CN202368604U - Detecting device for dynamically detecting heights of left and right steel rails of railway track - Google Patents
Detecting device for dynamically detecting heights of left and right steel rails of railway track Download PDFInfo
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- CN202368604U CN202368604U CN2011204001378U CN201120400137U CN202368604U CN 202368604 U CN202368604 U CN 202368604U CN 2011204001378 U CN2011204001378 U CN 2011204001378U CN 201120400137 U CN201120400137 U CN 201120400137U CN 202368604 U CN202368604 U CN 202368604U
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Abstract
The utility model provides a detecting device for dynamically detecting heights of left and right steel rails of a railway track. The detecting device comprises a signal detecting part, a signal collecting part, a signal data processing part and power supply equipment, wherein the signal detecting part is arranged in a position in and below a vehicle body of a locomotive so as to monitor the motion state of the vehicle body and obtain signal data of the vehicle body in the moving process; the signal collecting part is used for collecting the signal data output by the signal detecting part, converting and encoding the signal data and transmitting the signal data to the data processing part; and the data processing part is used for analyzing and calculating the signal data so as to finally figure out a result of uneven steel rails. By using the detecting device provided by the utility model, the height parameters of the left and the right steel rails corresponding to the current kilometer posts can be accurately figured out in the vehicle operation process without changing the original vehicle bottom environment.
Description
Technical field
The utility model relates to a kind of detecting device of railroad track, more specifically, relates to the detecting device of a kind of detection of dynamic railroad track left and right sides rail height, can detect the height of railroad track left and right sides rail in real time.
Background technology
Along with the continuous development of Chinese Transport cause, the target that high speed, comfortableization have become each freight department to pursue, railway interests has also taked relative measures to this.The China railways main line is speed-raising on a large scale, also has many railway line for passenger traffics to build, but still very weak to the detection of the uneven compliance of rail.Along with improving constantly of China's main line railway train running speed, higher requirement is proposed also for the detection of the uneven compliance of track.It shows: not only the detection of the track irregularity property on the circuit that is open to traffic is had higher requirement, the while also has higher requirement in the detection of the track irregularity property of the circuit of building.
Wherein being uneven suitable is an important index.In the track of reality, can there be vertical fluctuations of left and right sides tread face in two one steel rails on the height direction, between this rail the deviation of height direction and rail ideal position physical dimension be called be uneven suitable.The smooth-going degree of track directly influences the safety and steady operation of train, and particularly high speed railway driving is more strengthened row to the sensitivity of track ride comfort, requires also higher.During train was run at high speed, the irregularity that track is small can cause that all the severe jolt of wheel track impacts, and track and train are formed huge destructive effect, and is light then shorten life-span of wheel track, causes the human discomfort of passenger; Heavy then increase the derail coefficient, cause that vehicle produces vibration and wheel-rail force, causes safety misadventure.
Therefore must carry out strict control to the various irregularities of track, in time overhaul, eliminate the place of transfiniting, make track often remain on smooth-going and good working condition, to guarantee the a/s maximum speed safety of train, smooth running.On the one hand,, carry out the track detection and help to formulate rational railroad maintenance time schedule, avoid the appearance of unsafe condition at the track deformation commitment; On the other hand, the actv. track detects and will make limited manpower and instrument and equipment resource obtain good use for track lays the foundation from periodically detecting to the repair based on condition of component transformation, effectively practices thrift the track maintenance cost.
And the detection of the height of left and right sides rail relies on the artificial hand go-cart basically in the current track detection; The manpower and materials of labor; Whole testing process speed is slow, consuming time longer; And, precision and the reliability measured have directly been influenced owing to inevitably introduced measurer's human element in measuring.
The utility model content
Whole testing process speed to the detection of the height of left and right sides rail in the current track detection is slow, consuming time longer; The present situation that precision is low; For deficiency and the defective that overcomes prior art, the track with railway on along the line is uneven along corresponding with mileage number, and the utility model provides a kind of intellectuality, is prone to the track height detecting apparatus of installation, highly versatile; This detecting device can be realized onlinely in real time the height of left and right sides rail being detected; Have the characteristic stable, that antijamming capability is strong, convenience of calculation, precision height and weak point consuming time can satisfy the needs that high-speed electrified circuit develops.
