CN201553165U - Orbit geometric parameter measuring trolley - Google Patents
Orbit geometric parameter measuring trolley Download PDFInfo
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- CN201553165U CN201553165U CN2009202695885U CN200920269588U CN201553165U CN 201553165 U CN201553165 U CN 201553165U CN 2009202695885 U CN2009202695885 U CN 2009202695885U CN 200920269588 U CN200920269588 U CN 200920269588U CN 201553165 U CN201553165 U CN 201553165U
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Abstract
An orbit geometric parameter measuring trolley applied in the railway locomotive orbit measuring field comprises a vehicle body, a bottom frame, a power system, a control system, a measuring system and an electric control system, wherein the vehicle body is located at the bottom frame, and comprises a cab, a chair and a control console inside the cab, the vehicle body is used for operators to drive the trolley and operate vehicle-mounted measuring instrument, the bottom frame is located at the bottom of the vehicle body and has the function of conveying traction force, braking force and working mechanism action force, a power source of the power system is an accumulator and takes a mechanical transmission device as a transmission mechanism, the control system is used for electric control of the whole vehicle, and measuring system comprises an optical measuring device which is used for high precision measurement of orbit parameters. The novel obit geometric parameter measuring trolley has the advantages of low labor intensity, high working efficiency, improved working environment, multiple information for loading measuring instrument, stable and reliable work and the like, the trolley is provided with power itself and can be independently operated for driving, and high efficiency can satisfy the guiding measurement of large-scale road nursing mechanical operation on orbit geometric parameters.
Description
Technical field
The utility model relates to a kind of orbital-elements measurement carriage device, especially a kind of carriage device that is applied to the rail vehicles track geometric parameter measurement.
Background technology
Be accompanied by the China railways great-leap-forward development, the running velocity of rolling stock improves constantly on the railway, the railway maintenance requirements for quality is strict more, the requirement of orbit geometry parameter precision is also improved greatly, mainly come the mode of detection line direction and vertical vertical deviation can not satisfy the requirement of the maintenance quality of present circuit as benchmark during past domestic large-scale maintenance machinery operation with the string wire line.Along with research and the application of high precision special quality orbit measurement device (laser aligning measurement mechanism, optical measuring device, total powerstation and GPS etc.), as the carrier instrument of measuring system---the research of small rail car is also imperative with application.Track geometric parameter measurement car is and the supporting use of railway track large-scale maintenance machinery operation, can be on the circuit of standard gauge traveling and movably measuring instrument carrier instrument that orbit geometry parameter is measured, it can satisfy the requirement and the condition of measuring system work.
At present, domestic and large-scale maintenance machinery is supporting to be hand propelled orbit measurement dolly with the measurement dolly, mainly is made up of road wheel, vehicle frame, rail clamping device, measuring instrument permanent seat etc., and its structural representation as depicted in figs. 1 and 2.This dolly has four (or three) road wheels, needs in the work to promote to walk on the track circuit by manpower, during work rail clamping device is stuck on the side rail, and dolly is positioned transfixion on the rail, guarantees the accuracy of measuring; The measuring instrument interface is single relatively, can not satisfy multi-functional measurement requirement, or only satisfies and as the supporting satellite dolly of large-scale maintenance machinery track geometric parameter measurement is used, or only satisfies and independently carry out the measurement of track circuit geometric parameter.
Hand propelled orbit measurement carriage walking is a hand propelled, simple in structure and light and handy, but field of application is narrower, efficient is lower, working environment is relatively poor, uses and operate equal inconvenience, and the interface of measuring instrument is also very single in addition, functional limitation can not satisfy accurately measuring fast of present high speed railway field orbit parameter.
The utility model content
Technical problem to be solved in the utility model provides a kind of later-model track geometric parameter measurement car device, by implementing the utility model, the field of application that can solve the prior art existence is narrower, efficient is lower, working environment is relatively poor, use and operate equal inconvenience, the measuring instrument interface is very single, series of technical such as functional limitation.
