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1. 发明专利

JPS62222110A APPARATUS FOR MEASURING PASSAGE OF LONG WAVELENGTH 失效
公开(公告)号：JPS62222110A
公开(公告)日：1987-09-30
申请号：JP5252286
申请日：1986-03-12
申请人： RAILWAY TECHNICAL RES INST , HITACHI LTD , HITACHI ELECTR ENG
发明人： TAKESHITA KUNIO , KISHIMOTO SATORU , ITO MASAYUKI , YAMADA TETSUO , SUGIMURA SHIYUUJI , TAKENAKA YASUO
IPC分类号： G01B21/00 , B61K9/08
摘要： PURPOSE:To enable measurement even during high speed running of 300km or more, by defining the distance between the perpendicular facing surface to the side surface of a rail at one point among two points of a rail surface spaced apart by a base line length from each other and the other point as passage and continuously measuring this passage. CONSTITUTION:The rail replacements (a), (b) based on a vehicle body and the angle phi of revolution of the vehicle body to the reference perpendicular surface of a gyroscope are converted into voltages by a gyro-selsyn 2' while said voltages are converted into digital values by an A/D converter 19. Subsequently, (b-a)/l (wherein l is the segment connecting two points on the side surface of a rail), the angle phi formed by the segment (l) and the long axis of the vehicle body and the angle theta formed by the segment (l) and an absolute reference perpendicular surface are respectively calculated by an operator 20, an operator 21 and an operator 22, and the direction of the perpendicular facing surface at each measuring point on the side surface of the rail is calculated by a moving average operator 25. In this case, operations are performed in synchronous relation to the distance pulse generated at every definite running distance by a pulse generator 33. The angle thetai' formed by the segment (l) and the reference perpendicular surface is calculated by an operator 26 and long wavelength passage ai=ltanthetai' is calculated by an operator 27. The passage ai is outputted as it is and, at the same time, sent to a difference operator 36 and difference DELTAai is calculated and converted into an analogue signal by a D/A converter 31 to be outputted.

2. 发明专利

JPS62222111A METHOD FOR MEASURING DEVIATION OF LONG WAVELENGTH TRACK 失效
公开(公告)号：JPS62222111A
公开(公告)日：1987-09-30
申请号：JP5252386
申请日：1986-03-12
申请人： RAILWAY TECHNICAL RES INST , HITACHI LTD , HITACHI ELECTR ENG
发明人： TAKESHITA KUNIO , ITO MASAYUKI , YAMADA TETSUO , KISHIMOTO SATORU , SUGIMURA SHIYUUJI
IPC分类号： G01B21/00 , B61K9/08
摘要： PURPOSE:To enable inexpensive and safe measurement with good accuracy, by connecting two dual type vehicles and providing a relative displacement detection mechanism to the connection part. CONSTITUTION:Vehicle bodies 1, 2 connected advance in the direction shown by an arrow on a rail 3 and the up-and-down displacement between the vehicle bodies 1, 2 and the axle boxes of wheels is detected by a detector 6. A detector 7 detects up-and-down displacement from the relative displacements between the vehicle bodies 1, 2 and detectors 8-1, 8-2 mounted at an interval H in an up-and-down direction detect front-and-back displacements x1, x2. If the distance from the left end of the vehicle body 2 to the axle box 5-4 is set to lA, the distance up to the axle box of the wheel 4-5 to lB and the distances from the bottom side of the vehicle body 2 to the axle box 5-4 and the axle box of the wheel 4-5 to (c), (d), the height differences hA, hB between the extending line 9 of the bottom side of the vehicle body 1 and the bottom sides of the vehicle body 2 at the positions of the axle box 5-4 and the axle box of the wheel 4-5, height deviation (h) when wheels 4-1, 4-2, 4-4 are used and height deviation hL when wheels 4-1, 4-3, 4-5 are used can be respectively operated.

3. 发明专利

JPS60252207A MEASURING INSTRUMENT OF SHAPE OF RAIL TOP SURFACE 失效
公开(公告)号：JPS60252207A
公开(公告)日：1985-12-12
申请号：JP10838884
申请日：1984-05-30
申请人： JAPAN NATIONAL RAILWAY , HITACHI LTD , HITACHI ELECTR ENG
发明人： SATOU YOSHIHIKO , FUJIMORI SOUJI , TAKESHITA KUNIO , KISHIMOTO SATORU , ITOU MASAYUKI , SUGIMURA SHIYUUJI
IPC分类号： G01B21/00 , G01B5/20 , G01B7/00 , G01B21/20
摘要： PURPOSE:To measure the shape of a rail top surface with a high precision without being influenced by the inertia or the like of a measuring vehicle by providing the measuring vehicle with a noncontacting gap sensor and running it on the rail to detect the gap and upward and downward accelerations. CONSTITUTION:Wheels 2 are attached to a frame 3 of the lightweight measuring vehicle, and the measuring vehicle is run on a rail 1a. The frame 3 is provided with an attaching plate 9, and a noncontacting gap sensor 11 and an upward and downward accelerometer 12 are attached. The gap sensor 11 is allowed to face the rail 1a to measure the gap. When the reference face of the rail 1a is defined as B at this time, the gap sensor 11 is placed at a height H, and the height H is subtracted from the measured value to obtain a result corresponding to the gap from the rail top surface. Though upward and downward accelerations of the measuring vehicle are changed by the inertia and the natural frequency of the frame, wheels, etc., upward and downward displacement is integrated twice to approximate it to actual displacement. Consequently, since the gap displacement of the gap sensor 11 is compensated by upward and downward displacement of the upward and downward accelerometer, measurement is performed without being influenced by the measuring vehicle neither the wear of the rail.