The utility model provides the detecting device of the height of a kind of detection of dynamic railroad track left and right sides rail; This detecting device comprises signal detection part, acquisition of signal part, signal data processing section, power equipment supply; Wherein, The signal detecting part branch is arranged in the car body of locomotive and the position of car body below, the state of kinematic motion of car body is monitored, and obtain the signal data in the motion process of car body; The above-mentioned signal data of acquisition of signal part acquired signal test section output is changed, is encoded it, and sends it to data processing section; Data processing section is resolved, is calculated above-mentioned signal data, thereby finally calculates the suitable result of being uneven of rail; Signal detection part, acquisition of signal part all are connected power equipment supply and by it electric power supply are provided with the signal data processing section.
Further, the signal detecting part branch comprises acceleration detecting, displacement detector, inclination angle sensing apparatus, obtains the signal about horizontal car body vertical acceleration, car body and axle box displacement, tilting of car body angle respectively.
Further, said acceleration detecting comprises accelerometer, and said displacement detector comprises laser displacement sensor, and said inclination angle sensing apparatus comprises gyroscope and dip compass.
Further, said accelerometer comprises left side, two accelerometers in right side, is separately positioned on the left side of bottom in the car body and the symmetric position on right side; Said laser displacement sensor comprises left side, two laser displacement sensors in right side, be symmetricly set on respectively car body below and with left side, two the accelerometer position adjacent in right side on; Said gyroscope and dip compass are arranged on the position of axis of symmetry on the car body left and right directions.
Further, the acquisition of signal part becomes digital signal with the analog signal conversion of signal detecting part branch output.
Further, the signal acquisition part branch comprises low-pass filter, photoelectric encoder, A/D converter and zeroing, amplifier.
Further, the signal data processing section comprises the treatment circuit of example, in hardware, and the treatment circuit of this example, in hardware carries out obtaining the height space curve after the computing to the signal of acquisition of signal part signal output.
Further, the treatment circuit of said example, in hardware comprises a plurality of circuit parts, and the function that these a plurality of circuit parts are realized comprises separates inclined to one side filtering, goes to move and become filtering, corrected Calculation, secondary digital integration, convolution, high pass.
Further; The signal data processing section comprises computing machine, and relevant software program is installed on this computing machine, according to acceleration/accel, car body status data; Through the relevant software programs on the computing machine; Calculate the change in displacement of rail head of rail surface, the left and right sides, thereby being uneven of calculating rail is suitable, finally calculates the height space curve with respect to inertial space.
Further, said power equipment supply is a power supply.
The beneficial effect of the utility model is; Can under the situation that does not change original vehicle bottom environment, this detecting device be installed, and in the vehicle operating process; Carry out program through computer terminal and resolve, calculate the high low parameter of the cooresponding left and right sides of current kilometer post rail exactly.
Description of drawings
According to embodiment and accompanying drawing the utility model is done further explain below.
Fig. 1 is that the inertial reference method that adopts in the utility model is set up gauge reference target line scheme drawing;
Fig. 2 is the scheme drawing that is uneven in the utility model and arranges along detecting sensor;
Fig. 3 is the scheme drawing of height detection signal flow process in the utility model.
The technical characterictic that Reference numeral referred in the Figure of description is respectively: 1, left side accelerometer; 2, right side accelerometer; 3, left side laser displacement sensor; 4, right side laser displacement sensor; 5, gyroscope and dip compass; 6, the car body of train; 7, left side wheel; 8, right side wheels; 9, the rail track of irregularity.
The specific embodiment
Shown in Fig. 1 to 3; Provided a specific embodiment of the said height detecting apparatus of the utility model; Detecting device among this embodiment comprises signal detection part, acquisition of signal part, signal data processing section, power equipment supply, and wherein, the signal detecting part branch is arranged in the car body of locomotive and the position of car body below; State of kinematic motion to car body is monitored, and obtains the signal data in the motion process of car body; The above-mentioned signal data of acquisition of signal part acquired signal test section output is changed, is encoded it, and sends it to data processing section; Data processing section is resolved, is calculated above-mentioned signal data, thereby finally calculates the suitable result of being uneven of rail; Signal detection part, acquisition of signal part all are connected power equipment supply and by it electric power supply are provided with the signal data processing section.
