CN101008575A - Over-limit measuring instrument and method of railway transportation equipment - Google Patents
Over-limit measuring instrument and method of railway transportation equipment Download PDFInfo
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- CN101008575A CN101008575A CN 200610002096 CN200610002096A CN101008575A CN 101008575 A CN101008575 A CN 101008575A CN 200610002096 CN200610002096 CN 200610002096 CN 200610002096 A CN200610002096 A CN 200610002096A CN 101008575 A CN101008575 A CN 101008575A
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Abstract
This invention discloses one railway transport device super limit meter device and method, wherein, the meter device comprises the following parts: supportive system to provide stable supportive bench; measurement system to test, monitor and process data of object to be displayed, output, stored composed of laser radar, inclination sensor, angle sensor, step motor, rotation motor, work control machine, CCD cameral, servo system and cross rail ruler. The test method comprises steps of determining coordinate standard point; processing transmission data to determine super limit part and degree.
Description
Technical field
The present invention relates to a kind of thing position and form weight measurement instrument and measuring method, relate in particular to a kind of railway transportation equipment transfinite measuring instrument and measuring method.
Background technology
The Large-Scale Equipment transportation by railroad fast detecting that transfinites is that the current rail military transportation ensures one of the difficult point problem be eager to solve.At present, army's Large-Scale Equipment is more and more, contour dimension often transfinites or approaching transfiniting during these equipment transportation by railroads, owing to there is not suitable detection means, can't accurately measure, railway interests considers from traffic safety, can only suitably amplify off-gauge grade, cause conevying efficiency to reduce, the military transportation expense increases.
At present, domestic when carrying out the transportation by railroad of the large-scale equipment that transfinites, in most cases still use the artificial simple measurement method of tradition such as tape measure, bamboo pole.This method measuring accuracy is low, the time is long, labour intensity is big, causes the omission false drop easily, and measurement result lacks objective and accurate property.Along with the development that railway electrification is built, testing staff's safety is on the hazard, and this method will be stopped using gradually.
Utilize the CCD photographing measurement method in addition, this method adopts fixedly portal frame building structure, ccd video camera is placed in the top and the side of measurement field, form the sealing transversal section, the lorry that moves in measurement field is taken, the simulation electronic image that obtains is converted to numerical information through capture card imports computing machine into, computing machine carries out calculating, correction, the planning of physical dimension, calculate the true altitude and the width of lade, and with its with set in advance loading in the computer program gauge that transfinites and compare, discovery is transfinited, and reports to the police at once.This method is set up portal frame need carry out the geologic structure survey and design, and difficulty of construction is big, the cycle is long, and install, debug, safeguard and need the professional carry out, the maintenance cost height, measuring accuracy is subjected to the geology variable effect bigger, system cost height (140～2,000,000 yuan).
Limit gaige measure to adopt the metallic door shelf structure, the installation and measuring plate, when vehicle by the time, the position of transfiniting starts check-out console, according to the anglec of rotation of plate and transfinite rank and position of judgement highly.This method must be set up the metal door frame, installs, debugging difficulty is big, and tested Vehicle Speed is had strict demand (less than 5km/h), is subjected to windage big, and measuring accuracy is low.
Infrared laser is measured according to a series of infrared sensor of the outline of vehicle gauge, forms a polygonal monitoring frame that transfinites.When vehicle had the position of transfiniting to exist, the infrared ray of relevant position was cut off, thereby roughly judged transfinite position and grade.This method complex structure, debug difficulties, measuring accuracy is low, and poor reliability is influenced greatly by climate, easily reports by mistake.
The above-mentioned measuring method of analysis-by-synthesis has following common feature: the one, all adopt the fixed gate rack and panel construction, and must under the train situation of movement, measure; The 2nd, build, debugging difficulty is big, strongly professional; The 3rd, cost and maintenance cost height.Incompatible with the transfinite actual demand of measuring of Large-Scale Equipment transportation by railroad, can't satisfy the use needs.
Summary of the invention
In order to solve the problem of above-mentioned existence, it is a kind of simple to operate that the utility model provides, measuring accuracy height, the railway transportation equipment of the being convenient to portable measuring instrument that transfinites.