According to the utility model, above-mentioned technical matters is to realize by technical characterictic as described below: a kind of track geometric parameter measurement car, comprise car body, underframe, power system, control system, measuring system and electric control system, car body is positioned on the underframe, comprise driver's cab and in-to-in seat thereof and lamp auxiliary electrical part, be used for operating personal and drive dolly and the vehicle-mounted measuring instrument of operation; Underframe is positioned at the car body bottom, plays transmitting tractive power, braking force and operating mechanism's application force; Control system comprises storage battery and driving governor; The propulsion source of power system is a storage battery, and with mechanical drive as transmission device; Measuring system comprises optical measuring device, is used for the high-acruracy survey of orbit parameter; Electric control system is used to realize the electrical control of car load.
As the further embodiment of the utility model, underframe comprise vehicle frame, the wheel to and brake equipment, the wheel between rail and underframe, be used to carry the weight of whole dolly; Brake equipment is arranged on the imput shaft, near bearing seat.
As the further embodiment of the utility model, track geometric parameter measurement car propulsion source storage battery provides power for traction motor, traction motor is a DC motor, traction motor connects speed-changing mechanism, speed-changing mechanism comprises reductor, slow down by speed-changing mechanism, by sprocket wheel chain chain-driving that transmission of power is right to the wheel of imput shaft again, the drive track geometric parameter measurement car also satisfies required moving velocity requirement.
As the further embodiment of the utility model, underframe comprises by the rail device, by the rail device comprise by rail wheel, by the rail appliance stand, about by the rail steering unit, by rail device linkwork and lift system, be articulated on the vehicle frame by leaning on rail device linkwork by the rail device, lift from and put down from rail by lift system by the rail device, by about by rail steering unit implement device by rail.
As the further embodiment of the utility model, driver's cab is divided into two parts up and down; Driver's cab top is ceiling structure, adopts glass-felt plastic to be shaped and makes, and windows all around, and the driver's cab bottom links to each other with vehicle frame, and the guide location is adopted in the upper and lower, the connection mode that hasp is fastening, and the top and the bottom face of joint has rainproof infiltration structure.
As the further embodiment of the utility model, measuring system comprises the range observation wheel, the range observation wheel uses a road wheel to carry out travel distance and measures, range observation is taken turns on rail level and is rolled, coder is housed on it, and an end drives the coaxial with it treated distance of demarcating of pulse signal generator output corresponding pulses signal by coupler.
As the further embodiment of the utility model, measuring system comprises laser aligning measurement mechanism or total powerstation or GPS or laser generator.
As the further embodiment of the utility model, electric control system comprises dynamic power system, Lighting System, electric drive system, status display system and interface system, and dynamic power system provides working power for storage battery, Lighting System, electric drive system, status display system; Lighting System comprises passing light, flank indicator, driver's cab illuminating lamp; Electric drive system comprises traction motor and traction motor governor two parts, and traction motor provides power to realize trolley travelling to track geometric parameter measurement car, and the traction motor governor is realized startup, speed governing and the emergency protection of traction motor; Status display system is shown the driving states and the mode of operation of track geometric parameter measurement car by indicator lamp; Interface system obtains the two-way vdc by storage battery process DC-DC conversion and provides power supply to measuring system.
As the further embodiment of the utility model, traction motor is selected DC motor for use, calculates according to traction, and the selection rated voltage is 48V, and rating horsepower is that DC motor is encouraged in it of 1.5kW.
By implementing the utility model, novel track dimensional measurement dolly is self-powered can independent manipulation to travel, and high efficiency satisfies the leading measurement of large-scale maintenance machinery operation to orbit geometry parameter.The driving functions that had both possessed the electric track dolly also possesses the function that satisfies and adapt to multiple orbit measurement system device operating needs.Owing to have electronic traveling function, compare with the hand propelled dolly, this dolly has that labour intensity is low, high efficiency, working environment improve, load advantages such as the measuring instrument interface is many, working stability is reliable, can be used as that satellite dolly and large-scale maintenance machinery are supporting to be used track geometric parameter measurement as the satellite dolly, also can independently carry out the measurement of track circuit geometric parameter.This dolly employing is power with the storage battery and has driver's cab that measurement mechanism has improved work efficiency greatly to the agility of station and station conversion when effectively guaranteeing surveying work; Operating personal can be taken in driver's cab, so also effectively improves and improved the working environment and the labour intensity of operating personal; Dolly have satisfy the required positioning requirements of measurement mechanism work by rail device and the multi-functional seat that installs and fixes, adapt to the application of multiple measurement mechanism, greatly enlarged the work range of use.
