled distance that the relative rotation detection goes out and the relative angle of two bogie pivot center line-to-lines are through the processing of signal processing unit, the curvature value of the unit of account sampled distance of data computation unit; Not only detection speed is fast, and accuracy of detection is high.
Description of drawings
According to accompanying drawing and embodiment the utility model is done further explain below.
Fig. 1 is the mounting structure signal of the utility model.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is described further.
Please with reference to shown in Figure 1, Fig. 1 is the mounting structure signal of the utility model.In the present embodiment, a kind of detecting device of railroad track detection of dynamic track distortion, it comprises the rate gyro of shaking the head, stay cord displacement pickup, single order analog filter and computing machine; The said rate gyro of shaking the head is arranged on the car body; The signal that produces according to the rate gyro of shaking the head is proportional to the speed and the rate gyro automatic compensation principle of shaking the head that track inspection vehicle car body direction angle changes, the cooresponding car body direction angle of the unit's of detecting sampled distance signal; Said stay cord displacement pickup also is arranged on the car body, is used to the relative angle signal between cooresponding car body of the unit's of detection sampled distance and two bogie pivot center lines; Said single order analog filter is used for that detection signal is carried out analog filtering to be handled; When handling represented spatial domain frequency signal; Its frequency domain characteristic changes, so single order simulation filter output signal is arranged at the interior digital filter of computing machine and also will proofreaies and correct the frequency-response data variation that the single order analog filter causes after sampling; Mixed processing through analog filtering and digital filter; Detection signal will be in the design-calculated free transmission range, and wherein, the spatial domain amplitude characteristic does not receive the influence of train running speed; Signal after digital filter is handled will be analyzed in computing machine and calculate; According to the direction angle of the cooresponding two bogie pivot center lines of the relative angle unit of calculating sampled distance between car body direction angle and car body and two bogie pivot center lines, the finally curvature value of the unit's of calculating sampled distance.
The detecting device of said railroad track detection of dynamic track distortion detects the curvature method with conventional artificial and compares, and not only detection speed is fast, and accuracy of detection is high, agrees with the needs of high-speed electrified circuit development.
Above-mentioned preferred embodiment and the institute's application technology principle that is merely the utility model; Any technical personnel of being familiar with the present technique field is in the technical scope that the utility model discloses; The variation that can expect easily or replacement, all should be encompassed in the utility model protection domain in.
Claims (6)
1. the detecting device of a railroad track detection of dynamic curvature; It is characterized in that; Said device comprises car body direction angle detecting unit, relative rotation detecting unit, signal processing unit and data computation unit; Said car body direction angle detecting unit is arranged on the car body, is used to the cooresponding car body direction angle of the unit's of detection sampled distance; Said relative rotation detecting unit is arranged on the car body, is used to the relative angle between cooresponding car body of the unit's of detection sampled distance and two bogie pivot center lines; Said signal processing unit is used to handle the detection signal that car body direction angle detecting unit and relative rotation detecting unit import into; Said data computation unit is used to handle the data of importing into from signal processing unit, the cooresponding curvature value of the unit's of calculating sampled distance.
2. the detecting device of railroad track detection of dynamic curvature according to claim 1; It is characterized in that; Said car body direction angle detecting unit is the rate gyro of shaking the head, and the said rate gyro of shaking the head utilizes the signal of the cooresponding car body direction angle of the automatic compensation principle unit of obtaining sampled distance.
3. the detecting device of railroad track detection of dynamic curvature according to claim 1; It is characterized in that; Said relative rotation detecting unit is the stay cord displacement pickup; Said stay cord displacement pickup is arranged on the car body, is used to the relative angle between cooresponding car body of the unit's of detection sampled distance and two bogie pivot center lines.
4. the detecting device of railroad track detection of dynamic curvature according to claim 1 is characterized in that, said signal processing unit is the single order analog filter, and said single order analog filter is used for that detection signal is carried out analog filtering to be handled.
5. according to the detecting device of the described railroad track detection of dynamic of one of claim 1 to 4 curvature; It is characterized in that; Said data computation unit is a computing machine, is used to calculate the direction angle of two bogie pivot center lines corresponding to the unit sampled distance, then the curvature value of the unit's of calculating sampled distance.
6. the detecting device of railroad track detection of dynamic curvature according to claim 5 is characterized in that, is provided with digital filter in the said computing machine, and said digital filter is used for that the detection signal that receives is carried out digital filter to be handled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204001382U CN202294869U (en) | 2011-10-19 | 2011-10-19 | Detection device for dynamically detecting curvature of railway track |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204001382U CN202294869U (en) | 2011-10-19 | 2011-10-19 | Detection device for dynamically detecting curvature of railway track |
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| Publication Number | Publication Date |
|---|---|
| CN202294869U true CN202294869U (en) | 2012-07-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011204001382U Expired - Lifetime CN202294869U (en) | 2011-10-19 | 2011-10-19 | Detection device for dynamically detecting curvature of railway track |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103465938A (en) * | 2013-08-28 | 2013-12-25 | 北京交通大学 | Fast and accurate positioning device and method for railway transit vehicles |
| CN106802575A (en) * | 2015-11-26 | 2017-06-06 | 寇玮华 | The digital control dynamic physical simulation system of marshalling yard's course of work |
| RU2676951C1 (en) * | 2017-12-18 | 2019-01-11 | Федеральное Государственное Бюджетное Образовательное Учреждение Высшего Образования "Казанский Национальный Исследовательский Технический Университет Им. А.Н. Туполева-Каи", (Книту-Каи) | Device for determination and registration of mutual position of rail threads in vertical plane |
-
2011
- 2011-10-19 CN CN2011204001382U patent/CN202294869U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103465938A (en) * | 2013-08-28 | 2013-12-25 | 北京交通大学 | Fast and accurate positioning device and method for railway transit vehicles |
| CN103465938B (en) * | 2013-08-28 | 2016-03-16 | 北京交通大学 | The quick accurate positioning device of rail traffic vehicles and localization method |
| CN106802575A (en) * | 2015-11-26 | 2017-06-06 | 寇玮华 | The digital control dynamic physical simulation system of marshalling yard's course of work |
| RU2676951C1 (en) * | 2017-12-18 | 2019-01-11 | Федеральное Государственное Бюджетное Образовательное Учреждение Высшего Образования "Казанский Национальный Исследовательский Технический Университет Им. А.Н. Туполева-Каи", (Книту-Каи) | Device for determination and registration of mutual position of rail threads in vertical plane |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120704 |