CN2151913Y - Geometry parameter measuring device for electric railway contact net - Google Patents
Geometry parameter measuring device for electric railway contact net Download PDFInfo
- Publication number
- CN2151913Y CN2151913Y CN92221964U CN92221964U CN2151913Y CN 2151913 Y CN2151913 Y CN 2151913Y CN 92221964 U CN92221964 U CN 92221964U CN 92221964 U CN92221964 U CN 92221964U CN 2151913 Y CN2151913 Y CN 2151913Y
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- sensor
- pantograph
- circuit
- height
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- Expired - Fee Related
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G9/00—Resilient suspensions of a rigid axle or axle housing for two or more wheels
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G17/00—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load
- B60G17/015—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements
- B60G17/019—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements characterised by the type of sensor or the arrangement thereof
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2200/00—Indexing codes relating to suspension types
- B60G2200/30—Rigid axle suspensions
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
- B60G2204/10—Mounting of suspension elements
- B60G2204/11—Mounting of sensors thereon
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2300/00—Indexing codes relating to the type of vehicle
- B60G2300/10—Railway vehicles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2400/00—Indexing codes relating to detected, measured or calculated conditions or factors
- B60G2400/25—Stroke; Height; Displacement
- B60G2400/252—Stroke; Height; Displacement vertical
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2400/00—Indexing codes relating to detected, measured or calculated conditions or factors
- B60G2400/25—Stroke; Height; Displacement
- B60G2400/256—Stroke; Height; Displacement horizontal
- B60G2400/257—Stroke; Height; Displacement horizontal transversal with regard to vehicle
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2401/00—Indexing codes relating to the type of sensors based on the principle of their operation
- B60G2401/25—Capacitance type, e.g. as level indicator
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2500/00—Indexing codes relating to the regulated action or device
- B60G2500/30—Height or ground clearance
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Current-Collector Devices For Electrically Propelled Vehicles (AREA)
Abstract
The utility model relates to a geometry parameter measuring device for a contact net of an electric railway, which is composed of a detection system and auxiliary equipment, wherein, the detection system is composed of a deviation sensor (a Z value, a knuckle, the slope of a positioning device), a height sensor, a rod number sensor, a vehicle speed sensor, a distance sensor, a measuring device, a special measuring circuit, a microcomputer processing system, a monitoring display instrument and communication equipment. The detection system has the originality that the detection system is also provided with a vibration compensating device. The compensating device is composed of two sets of capacitance displacement sensors which are respectively fixed on a horizontal box cover or a vertical box cover of an axle shaft box. Both the deviation measuring sensor and the height measuring sensor adopt electromagnetic induction integrated proximity switches.
Description
The utility model relates to a kind of detecting device that is used to detect the contact nets in electrified railways principal data.
Contact system is one of important component part of electric railway, is no standby power equipment supply in the tractive power supply system, its state of the art well whether, be directly connected to the safe operation of electric railway.Wherein, the most outstanding with the influence of zigzag value.Excessive when zigzag value, when surpassing the operating range of block of bow collector of electric locomotive, will cause and scrape major accidents such as bow broken string, so that cut off traffic, except that causing, also will cause abominable social influence than the large economy loss.In addition, the contact system state of the art also has influence on electric locomotive and is flowed, multinomial technology, economy indexs such as the performance of tractive force and pantograph pan wearing and tearing, thereby must regularly detect contact system relevant technologies parameter, judge whether it meets the regulation of technical standard, so that in time pinpoint the problems and adopt an effective measure.
At present, Japan, West Germany, France etc. develop the Contact Line Detection car of different model, and is wherein the most representative with the serial Contact Line Detection car of Japan's exploitation.It can be divided into two big classes from test item, one class is that conventional parameter is (as zigzag value, the line trouble, the steady arm gradient, highly, net is pressed, the bar position) measurement, another kind of be to more than or equal to the parameter of the height of 200m/h speed contact nets in electrified railways (as wearing and tearing, impulsive force, off-line etc.) measurement, from measurement means, mainly take contact type measurement, for example, zigzag value is measured the scheme of arranging the switch that contracts on the bow simulating that adopts mostly, when lead is pressed on the switch, switch motion, provide the information of contact wire, this information obtains zigzag value after treatment, but mechanical wear is fast, accident is many, low precision, highly measure employing and potential device of simulating the bow interlock or inclined to one side code-disc mode, external inspection vehicle is determined its detection of dynamic precision according to the resolution or the precision of each sensor, and the comparative result of dynamic measurement and ground artificial observed reading is not provided, and this and China railways skill rule are that the regulation of standard evaluation contact system state of the art exists the difference of seeing in essence with the static value, cause a lot of external inspection vehicles to be not suitable for China's needs.