Description of drawings
Fig. 1 is the Facad structure scheme drawing of prior art orbit measurement dolly;
Fig. 2 is the construction profile scheme drawing of prior art orbit measurement dolly;
Fig. 3 is the system architecture composition frame chart of the utility model orbit measurement dolly;
Fig. 4 is the further system architecture composition frame chart of the utility model orbit measurement dolly;
Fig. 5 is the utility model orbit measurement dolly running part structure composition frame chart;
Fig. 6 is the utility model orbit measurement chauffeur chamber part Facad structure scheme drawing;
Fig. 7 is the utility model orbit measurement chauffeur chamber part construction profile scheme drawing;
Fig. 8 is the utility model orbit measurement chauffeur chamber partial interior structural representation;
Fig. 9 is the utility model orbit measurement dolly underframe part Facad structure scheme drawing;
Figure 10 is the utility model orbit measurement dolly underframe part construction profile scheme drawing;
Figure 11 is that the utility model orbit measurement dolly is by rail device part front view;
Figure 12 is that the utility model orbit measurement dolly is by rail device part birds-eye view;
Figure 13 is the utility model orbit measurement bogie brake part-structure scheme drawing;
Figure 14 is the utility model orbit measurement dolly electric control system part composition frame chart;
Wherein: 1-track geometric parameter measurement car, 2-car body, 3-underframe, the 4-power system, 5-control system, 6-measuring system, the 7-electric control system, 21-driver's cab, 22-seat, 23-measurement mechanism fixed platform, 24-control box, 31-vehicle frame, the 32-wheel is right, 33-brake equipment, 331-brake-applying handle, 332-brakes seat board, 333-brake wheel, 334-leverage, the 335-retarding spring, the 336-slipper, 34-is by the rail device, 341-leans on rail steering unit, 343-lift system by the rail wheel about 342-, 344-is by the rail appliance stand, and 345-is by rail device linkwork, 41-traction motor, the 42-reductor, 43-sprocket wheel chain, 44-imput shaft, the 45-elastic coupling, 51-storage battery, 52-driving governor, 61-range observation wheel, other measurement mechanisms of 62-, 71-dynamic power system, the 72-Lighting System, the 73-electric drive system, 74-status display system, 75-interface system.
The specific embodiment:
Below in conjunction with the drawings and specific embodiments the utility model is described further.
As a kind of exemplary embodiment of the present utility model, as depicted in figs. 1 and 2, track geometric parameter measurement car 1 comprises car body 2, underframe 3, power system 4, control system 5, and measuring system 6, electric control system 7, car body 2 comprises driver's cab 21 and in-to-in seat 22 thereof, control desk, is the working space that operating personal is driven dolly and the vehicle-mounted measuring instrument of operation; Underframe 3 is positioned at car body 2 bottoms, works to support car body, transmitting tractive power, braking force and operating mechanism's application force; Power system 4 adopts storage battery as propulsion source, and adopts mechanical drive; Control system 5 comprises storage battery 51 and driving governor 52; Vehicle-borne measuring system 6 comprises optical measuring device, is used for the measurement of high precision high quality orbit parameter; Electric control system 7 is used for the electrical control of car load.
Shown in Fig. 6,7,8, car body 2 mainly is made up of driver's cab 21 and inner seat 22 and control desk etc.Driver's cab is the working space that operating personal is driven dolly and the vehicle-mounted measuring instrument of operation.The driver's cab structure is divided into two parts up and down.The driver's cab bottom links to each other with vehicle frame 3, and adopt with the guide location upper and lower, and the connection mode that hasp is fastening can realize accurately, dismounting easily and quickly, and the structure of face of joint structure with rainproof infiltration considered simultaneously.Driver's cab top is the driver's cab ceiling structure, adopts glass-felt plastic to be shaped and makes, and windows all around, guarantees to have the good daylighting Yu lookout visual field, can remove driver's cab top separately according to ambient conditions at work.The driver's cab bottom is fixed on the vehicle frame 3, and its structure is the quadro frame structure, and the profile length and width are pressed the design of vehicle frame size correspondingly-sized, and structure can be taked skeleton plug-in type assembly unit connection structure mode.Offer observation window on the wall of bottom before the vehicle-mounted measuring instrument form in car body 2 rear portions.Driver's cab 21 is places that operating personal is driven dolly and the vehicle-mounted measuring instrument of operation, so driver's cab will have rational space and good working environment, guarantee facility location rationally row be beneficial to driving and surveying work.Measurement mechanism fixed platform 23 is settled in middle and upper part in the driver's cab top plan view, at its lower left quarter control box 24 is set.