With reference to Fig. 1-2, the signal detecting part branch comprises the gyroscope and the dip compass at accelerometer, laser displacement sensor, measurement angle of inclination in the utility model, obtains the signal about horizontal car body vertical acceleration, car body and axle box displacement, tilting of car body angle respectively.
Accelerometer comprises left side, two accelerometers 1 in right side and 2, is separately positioned on the left side of bottom in the car body and the symmetric position on right side; Laser displacement sensor comprise the left side, two laser displacement sensors 3 in right side and 4, be symmetricly set on respectively car body 6 belows and with left side, two accelerometers 1 in right side and 2 position adjacent on; Said gyroscope and dip compass 5 are arranged on the position of axis of symmetry on car body 6 left and right directions.The input/output terminal of sensor is connected with the positive and negative electrode of power supply respectively.
Accelerometer is the important tool of flutter of exploratory flight device and fatigue life.Accelerometer is formed by detecting quality (also claiming responsive quality), supporting, potential device, spring, damper and housing.Accelerometer in the utility model can be selected piezoelectric accelerometer, piezoresistive accelerometer and potential device formula accelerometer etc. for use.
Laser displacement sensor adopts the echo analysis principle to come the precision of measuring distance to acquire a certain degree.Sensor internal partly is made up of processor unit, Echo Processing unit, laser transimitter, laser pickoff etc.Can select the product of true Shang You company or Bei Tewei company for use.
When the axle in the appearance matrix of angle of inclination rotated toward a direction, counting increased, and when rotation direction changed, counting reduced.Count relevant with the initial position of inclinometer.When the initialization inclinometer, its count value is set to 0.Through calculating the angle of rotation, can measure position and speed easily.Can select the product of companies such as V-TOOL, Switzerland TESA, WYLER, Japanese Mitutoyo.
Gyroscope is a kind of angular motion detecting device that utilizes the responsive housing relative inertness of the moment of momentum space of high speed rotary body around one or two axle that is orthogonal to the axis of rotation.Can select piezoelectric gyroscope, micro-mechanical gyroscope, fiber optic gyro, laser gyro for use in the utility model.
Shown in Fig. 3 is the diagram of circuit of height detection signal in the utility model.Acceleration signal at first carries out analogue low pass filtering through simulation low-pass filter, is input to A/D converter again and carries out the A/D conversion; After displacement signal returns to zero, amplifies through amplifier, be input to A/D converter and carry out the A/D conversion; Encoding digital signals after photoelectric encoder is changed A/D.Acceleration signal after the digitalisation through after separating inclined to one side filtering, going to move change filtering, carries out corrected Calculation according to corrected signal successively, carries out the secondary digital integration afterwards; Displacement signal after the digitalisation also carries out corrected Calculation according to corrected signal, again with quadratic integral after acceleration signal carry out convolution algorithm, convolution results is carried out high pass through high-pass filter, calculate afterwards the height space curve.
What need special version is: signal processing flow among Fig. 3 and computation process both can realize through the circuit of custom-designed example, in hardware, also can through computing machine and above the software that is equipped with realize.
The utility model is under the situation that does not change original vehicle bottom environment; This detecting device is installed, and in the vehicle operating process, sensor detects actual parameter; After gathering, changing; Be transferred to that computer end is resolved by software program or hardware circuit directly calculates, calculate exactly when front vehicle body the height of rail of process change, with the form record of height space curve.This install intelligent degree high, be prone to installation, highly versatile, stable, antijamming capability is strong, precision is high and weak point consuming time; Can realize onlinely in real time being uneven of the left and right sides rail condition of showing respect for what others feel being detected, can satisfy the needs of high-speed electric railway 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; Variation of expecting easily or replacement embodiment all should be encompassed in the protection domain of the utility model.