Domestic from the early sixties contact system technology that begins one's study, so far surplus in the of 30 year, the circuit theory that each measurement mechanism adopts is compared with external contact measuring apparatus basically with device, and less original creation can not be satisfied the normal inspection needs of contact nets in electrified railways.
In view of the problem that domestic and international contact nets in electrified railways technology exists, task of the present utility model is intended to develop a kind of suitable China's national situation, detection means advanced person, survey precision height, cheap contact system geometric parameter measurement device.
Technical measures that the utility model is taked and constructional feature make it finish design objective, it is made of checking system and accessory equipment, checking system is by off normal (zigzag value, the line trouble steady arm gradient), highly, bar number, the speed of a motor vehicle and rang sensor and measurement mechanism, the special measurement circuit, microprocessor system, monitoring display instrument and communication apparatus constitute, zigzag value sensor symmetry equidistantly is respectively in the sliding utmost point of pantograph both sides, line trouble sensor is positioned at the pantograph bent back ends, the steady arm Slope Transducer is symmetrically distributed in apart from the both sides at 600mm place, pantograph pan center, the sensor of above-mentioned three kinds of data all is fixed on the pantograph metal slider, height sensor is fixed on the roof, the bar sensor in pairs, be symmetrically distributed and be fixed on the roof two of pantographs, the speed of a motor vehicle and rang sensor are installed on the axle two ends of wheel, it is characterized in that checking system has the vibration compensation device, this vibration compensation device is made of with vertical two cover capacitance displacement sensors level, a pole plate of two cover sensors is separately fixed on the car body, level or vertical box that another pole plate is separately fixed at axle box cover, and are its another capacitor plate with axle box cover perhaps.There is lead to link to each other between this two covers building-out capacitor and special measurement circuit, building-out capacitor is introduced in the computing circuit.
So-called zigzag value, be meant pantograph with contact wire moving contact process in, for the slide plate that makes pantograph weares and teares evenly, prolong its service life, in linear section contact wire is arranged in a zigzag, promptly at the locating point place of each pillar, contact wire is pulled out a distance with respect to the pantograph center, its size is ± 300mm to be referred to as zigzag value.At curve section, contact wire is arranged to broken line shape, promptly the locating point place with respect to pantograph in mind-set extra curvature layback go out a distance, its size is different with radius of curve, general span is 150～450mm, this value is called stagger, in order to measure the zigzag value of contact wire, employing installing electromagnetic induction on the simulation pantograph is integrated near switch, the effective length of pantograph is divided into plurality of sections, and totally 60 sections, one of every section correspondence is near switch, add that the center is cooresponding near switch, amount to 61.When pantograph contacts with contact wire, and the latter is when skimming near the switch end face, and this just exports high level near switch, otherwise is low level.Therefore, the track that contact wire slides on pantograph pan can so also just have been surveyed also the position at its place by noting near switch, and promptly contact wire is apart from the distance at pantograph center.
Difference is exported to computing machine and through decoding scheme decimal code is exported to telltale with binary code near the numeration sign indicating number of switch.
In order to detect to the line trouble, prop up in the geometric position in space and whether meet the requirements to understand line Cha Chu work and inoperative, employing begins at the downward 50mm in simulation pantograph turning, every interval 50mm installs one near switch, three on every limit, amount to six, these six switches are exactly detected object.Inoperative props up when skimming near the switch end face, and this just exports high level near switch, otherwise is low level.Therefore, inoperative Zhi Ruguo is against regulation, the numerical value that is lower than the pantograph pan plane can be by noting near switch, if with number number of different numeration representation near switch, prop up at inoperative so and be close to some this numbers that just can reflect during near switch terminals near switch, also just measured its position, i.e. the distance of inoperative offset distance pantograph pan face.