4. 发明专利

JPS60243526A APPARATUS FOR MEASURING AXIAL FORCE OF RAIL 失效
公开(公告)号：JPS60243526A
公开(公告)日：1985-12-03
申请号：JP9867284
申请日：1984-05-18
申请人： JAPAN NATIONAL RAILWAY , HITACHI LTD , HITACHI ELECTR ENG
发明人： KASHIWATANI KENJI , TAKESHITA KUNIO , ONO TOSHIYUKI , ITOU MASAYUKI , SUGIMURA SHIYUUJI
IPC分类号： G01L1/00 , G01L1/12 , G01L3/10 , G01N27/82 , G01R33/12
摘要： PURPOSE:To make it possible to measure the stress in the axial direction of a rail, by differentially connecting magnetic anisotropy detecting coils so that disturbance magnetic fields are offset. CONSTITUTION:Detecting coils 17-1 and 17-2 of one magnetic anisotropy sensor 15-1 are cumulatively connected. Detecting coils 19-1 and 19-2 of another magnetic anisotropy sensor 15-2 are similarly connected. When the sensors 15-1 and 15-2 are arranged at an equal angle with respect to a rail, the voltages, caused by disturbance magnetic fluxes, which are induced in the detecting coils 17-1 and 17-2 and 19-1 and 19-2, become equal. When the coils 17-1 and 17-2 and 19-1 and 19-2 are differentially connected, the voltages are offset, and no output appears across output terminals 12. When exciting coils 18-1 and 18-2 are connected out of phase, the signal voltages, which are induced in the detecting coils 19- 1 and 19-2 become out of phase. Since the detecting coils 19-1 and 19-2 and 17-1 and 17-2 are differentially connected, the signals are added, i.e., the result is the twice the original voltage. Therefore, the detected signal of the degree of magnetization of the rail by the exciting coils of the sensors themselves becomes twice the original value. The disturbances are offset, and the proper signal can be positively detected.

5. 发明专利

JPS53131863A PROCESSOR OF COMPOSITE TRACK DEVIATIONS 失效
公开(公告)号：JPS53131863A
公开(公告)日：1978-11-17
申请号：JP4577977
申请日：1977-04-22
申请人： JAPAN NATIONAL RAILWAY , HITACHI LTD , HITACHI ELECTR ENG
发明人： KISHIMOTO SATORU , TAKESHITA KUNIO , IKEMORI MASAYUKI , MIYAMOTO TOSHIMITSU , MIYASHITA KUNIHIKO , UENO YOSHIAKI , SUGIMURA SHIYUUJI , SANBE SATORU
IPC分类号： G01C9/00 , B61K9/08 , G01B7/28 , G01B21/00 , G01B21/20
摘要： PURPOSE:To operate and output composite track deviations immediately at the measuring with a measuring car from the measurement values of go-end deviations and level deviations obtained with the measuring car by collectively removing the components of normal and cant from the combined values of go-end deviations and level deviations.

6. 发明专利

JPS61201126A ELECTROMAGNETIC STRESS MEASURING INSTRUMENT 失效
公开(公告)号：JPS61201126A
公开(公告)日：1986-09-05
申请号：JP4134585
申请日：1985-03-04
申请人： HITACHI ELECTR ENG
发明人： ITO MASAYUKI , YAMADA TETSUO , SUGIMURA SHIYUUJI
IPC分类号： G01L1/00 , G01L1/12
摘要： PURPOSE:To provide a measuring instrument small in size, light in weight, easy to manufacture and reliable in operation by detecting changes in distribution of specific high harmonics of the voltage induced in the sensor coil and measuring the stress in the object of measurement. CONSTITUTION:A stress sensor is formed by winding an exciting coil 2 and the sensor coil 3 about a yoke 1 which is pressed against the object of measure ment 4 having magnetic properties of form a closed magnetic circuit with the object 4. When the exciting coil 2 of the stress sensor is sufficiently strongly excited with the sinusoidal alternating current, changes in distribution of the specific harmonics of the excited voltage induced in the sensor coil 3 are detected to measure the stress in the object. Since he sensor output is low, it is amplified by a preamplifier 5 and passed through a high pass filter-amplifier 6 to amplify only the signals of the required band. The amplified signals are passed through bandpass filters 7, 8 passing only the specific frequency components and the ratio of the two specific frequency components is computed in a comparator 9.