As Fig. 9 and shown in Figure 10, underframe 3 mainly by vehicle frame 31, wheel to 32, brake equipment 33, form by rail device 34 etc.Vehicle frame 31 is bases of track geometric parameter measurement car, be that traction motor 41 and power system, the walking wheel basis to, equipment, measurement mechanism, auxiliary facilities and driver's cab is installed, and play transmitting tractive power, braking force and operating mechanism's application force.The girder construction of the main body of vehicle frame 31 for adopting the section bar assembly welding to form born and removed the whole dolly weight of wheel fgn.Wheel is the traveling portion of dolly to 32, adopts two arbor wheels to version, and 180-200mm is adopted in the wheel footpath.Based on dolly traveling speed and the consideration of wheel to structural weight and chassis frame height, wheel is to bearing the dolly total weight, and guided vehicle travels on rail under the heavy burden situation, produce adhesive tractive effort or braking force mutually with rail, take turns in addition and bear bigger impact and live load to being in operation, and assembling stress, therefore wheel is to having sufficient intensity and having certain wear ability.Wheel tread must meet railway or relevant industries standard, guarantees the stability and security of dolly driving.The brake equipment 33 of measuring dolly is provided with service brake and parking brake function, can take a shared cover system.Select for use general-duty disc type or drum brake mechanism to brake, use the operation of stretcher or hand lever.As shown in figure 13, brake equipment 33 is arranged on the imput shaft 44, and near the bearing seat place, its structure is made up of slipper 336, brake wheel 333, braking seat board 332, leverage 334, retarding spring 335, brake-applying handle 331, and its principle of work is a lever construction.
Track geometric parameter measurement car be mainly used to satisfy line direction and level detection device work by rail device 34 time needs be adjusted to the benchmark requirement of orbit centre position.By rail device 34 structures such as Figure 11 and shown in Figure 12.Mainly by by rail wheel 341, by rail appliance stand 344 (containing measurement mechanism steady job platform), about by trailer structure 342, form by rail device linkwork 345, lift system 343.Be articulated on the vehicle frame 31 by the rail device, lift from and put down from rail, realize by the rail steering unit about device passes through by rail by lift system 343.Range observation wheel 61 adopts a road wheel to measure as travel distance and uses, coder is housed on it, its principle of work is that measuring pulley rolls on rail level, and an end drives the coaxial with it treated distance of demarcating of pulse signal generator output corresponding pulses signal by coupler.This measuring pulley is installed on the dolly right front portion.
Track geometric parameter measurement car adopts storage battery as propulsion source.The transmission adopted mechanical drive, as power, by speed-changing mechanism deceleration, by chain-driving that transmission of power is right to driving wheel again, driving trolley also satisfies required moving velocity requirement with DC motor.Speed-changing mechanism can comprise reductor 42 and elastic coupling 45, and its drive path as shown in Figure 5.Power system 4 comprises traction motor 41 and reductor 42, sprocket wheel chain 43 etc.Consider the requirement of dolly work to measuring system 6 device riding positions, dolly drives the forerunner's mode that adopts, and front-wheel is to as driving wheel.Traction motor 41 is selected DC motor for use, calculates according to traction, and the selection rated voltage is 48V, and rating horsepower is that DC motor is encouraged in it of 1.5kW.Be fixed on the dolly underframe 3.Reductor 42 is selected suitable reduction ratio according to the requirement of dolly moving velocity for use with reference to calculating such as road wheel size, motor rated speed of rotation, and the reductor structure is considered to select for use and the incorporate decelerator of traction motor.Sprocket wheel chain 43 is determined with car body 2 Undercarriage structure situations according to concrete space size, is considered that simultaneously the selection standard of reductor or the situation of universal speed reducer can recently remedy by the transmission of sprocket wheel chain 43.Mouth that is installed on reductor of sprocket wheel, another is fixed on the imput shaft 44, chain selection standard chain.