Realize by steady arm the location of contact wire.The performance of contact suspension and the mode of operation of motorcycle pantograph are but had a significant impact, therefore, in the construction operation management of contact system, the steady arm degree of dip is defined as between 1/10～1/5, in order to avoid cause the generation of scraping accidents such as bow, so the inclined degree of steady arm is called the location gradient.
The utility model be respectively installed on the both sides at 600mm place, distance pantograph center one two-way near switch, and make feeler be higher than slide plate 50mm.In pantograph and contact wire contact process, when the steady arm gradient less than 1/10 the time, pantograph will be run into feeler by this place, makes near switch motion, measurement mechanism just provides a signal to computing machine, and prints the inferior-quality mark of this steady arm.
It is by magnetic core near switch that above-mentioned parameter is measured the electromagnetic induction that adopts integrated, coil, TCA 205(SC205) special-purpose integrated package and peripheral circuit thereof are encapsulated in the metal shell and form, cond in parallel on the coil, the oscillator of IC interior links to each other with exterior antiresonant circuit, and when tested metallic conductor during near the antiresonant circuit coil, switch output becomes low level by high level, when conductor left resonant circuit coil, switch output became high level by low level again.After handling, this outgoing level input computing machine obtains corresponding off normal value.
Height measuring device is made of electromagnetic induction angular transducer, rotating shaft, connecting rod, insulator, bearing seat and the metal sheet that sways, connecting rod connects into the opening parallelogram that axle and bearing seat are rotated, when the height of contact wire changes, the power transformation bow increases or reduces, order about metal sheet and do corresponding rotation, from the magnitude of voltage of sensor output through metering circuit, Computer Processing after be stored in value in the computing machine originally and compare and draw corresponding height value.
Highly measure and the zigzag value survey sensor can also adopt on roof the installation pick up camera to realize.Require the angle between pick up camera and the roof between 30～60 °, to regulate.
It is active that the bar measured sensor changes traditional passsive sensor, and chromacoder adopts microwave device as sensor.
Since the utility model adopted the capacitor vibration compensating device, the induction integrated near type switch and induction type angular transducer, make the contact system zigzag value, the precision of line trouble, the steady arm gradient and height detection improves, switch reliability and life problems have been solved, this detecting device is installed on the special-purpose test carriage, or be installed on rail vehicle or the tower wagon, can be arbitrarily made with the measuring tool of high, medium and low shelves or easy contact nets in electrified railways geometric parameter according to customer requirement.
Describe the utility model in detail below in conjunction with accompanying drawing:
Fig. 1 condenser vibration compensation device scheme of installation
Fig. 2 condenser vibration compensation treatment circuit hardware block diagram
Fig. 3 induction type is integrated near switch internal frame diagram and external wiring diagram
Fig. 4 induction type is integrated near the construction of switch scheme drawing
Fig. 5 has installed integrated pantograph front view near switch
Fig. 6 has installed integrated pantograph birds-eye view near switch
Fig. 7 has installed integrated pantograph mounting structure scheme drawing near switch
Fig. 8 zigzag value, line trouble, steady arm slope measuring functional block diagram
Fig. 9 induction type angular transducer and pantograph overall installation scheme drawing
Figure 10 induction type angular transducer internal circuit block diagram
Miniature sensor of Figure 11 and roof pantograph relative installation figure
Figure 12 pick up camera is at the roof scheme of installation
When a pole plate is fixed on the car body, another piece is fixed on the axle box 1, then this cond is received in the oscillator, just constitutes a cover displacement measurement sensor.Among Fig. 1, CH is for surveying the electric capacity of directions X displacement, and CT is for surveying the electric capacity of y direction displacement.This sensor construction is simple, be inversely proportional to according to distance between plates and capacitance, the relevant in consecutive years principle of vibration of the oscillator of forming with this electric capacity again, do data handing with computing machine, frequency when measuring train operation, find corresponding polar plate spacing in stored data, machine is handled as calculated, realizes electric capacity vibration compensation.