Technical scheme of the present invention is to realize like this, a kind of railway transportation equipment measuring instrument that transfinites, comprise support system, measuring system and safeguards system, support system is used to measuring system that stable liftable support platform is provided, support system is mainly by tripod, elevating lever, The Cloud Terrace is formed, wherein tripod is installed on the elevating lever, the junction of tripod and elevating lever is provided with locking device, prevent the elevating lever radial-play, one end of elevating lever connects by being connected base with The Cloud Terrace, and the other end is connected with the power supply box of safeguards system, and lifter is installed on the elevating lever, be used to regulate the length of elevating lever, there is fixing support rack at the The Cloud Terrace two ends;
Measuring system is used for testee is measured, monitor and data processing demonstration and output and storage, mainly by laser radar, obliquity sensor, angular transducer, stepper motor, electric rotating machine, industrial computer, ccd video camera, warning light, servo-drive system, cross hair gauging rule and measurement carriage are formed, wherein measure carriage, warning light is installed on the fixing support rack at The Cloud Terrace two ends, mounted angle sensor on the baseplane of measurement carriage, ccd video camera is fixed in measures carriage baseplane position of center line, measure carriage by the stepper motor main shaft, the angular transducer main shaft connects, laser radar is installed on ccd video camera top, its center is parallel with the The Cloud Terrace center line, horizontal level and ccd video camera are consistent, stepper motor, angular transducer is installed in The Cloud Terrace bracing frame two ends respectively, and keep coaxial, laser radar, obliquity sensor, angular transducer, stepper motor and servo-drive system control signal are transferred to industrial computer by data line and control and handle, and industrial computer is installed on the elevating lever;
Safeguards system is used to system's operate as normal that reliable guarantee is provided, and mainly is made up of power supply box and electrical equipment control, and power supply box is installed on the below of elevating lever, and power lead is drawn out to industrial computer from power supply box, is connected to The Cloud Terrace from industrial computer.Power supply box also plays the stability action of the raising system that lowers the center of gravity to the decorum in system.
Between described The Cloud Terrace and the elevating lever, between industrial computer and the elevating lever, the measuring system on the The Cloud Terrace all is demountable, assemble in use.
Described safeguards system also comprises attemperating unit and light fixture, attemperating unit is a well heater, and well heater is installed on respectively on laser radar and the industrial computer, guarantees that it can operate as normal under-20-0 ℃ environment, light fixture is installed on the top of laser radar, and the assurance ccd video camera is being worked at night.
Described tripod comprise main support, assistant support, top hoop cover, bottom sliding sleeve, two 30 " horizontal bubble, locking device and slippage prevention device; wherein be connected by top hoop cover between main support and the elevating lever bottom bar; be connected by the bottom sliding sleeve between assistant support and the elevating lever bottom bar and sliding sleeve can slide in the elevating lever bottom bar: sliding sleeve is descending; when coming downwards to the deployed condition that the tripod footing needs; locking device is locked, the tripod expansion; Sliding sleeve is up, and locking device is opened, and tripod draws in main, and the tripod top is provided with 2 30, and " horizontal bubble is convenient to rapid adjustment tripod levelness; The ground connection place is provided with slippage prevention device, and tripod adopts the aluminium alloy compound section bar,
Described elevating lever is level Four altogether, and first order bar is fixed, second and third, level Four slides from top to bottom successively, also comprise fixedly termination and lifter, elevating levers at different levels top installs and fixes the termination, fixedly the steel wire on the elevating lever, elevating lever or aluminium alloy material are processed into porous structure; Or select magnesium alloy materials for use.
Described elevating lever adopts the resilient snap mode to be connected with The Cloud Terrace, and elevating lever adopts ring flange or hang to be connected with power supply box, and industrial computer adopts snap fit to be connected on the elevating lever.
Described The Cloud Terrace comprises The Cloud Terrace fixing support rack and electric rotating machine assembly, wherein fixing support rack is installed in the elevating lever top, the electric rotating machine assembly is installed on the pre-manufactured hole of support, electric rotating machine drives the work that ccd video camera carries out the horizontal location reference point and monitors the position thing shape that transfinites, the accuracy of calibration and the accuracy of data acquisition when driving angular transducer work with the scanning of assurance laser radar simultaneously.
Yellow ultra-high brightness LED warning light is installed on the described The Cloud Terrace, prevents the earth protective device that is struck by lightning, the polycarbonate protective cover that prevents the rainwater infiltration.
Replace electric rotating machine with manual rotation, and annular smooth support is set, hand-screw is installed on the elevating lever is changed hands handle at elevating lever and tripod junction.
Another object of the present invention provides the transfinite measuring method of measuring instrument of a kind of railway transportation equipment, at first determine the coordinate basis point, adopt cross hair gauging rule supplementary means, establish the coordinate of laser radar to testee, obliquity sensor, angular transducer, the cross hair gauging rule, data packets for transmission is drawn together the rail distance error, the level height error, The Cloud Terrace level inclination error, the support system error, handle at industrial computer, finish the support system polar coordinates to rectangular coordinates transformation, then data are carried out correcting process, be transformed to desirable level standard straight angle coordinate system, this desirable level standard straight angle coordinate system figure and transportation by railroad standard gauge are compared, thereby accurately judge transfinite position and off-gauge grade, finish measurement off-gauge goods.
Workflow of the present invention is, at first tripod is launched, the base angle ground wire of tripod, power supply box is connected with elevating lever one end of support system, The Cloud Terrace is installed in the other end of elevating lever, elevating lever is launched, industrial computer is installed on the elevating lever, the power supply in the power-on case, begin to measure, carry out the input and output of data and information, recession receipts measuring instrument is finished surveying work.