The electric control system 7 of whole dolly comprises following five major parts, and dynamic power system 71 comprises storage battery, Lighting System 72, electric drive system 73 (motor and IGBT chopping regulating speed controller), status display system 74, interface system 75.Being made of the general supply of car load traction accumulator provides working power for Lighting System, status display system, the electric drive system of dolly.It is 60Ah that storage battery 51 is chosen capacity, and hour discharge current is the traction accumulator of 60A.The Lighting System 72 of full car comprises passing light, front and back marking light (flank indicator), driver's cab illuminating lamp, and they are operated by corresponding rocker type switch, and siren is by push button control.Status display system 74 is used for dolly and comprises different stastus format in work with operational process, and the demonstration as driving running state, working state (braking, lean on rail, work location) is specifically shown by indicator lamp.Dolly traveling speed and mileage number are shown by dolly speed mileometer (pointer-type).By installation rate sensor on traction motor, speed signal is fed back on the speed meter by sensor.Mode of operation comprises braking, locatees three kinds of states by rail, work.Electric drive system 73 comprises traction motor and motor speed regulator two parts, and traction motor provides power to realize trolley travelling for the measurement dolly; Motor speed regulator is the functions such as startup, speed governing and emergency protection that realize traction motor.Measuring system provides power interface to interface system 75 in the dolly in order to measure.The power supply of measuring system 6 obtains the two-way vdc by storage battery process DC-DC conversion to be provided.The vehicle-borne measurement mechanism of dolly mainly contain matching used orbit measurement device (optical measuring device or total powerstation or GPS or laser generator etc.), range observation wheel and with dolly on have the structure interface that installs and fixes that satisfies and meet its job requirement.
Though described embodiment of the present utility model in conjunction with the accompanying drawings, those of ordinary skill in the art can make various distortion or modification within the scope of the appended claims.
Claims (10)
1. track geometric parameter measurement car, it is characterized in that, comprise car body (2), underframe (3), power system (4), control system (5), measuring system (6) and electric control system (7), car body (2) is positioned on the underframe (3), comprise driver's cab (21) and in-to-in seat (22) thereof and lamp auxiliary electrical part, be used for operating personal and drive dolly and the vehicle-mounted measuring instrument of operation; Underframe (3) is positioned at car body (2) bottom, plays transmitting tractive power, braking force and operating mechanism's application force; Control system (5) comprises storage battery (51) and driving governor (52); The propulsion source of power system (4) is a storage battery, and with mechanical drive as transmission device; Measuring system (6) comprises optical measuring device, is used for the high-acruracy survey of orbit parameter; Electric control system (7) is used to realize the electrical control of car load.
2. a kind of track geometric parameter measurement car according to claim 1, it is characterized in that, described underframe (3) comprises vehicle frame (31), wheel to (32) and brake equipment (33), takes turns to (32) between rail and underframe (3) weight that is used to carry whole dolly; Brake equipment (33) is arranged on the imput shaft (44), near bearing seat.
3. a kind of track geometric parameter measurement car according to claim 2, it is characterized in that, described track geometric parameter measurement car propulsion source storage battery is that traction motor (41) provides power, traction motor (41) is a DC motor, traction motor connects speed-changing mechanism, speed-changing mechanism comprises reductor (42), slow down by speed-changing mechanism, again by sprocket wheel chain (43) chain-driving with transmission of power to the wheel of imput shaft (44) to (32), the drive track geometric parameter measurement car also satisfies required moving velocity requirement.
4. a kind of track geometric parameter measurement car according to claim 3, it is characterized in that, described underframe (3) comprises by rail device (34), comprise by rail wheel (341) by rail device (34), by rail appliance stand (344), about by rail steering unit (342), by rail device linkwork (345) and lift system (343), be articulated on the vehicle frame (31) by leaning on rail device linkwork (345) by rail device (34), lift from and put down from rail by lift system (343) by rail device (34), by about lean on rail by rail steering unit (342) implement device.
5. a kind of track geometric parameter measurement car according to claim 4 is characterized in that, described driver's cab (21) is divided into two parts up and down; Driver's cab top is ceiling structure, adopts glass-felt plastic to be shaped and makes, and windows all around, and the driver's cab bottom links to each other with vehicle frame (31), and the guide location is adopted in the upper and lower, the connection mode that hasp is fastening, and the top and the bottom face of joint has rainproof infiltration structure.