Among Fig. 2, capacitive displacement measures that independently oscillator G1～CT4 and microcomputer constitute by four capacitive transducer C1-4 and four with the hardware of processing equipment.Microcomputer is by timer conter interface (TIME-COUNT), central processing unit (CPV) memory (RAM, DATA-EPROM, PROG-EPROM), display interface (DSPL) and D/A converter compositions such as (D/A).Timer conter is measured the frequency of each oscillator with the mode of soft or hard combination, is the variation of rapid reaction displacement, gets 5ms regularly.Under highest frequency 2.2MHZ situation, can count 11000 pulses in the 5ms, being equivalent to maximum polar plate spacing is 120mm, the polar plate spacing of every variation this moment 1mm, frequency change is equivalent to change 5 pulses in the 5ms inside counting more than 1KHZ, has guaranteed that Measurement Resolution is better than 1mm.The turbid value that goes out all can on panel, show and through the D/A changer by pen recording instrument record displacement changing curve, and send the next stage computing machine by formula to compensate calculating.
Integrated being encapsulated in the metal shell 4 by magnetic core 2, coil 3, special integrated chip TCA205 and external circuit near switch of induction type forms.The frequency of integrated chip internal oscillator circuit can change by regulating Ra and Rh.When metal measured body during away from switch, output is uprised by low.In the measurement process, sensor (near switch) signal is selected circuit through input gate, out gate to switch, if should allow output near on-off signal at that time, signal is just by the isolation between photoelectrical coupler realization high-low pressure, be sent to the latch 1,2 of low pressure side, the value of counting machine 2,3 latched for handling, showing use.
For high and low pressure side is solved synchronously preferably, whole device is controlled by a clock signal, after this device energized, circuit is automatically clear 0, and when first clock pulse arrives, counting machine 1 will be counted " 1 ", after decoding, select to import near on-off signal for No. 1.If do not move near switch for No. 1 at this moment, then this device no-output.If move just near switch this moment for No. 1, then export high level, so just should be sent to low pressure side latch 1,2 near on-off signal, and in the forward position of next clock pulse the value of counting machine is latched, deliver to telltale and show.Have only when next during near switch motion, its content displayed is just upgraded.Damage near switch when some, then this switch is exported high level always, and through lockout circuit behind the 240ms, with this out gate coupler lock, output becomes low level from high level again, so the switch of this damage can not influence the output of other normal switch signal.
Fig. 5, Fig. 6 are half of pantograph 6 usable lengths, and 1-30 represents 30 30 positions near switch 7, and second half of pantograph also is to install 30 near switch, add totally 61 on No. 0 switch 8 in centre.Switching space is 20mm.The track that contact wire slides on pantograph pan can be by noting near switch, thereby reflect the distance of contact wire apart from the pantograph center.
Among Fig. 7, respond to and integratedly be installed on the pantograph pan 10 near switch 9, its two upper lateral part and draw runner 11 are connected.
First survey line trouble is installed in downward 500mm place, pantograph turning with induction is integrated near switch 12, and every interval 50mm installs one near switch, and three on every limit amounts to six.
The induction of the survey steady arm gradient is integrated to be two-way near switch near switch 13, is installed on apart from the both sides at 600mm place, pantograph center, and makes contact pilotage 14 be higher than slide plate 50mm.When the steady arm gradient less than 1/10 the time, pantograph will be run into contact pilotage by this place, makes near switch motion, measurement mechanism just provides a signal to computing machine, and prints this steady arm nonconformity mark.
Among Fig. 9, survey height and be installed on roof 16 with angular transducer 15.The height of contact wire measurement is chargedly under train running speed to carry out continuously, therefore, requires this device insulation reliable.
In this measurement mechanism, metal sheet 17 is equivalent to the lower arm rod of pantograph, pivot angle α=α ', and couple together by the four-bar linkage MNJK and the pantograph of parallelogram.18 are rotating shaft, and 19,20,21 is connecting rod, and 22 is insulator.As contact wire decline △ H, pantograph corner anticlockwise motion one angle △ α moves to right connecting rod around the shaft, and metal sheet 17 also correspondingly rotates △ α ' in the counterclockwise direction, the result makes the corresponding decline △ of sensor output voltage V, and machine just draws the height of contact wire situation of change after handling as calculated.