7. 发明专利

JPS61201108A NON-CONTACTING MEASURING DEVICE FOR THIRD RAIL IRREGULARITY 失效
公开(公告)号：JPS61201108A
公开(公告)日：1986-09-05
申请号：JP4134485
申请日：1985-03-04
申请人： HITACHI ELECTR ENG
发明人： YAMADA TETSUO , SUGIMURA SHIYUUJI , ITO MASAYUKI
IPC分类号： B61K9/08 , G01B21/00
摘要： PURPOSE:To secure the titled device and to improve its measuring speed by arranging respectively non-contacting displacement measuring sensors to respective rails, and detecting the relative position for the special reference surface of the peak of the rails which are respectively objects, by three pairs of the sensors. CONSTITUTION:Peaks Pa, Pb and Pc of the first, second and third rails are respectively the peaks of rails 1a, 1b and 1c, the height from a reference surface Ho is respectively (a), (b) and (c), and then, the third rail irregularity DELTAH is expressed as the formula. A Gab is an actually measured size between the peak Pa and Pb of the first and second rails, a Gbc is an actually measured size between the peaks Pb and Pc of the second and third rails and are the already known constants. At such a time, the height (a), (b) and (c) are detected by non-contacting displacement measuring sensors 5a, 5b and 5c, and the calculation shown in the formula is executed, the symbol DELTAH is counted and then, the third rail irregularity can be obtained.

8. 发明专利

JPS61201103A REFERENCE MECHANISM FOR TRACK INSPECTION CAR 失效
公开(公告)号：JPS61201103A
公开(公告)日：1986-09-05
申请号：JP4134385
申请日：1985-03-04
申请人： HITACHI ELECTR ENG
发明人： ITO MASAYUKI , SUGIMURA SHIYUUJI
IPC分类号： B61K9/08 , G01B11/16
摘要： PURPOSE:To use a car body as a track inspection car by fixing a laser oscillating device to one edge of the car body, making a laser beam irradiated in the lengthwise direction of the car body by the laser oscillating device into a built-in reference line and obtaining a displacement quantity of respective parts of the car body for this. CONSTITUTION:In the lengthwise direction of the car body very close to the fitting place of track displacement detecting devices 3a-3c of the track inspection car, at one edge, a laser oscillating device 5 is provided, at the central part, a half mirror 7, a focusing screen 8a, a lens 9a and a photodetecting point detecting device 10a and at other edge, a focusing glass 8b, a lens 9b, a photodetecting point detecting device 10b, etc., are provided. With the displacement quantity of the position of focusing screens 8a and 8b in which a laser beam 12 is relatively displaced to the same quantity only as it in accordance with the deflection and the bending of a car body 1 as the displacement quantity between the reference photodetecting point irradiated by the beam 12 when the car body is not deformed and the photodetecting point at the time of deformation irradiated by the beam 12 when the car body is deformed, the car body deforming quantity is detected. The car body deforming quantity is used for correcting the track displacement detecting quantity detected by detecting devices 3a-3c fitted at both edges and the center of the car body.

9. 发明专利

JPS6139803A Levitating coil displacement detector 失效
标题翻译：检测线圈位移检测器
公开(公告)号：JPS6139803A
公开(公告)日：1986-02-26
申请号：JP15873184
申请日：1984-07-31
申请人： Hitachi Electronics Eng Co Ltd , Hitachi Ltd , Japanese National Railways
发明人： ONO TOSHIYUKI , TAKESHITA KUNIO , SUGIMURA SHIYUUJI , ITO MASAYUKI
IPC分类号： B60L13/03 , B60L13/06 , G01V3/10
CPC分类号： B60L13/06
摘要： PURPOSE:To directly measure the position of a levitating coil in noncontact by measuring an electromotive force induced in a detecting coil in response to the magnetic coupling degree of the levitating coil and the detecting coil. CONSTITUTION:An AC is flowed from an oscillator 8 to an exciting coil 5 to generate a magnetic flux, and electromotive forces are induced in detecting coils 1-4. The electromotive forces induced in the respective coils are amplified by the prescribed magnification by an amplifier 9 in response to the magnetically coupling degree of levitating coil 6 to be measured and the coils 1-4, rectified by a synchronous rectifier 10, and converted to a DC voltage. The detecting coil outputs are calculated by a calculator 11 to calculate the displacement of the coil 6.
摘要翻译：目的：通过测量浮动线圈和检测线圈的磁耦合度，通过测量检测线圈中感应的电动势来直接测量悬浮线圈的非接触位置。构成：AC从振荡器8流到激励线圈5以产生磁通，并且在检测线圈1-4中感应出电动势。响应于要测量的浮动线圈6的磁耦合度和由同步整流器10整流的线圈1-4，由放大器9将各线圈中感应的电动势放大规定倍数，并转换为直流电压。由计算器11计算检测线圈输出，以计算线圈6的位移。

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