6. a kind of track geometric parameter measurement car according to claim 5, it is characterized in that, described measuring system (6) comprises range observation wheel (61), described range observation wheel (61) uses a road wheel to carry out travel distance and measures, range observation wheel (61) rolls on rail level, coder is housed on it, and an end drives the coaxial with it treated distance of demarcating of pulse signal generator output corresponding pulses signal by coupler.
7. a kind of track geometric parameter measurement car according to claim 6 is characterized in that, described measuring system (6) comprises laser aligning measurement mechanism or total powerstation or GPS or laser generator.
8. a kind of track geometric parameter measurement car according to claim 7, it is characterized in that, described electric control system (7) comprises dynamic power system (71), Lighting System (72), electric drive system (73), status display system (74) and interface system (75), and dynamic power system (71) is that storage battery (51), Lighting System (72), electric drive system (73), status display system (74) provide working power; Lighting System (72) comprises passing light, flank indicator, driver's cab illuminating lamp; Electric drive system (73) comprises traction motor and traction motor governor two parts, traction motor provides power to realize trolley travelling for track geometric parameter measurement car (1), and the traction motor governor is realized startup, speed governing and the emergency protection of traction motor; Status display system (74) is shown the driving states and the mode of operation of track geometric parameter measurement car by indicator lamp; Interface system (75) obtains the two-way vdc by storage battery (51) process DC-DC conversion and power supply is provided for measuring system (6).
9. according to the described a kind of track geometric parameter measurement car of arbitrary claim in the claim 3 to 8, it is characterized in that described traction motor (41) is selected DC motor for use.
10. a kind of track geometric parameter measurement car according to claim 9 is characterized in that, it is 48V that described DC motor is selected rated voltage for use, and rating horsepower is that DC motor is encouraged in it of 1.5kW.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202695885U CN201553165U (en) | 2009-10-24 | 2009-10-24 | Orbit geometric parameter measuring trolley |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202695885U CN201553165U (en) | 2009-10-24 | 2009-10-24 | Orbit geometric parameter measuring trolley |
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| CN201553165U true CN201553165U (en) | 2010-08-18 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101700777B (en) * | 2009-10-24 | 2011-09-28 | 株洲南车时代电气股份有限公司 | Track geometric parameter measurement car |
| CN102346028A (en) * | 2011-06-14 | 2012-02-08 | 重庆大学 | Mechanical signal modulation device for line shape detection of railway girder of light railway |
| CN104527731A (en) * | 2015-01-07 | 2015-04-22 | 中国铁道科学研究院 | Method for calculating section length errors of radio shunting cab signal and monitoring system |
| CN105133448A (en) * | 2015-08-13 | 2015-12-09 | 广东工业大学 | Device and method for calculating coordinate of track and coordinate of detected point |
| CN108284856A (en) * | 2018-01-18 | 2018-07-17 | 湖南华宏铁路高新科技开发有限公司 | A kind of train is with apart from monitoring device |
-
2009
- 2009-10-24 CN CN2009202695885U patent/CN201553165U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101700777B (en) * | 2009-10-24 | 2011-09-28 | 株洲南车时代电气股份有限公司 | Track geometric parameter measurement car |
| CN102346028A (en) * | 2011-06-14 | 2012-02-08 | 重庆大学 | Mechanical signal modulation device for line shape detection of railway girder of light railway |
| CN102346028B (en) * | 2011-06-14 | 2014-03-19 | 重庆大学 | Mechanical signal modulation device for line shape detection of railway girder of light railway |
| CN104527731A (en) * | 2015-01-07 | 2015-04-22 | 中国铁道科学研究院 | Method for calculating section length errors of radio shunting cab signal and monitoring system |
| CN105133448A (en) * | 2015-08-13 | 2015-12-09 | 广东工业大学 | Device and method for calculating coordinate of track and coordinate of detected point |
| CN105133448B (en) * | 2015-08-13 | 2017-05-24 | 广东工业大学 | Device and method for calculating coordinate of track and coordinate of detected point |
| CN108284856A (en) * | 2018-01-18 | 2018-07-17 | 湖南华宏铁路高新科技开发有限公司 | A kind of train is with apart from monitoring device |
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| C14 | Grant of patent or utility model | ||
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| AV01 | Patent right actively abandoned |
Granted publication date: 20100818 Effective date of abandoning: 20091024 |