The angular transducer inner structure also is to be made of magnetic core, coil, housing and integrated circuit, integrated circuit is made of oscillating circuit, rectifying circuit and amplifying circuit, coil is in parallel with cond C, form a resonance circuit, it directly influences resonant tank output by the signal that metal sheet 17 inductions come, thereby influences sensor output voltage.
Microwave detector 21 in pairs, equidistantly is respectively in the both sides of pantograph 6 as the active sensor of bar measurement mechanism, is fixed on the roof.When train operation, when the moving target pole entered the detector monitor area, detector received and the corresponding Doppler signal of moving target speed immediately, and this signal is converted into high level signal and sends into and obtain the bar number after handling in the bar metering circuit.
22 two both sides that are installed on roof 23 respectively of pick up camera, and the angle of roof should be regulated between 30-60 °.Dotted line 00 among the figure ' expression track centerline, pick up camera C1, C2 are installed on the roof both sides with identical elevation angle theta symmetry, and G1, G2 represent the front principal point of the lens of pick up camera C1, C2 respectively, and G0, G20 are respectively the primary optical axis of two lens.Between G1, the G2 apart from S for resembling the machine mounting distance, camera is Ho to the setting height(from bottom) of orbit plane.Wherein, S and Ho are the constants that need only once measure, therefore, as long as measure angle α and β (or tg α and tg β), just can calculate the stagger and the height of contact wire.
Claims (5)
1, contact nets in electrified railways geometric parameter measurement device, constitute by checking system and accessory equipment, checking system is by off normal (zigzag value, the line trouble, the steady arm gradient), highly, bar number and the speed of a motor vehicle and rang sensor and measurement mechanism, the special measurement circuit, microprocessor system, monitoring display instrument and communication apparatus constitute, zigzag value sensor symmetry equidistantly is respectively in pantograph transverse center both sides, line trouble sensor is positioned at the pantograph bent back ends, the steady arm Slope Transducer is symmetrically distributed in pantograph two outsides, the sensor of measuring above-mentioned three kinds of data all is fixed on the pantograph metal sheet, height sensor is fixed on the roof, the bar sensor is paired more than two, be symmetrically distributed and be fixed on roof pantograph both sides, the speed of a motor vehicle and rang sensor are installed on the both ends of the axle of a pair of wheel, it is characterized in that checking system has the vibration compensation device, this vibration compensation device is made of with vertical two cover capacitance displacement sensors level, a pole plate of two cover sensors is separately fixed on the car body, level or vertical box that another pole plate is separately fixed at axle box cover, be its another capacitor plate just perhaps, have lead to link to each other between this two covers building-out capacitor and special measurement circuit with axle box cover.
2, contact nets in electrified railways geometric parameter measurement device according to claim 1 is characterized in that off normal is measured and the height survey sensor all adopts electromagnetic induction integrated near switch.
3, contact nets in electrified railways geometric parameter measurement device according to claim 2, it is characterized in that the off normal survey sensor is by magnetic core, coil, TCA205(SC205) integrated package and peripheral circuit be encapsulated in the metal shell and form, on the coil and connect a cond, peripheral circuit has a switch circuit, and the input/output terminal of switching valve all and connect filter capacitor.
4, contact nets in electrified railways geometric parameter measurement device according to claim 2 is characterized in that the height survey sensor is encapsulated in the metal shell and is formed by magnetic core, coil, vibration, rectification, amplifying circuit, on the coil and connect a cond.