Claims (9)
1. the detecting device of a detection of dynamic railroad track left and right sides rail height; This detecting device comprises signal detection part, acquisition of signal part, signal data processing section, power equipment supply; It is characterized in that; The signal detecting part branch is arranged in the car body of locomotive and the position of car body below, the state of kinematic motion of car body is monitored, and obtain the signal data in the motion process of car body; The above-mentioned signal data of acquisition of signal part acquired signal test section output is changed, is encoded it, and sends it to data processing section; Data processing section is resolved, is calculated above-mentioned signal data, thereby finally calculates the suitable result of being uneven of rail; Signal detection part, acquisition of signal part all are connected power equipment supply and by it electric power supply are provided with the signal data processing section.
2. the detecting device of detection of dynamic railroad track according to claim 1 left and right sides rail height; It is characterized in that; The signal detecting part branch comprises acceleration detecting, displacement detector, inclination angle sensing apparatus, obtains the signal about horizontal car body vertical acceleration, car body and axle box displacement, tilting of car body angle respectively.
3. the detecting device of detection of dynamic railroad track according to claim 2 left and right sides rail height; It is characterized in that; Said acceleration detecting comprises accelerometer, and said displacement detector comprises laser displacement sensor, and said inclination angle sensing apparatus comprises gyroscope and dip compass.
4. the detecting device of detection of dynamic railroad track according to claim 3 left and right sides rail height is characterized in that said accelerometer comprises left side, two accelerometers in right side, is separately positioned on the left side of bottom in the car body and the symmetric position on right side; Said laser displacement sensor comprises left side, two laser displacement sensors in right side, be arranged on symmetrically respectively car body below and with said left side, two the accelerometer position adjacent in right side on; Said gyroscope and dip compass are arranged on the position of axis of symmetry on the car body left and right directions.
5. the detecting device of detection of dynamic railroad track according to claim 1 left and right sides rail height is characterized in that the acquisition of signal part becomes digital signal with the analog signal conversion of signal detecting part branch output.
6. the detecting device of detection of dynamic railroad track according to claim 5 left and right sides rail height is characterized in that the signal acquisition part branch comprises low-pass filter, photoelectric encoder, A/D converter and zeroing, amplifier.
7. the detecting device of detection of dynamic railroad track according to claim 1 left and right sides rail height; It is characterized in that; The signal data processing section comprises the treatment circuit of example, in hardware, and the treatment circuit of this example, in hardware carries out obtaining the height space curve after the computing to the signal of acquisition of signal part signal output.
8. the detecting device of detection of dynamic railroad track according to claim 7 left and right sides rail height; It is characterized in that; The treatment circuit of said example, in hardware comprises a plurality of circuit parts, and the function that these a plurality of circuit parts are realized comprises separates inclined to one side filtering, goes to move and become filtering, corrected Calculation, secondary digital integration, convolution, high pass.
9. the detecting device of detection of dynamic railroad track according to claim 1 left and right sides rail height is characterized in that said power equipment supply is a power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204001378U CN202368604U (en) | 2011-10-19 | 2011-10-19 | Detecting device for dynamically detecting heights of left and right steel rails of railway track |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204001378U CN202368604U (en) | 2011-10-19 | 2011-10-19 | Detecting device for dynamically detecting heights of left and right steel rails of railway track |
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| CN202368604U true CN202368604U (en) | 2012-08-08 |
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| CN2011204001378U Expired - Lifetime CN202368604U (en) | 2011-10-19 | 2011-10-19 | Detecting device for dynamically detecting heights of left and right steel rails of railway track |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104457643A (en) * | 2014-11-04 | 2015-03-25 | 中国铁道科学研究院 | Impulse noise filtering method and device for track geometry detection data |
| CN105807084A (en) * | 2015-12-22 | 2016-07-27 | 成都安科泰丰科技有限公司 | Track geometric parameter detection synchronization and calculation method |
| CN107642014A (en) * | 2017-10-23 | 2018-01-30 | 福州大学 | Railroad track superelevation of outer rail measuring system and method |
| CN109798862A (en) * | 2019-03-19 | 2019-05-24 | 西安研硕信息技术有限公司 | A kind of rail longitudinal irregularity measurement method based on uniaxial gyro |
| CN110341761A (en) * | 2019-07-11 | 2019-10-18 | 郑州铁路职业技术学院 | A kind of railway track real-time monitoring system |
| TWI691699B (en) * | 2016-07-12 | 2020-04-21 | 日商東海旅客鐵道股份有限公司 | Detection device and detection method |
| RU2745168C1 (en) * | 2020-10-02 | 2021-03-22 | Общество с ограниченной ответственностью Научно-производственное предприятие "РаТорм" | Freight car monitoring and diagnostics device |
| CN113758449A (en) * | 2021-09-03 | 2021-12-07 | 武汉一冶钢结构有限责任公司 | Anti-derailment detection system and detection method for traveling crane on track |
| CN114396909A (en) * | 2021-12-30 | 2022-04-26 | 北京铁科英迈技术有限公司 | Track height irregularity detection device and related calibration method and system |
| CN115143933A (en) * | 2022-06-14 | 2022-10-04 | 中国铁道科学研究院集团有限公司 | Track line height irregularity detection method and device and vehicle-mounted track detection system |
-
2011
- 2011-10-19 CN CN2011204001378U patent/CN202368604U/en not_active Expired - Lifetime
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104457643B (en) * | 2014-11-04 | 2017-06-09 | 中国铁道科学研究院 | A kind of impulse noise filter method and device of track geometry detection data |
| CN104457643A (en) * | 2014-11-04 | 2015-03-25 | 中国铁道科学研究院 | Impulse noise filtering method and device for track geometry detection data |
| CN105807084A (en) * | 2015-12-22 | 2016-07-27 | 成都安科泰丰科技有限公司 | Track geometric parameter detection synchronization and calculation method |
| TWI691699B (en) * | 2016-07-12 | 2020-04-21 | 日商東海旅客鐵道股份有限公司 | Detection device and detection method |
| CN107642014A (en) * | 2017-10-23 | 2018-01-30 | 福州大学 | Railroad track superelevation of outer rail measuring system and method |
| CN107642014B (en) * | 2017-10-23 | 2023-02-10 | 福州大学 | Railway track outer rail superelevation measuring system and method |
| CN109798862A (en) * | 2019-03-19 | 2019-05-24 | 西安研硕信息技术有限公司 | A kind of rail longitudinal irregularity measurement method based on uniaxial gyro |
| CN109798862B (en) * | 2019-03-19 | 2020-10-02 | 西安研硕信息技术有限公司 | Rail height irregularity measuring method based on single-axis gyroscope |
| CN110341761A (en) * | 2019-07-11 | 2019-10-18 | 郑州铁路职业技术学院 | A kind of railway track real-time monitoring system |
| RU2745168C1 (en) * | 2020-10-02 | 2021-03-22 | Общество с ограниченной ответственностью Научно-производственное предприятие "РаТорм" | Freight car monitoring and diagnostics device |
| CN113758449A (en) * | 2021-09-03 | 2021-12-07 | 武汉一冶钢结构有限责任公司 | Anti-derailment detection system and detection method for traveling crane on track |
| CN113758449B (en) * | 2021-09-03 | 2023-06-27 | 武汉一冶钢结构有限责任公司 | Derailment prevention detection system and detection method for traveling crane on track |
| CN114396909A (en) * | 2021-12-30 | 2022-04-26 | 北京铁科英迈技术有限公司 | Track height irregularity detection device and related calibration method and system |
| CN114396909B (en) * | 2021-12-30 | 2024-04-12 | 北京铁科英迈技术有限公司 | Track height irregularity detection device and related calibration method and system |
| CN115143933A (en) * | 2022-06-14 | 2022-10-04 | 中国铁道科学研究院集团有限公司 | Track line height irregularity detection method and device and vehicle-mounted track detection system |
| CN115143933B (en) * | 2022-06-14 | 2023-12-05 | 中国铁道科学研究院集团有限公司 | Track line height irregularity detection method and device and vehicle-mounted track detection system |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
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Granted publication date: 20120808 |