5, according to claim 1,2,3,4 described contact nets in electrified railways geometric parameter measurement devices, it is characterized in that the bar survey sensor is an active sensor--microwave remote sensor, this microwave remote sensor are equally spaced in pairs in the pantograph both sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN92221964U CN2151913Y (en) | 1992-12-29 | 1992-12-29 | Geometry parameter measuring device for electric railway contact net |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN92221964U CN2151913Y (en) | 1992-12-29 | 1992-12-29 | Geometry parameter measuring device for electric railway contact net |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2151913Y true CN2151913Y (en) | 1994-01-05 |
Family
ID=33768658
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN92221964U Expired - Fee Related CN2151913Y (en) | 1992-12-29 | 1992-12-29 | Geometry parameter measuring device for electric railway contact net |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2151913Y (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102175219A (en) * | 2011-01-31 | 2011-09-07 | 中国铁道科学研究院基础设施检测研究所 | High-speed contact network locator gradient detection method and apparatus thereof based on video analysis |
| CN103217111A (en) * | 2012-11-28 | 2013-07-24 | 西南交通大学 | Non-contact contact line geometrical parameter detecting method |
| CN104272058A (en) * | 2013-02-19 | 2015-01-07 | 株式会社明电舍 | Wear measuring device and method for same |
| CN107757246A (en) * | 2017-11-16 | 2018-03-06 | 长沙开元仪器股份有限公司 | A kind of rail vehicle and its Split type track wheel of vehicle |
| CN107941162A (en) * | 2017-12-20 | 2018-04-20 | 大同新成新材料股份有限公司 | A kind of deformation detecting device of OCS and pantograph |
| CN108705957A (en) * | 2018-07-05 | 2018-10-26 | 中铁第勘察设计院集团有限公司 | Contact net is oriented to electrodeless rotation molded line trouble device |
| CN108778788A (en) * | 2016-05-04 | 2018-11-09 | 威伯科欧洲有限责任公司 | For the electronic horizon adjustment equipment of air spring type vehicle, for the method and control device of electronic horizon adjusting |
| CN108981562A (en) * | 2018-06-29 | 2018-12-11 | 南京铁道职业技术学院 | High-speed rail train pantograph carbon slide wears accurate automatic detection device |
-
1992
- 1992-12-29 CN CN92221964U patent/CN2151913Y/en not_active Expired - Fee Related
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102175219A (en) * | 2011-01-31 | 2011-09-07 | 中国铁道科学研究院基础设施检测研究所 | High-speed contact network locator gradient detection method and apparatus thereof based on video analysis |
| CN102175219B (en) * | 2011-01-31 | 2013-01-23 | 中国铁道科学研究院基础设施检测研究所 | High-speed contact network locator gradient detection method and apparatus thereof based on video analysis |
| CN103217111A (en) * | 2012-11-28 | 2013-07-24 | 西南交通大学 | Non-contact contact line geometrical parameter detecting method |
| CN103217111B (en) * | 2012-11-28 | 2016-01-06 | 西南交通大学 | A kind of non-contact contact line geometric parameter detection method |
| CN104272058A (en) * | 2013-02-19 | 2015-01-07 | 株式会社明电舍 | Wear measuring device and method for same |
| CN104272058B (en) * | 2013-02-19 | 2016-06-22 | 株式会社明电舍 | Abrasion determinator and method thereof |
| CN108778788A (en) * | 2016-05-04 | 2018-11-09 | 威伯科欧洲有限责任公司 | For the electronic horizon adjustment equipment of air spring type vehicle, for the method and control device of electronic horizon adjusting |
| CN108778788B (en) * | 2016-05-04 | 2022-04-15 | 威伯科欧洲有限责任公司 | Electronic level control device for an air spring vehicle, method and control device for electronic level control |
| EP3452311B1 (en) * | 2016-05-04 | 2023-08-30 | ZF CV Systems Europe BV | Air-suspended vehicle and method for electronic level control of an air-suspended vehicle |
| CN107757246A (en) * | 2017-11-16 | 2018-03-06 | 长沙开元仪器股份有限公司 | A kind of rail vehicle and its Split type track wheel of vehicle |
| CN107757246B (en) * | 2017-11-16 | 2023-08-18 | 长沙开元仪器有限公司 | Railway vehicle and split type railway vehicle wheel thereof |
| CN107941162A (en) * | 2017-12-20 | 2018-04-20 | 大同新成新材料股份有限公司 | A kind of deformation detecting device of OCS and pantograph |
| CN108981562A (en) * | 2018-06-29 | 2018-12-11 | 南京铁道职业技术学院 | High-speed rail train pantograph carbon slide wears accurate automatic detection device |
| CN108981562B (en) * | 2018-06-29 | 2023-05-30 | 南京铁道职业技术学院 | Accurate automatic checkout device of high-speed railway train pantograph carbon slide wearing and tearing |
| CN108705957A (en) * | 2018-07-05 | 2018-10-26 | 中铁第勘察设计院集团有限公司 | Contact net is oriented to electrodeless rotation molded line trouble device |
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