Principle of work: laser radar and ccd video camera are risen to suitable height with bracing frame, after ccd video camera carries out the benchmark location for gauging rule, laser radar carries out scanning survey, carry out data analysis by industrial computer and handle, obtain the three-dimensional data image, after the three-dimensional data image is revised, compare computing with transportation by railroad standard gauge, determine to transfinite position and grade, and be aided with shoot and monitor, find out the thing shape that transfinites.
Compared with prior art, the invention has the beneficial effects as follows:
1, system adopts flexible, array mode, but rapid deployment, removes receipts;
2, volume is little, in light weight, is convenient to portable;
3, measuring technique advanced person, precision height, speed are fast;
4, adapt to different climatic environments, antijamming capability is strong;
5, easy and simple to handle, job safety is reliable.
Description of drawings
Fig. 1 is an one-piece construction synoptic diagram of the present invention;
Fig. 2 is a The Cloud Terrace one-piece construction synoptic diagram;
Fig. 3 is the head assembly structural representation;
Fig. 4 is the lifting rod structure synoptic diagram;
Fig. 5 is the tripod structure synoptic diagram;
Fig. 6 is a workflow diagram;
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail, but not as to qualification of the present utility model.
As shown in Figure 1, the railway transportation equipment measuring instrument that transfinites, comprise support system, measuring system and safeguards system, wherein support system is used to measuring system that stable support platform is provided, support system is mainly by A-frame 2, elevating lever 5, The Cloud Terrace 8 is formed, wherein tripod 2 is installed on the elevating lever 5, tripod 2 is provided with locking device 4 with the junction of elevating lever 5, prevent elevating lever 5 radial-plays, tripod 2 ground connection place is provided with slippage prevention device, one end of elevating lever 5 adopts the resilient snap mode to connect with The Cloud Terrace 8 by being connected base 6, the other end adopts ring flange or hang to be connected with the power supply box 1 of safeguards system, lifter 3 is installed on the elevating lever 5, is used to regulate the length of elevating lever 5.Industrial computer 17 adopts snap fit to be connected on the elevating lever 5.
Described tripod comprise main support 36, assistant support 37, top hoop cover 38, bottom sliding sleeve 39, two 30 " horizontal bubble 40, locking device 4 and slippage prevention device 41; wherein be connected by top hoop cover 38 between main support 36 and the elevating lever 5; be connected by bottom sliding sleeve 39 between assistant support 37 and the elevating lever 5 and bottom sliding sleeve 39 can slide in elevating lever 5: bottom sliding sleeve 39 is descending; when coming downwards to the deployed condition that tripod 2 footing need; locking device 4 is locked, tripod 2 expansion; Bottom sliding sleeve 39 is up, and locking device 4 is opened, and tripod 2 draws in main, and tripod 2 adopts the aluminium alloy compound section bars, and versatility is good, and is in light weight, intensity is high, is convenient to processing and fabricating; The horizontal development angle design is an adjustable type, makes operation more flexible; Tripod 2 tops are provided with 2 30, and " horizontal bubble 40 is convenient to rapid adjustment tripod 2 levelnesss; The ground connection place is provided with slippage prevention device 41, has increased adhesive ability, has improved stability; Centre of gravity place reduces, and stationarity improves greatly.
Physical dimension when tripod 2 draws in is: 1980 * 200 * 200mm
Quality≤20Kg
Duration of run≤2min
Gathering time≤2min
Play error≤the 4mm of system
Load-bearing≤15kg
The maximum height 5400mm that rises
Color is unglazed or inferior light green black colour
Elevating lever 5 is level Four altogether, and first order bar is fixed, second and third, level Four slides from top to bottom successively, also comprises fixedly termination 35 and lifter 3, elevating levers at different levels 5 tops install and fix the termination, fixedly the steel wire in the jacking gear.By jacking gear, second and third, level Four bars at different levels can slide in subordinate's bar successively, realize lifting, elevating lever 5 aluminium alloy materials, weight: 6kg, lifting, locking operation are flexible, have no abnormal sound, the jam phenomenon, can be processed into porous structure; Or select magnesium alloy materials for use, elevating lever 5 supports its stable platform of going up all parts, assurance balance, a measuring height being provided.
Described The Cloud Terrace 8 comprises The Cloud Terrace fixing support rack 31 and electric rotating machine assembly 42 (having as broad as long with electric rotating machine), wherein fixing support rack 31 is installed in elevating lever 5 tops, electric rotating machine assembly 42 is installed on fixing support rack 31 pre-manufactured holes, electric rotating machine 7 drives the work that ccd video camera 15 positions reference point and monitors the position thing shape that transfinites, the accuracy of calibration and the accuracy of data acquisition when driving angular transducer 9 work simultaneously with 10 scannings of assurance laser radar, The Cloud Terrace 8 aluminium alloy materials.
The performance index of laser radar 10 are as follows:
Sweep limit (maximal value/10% reflectivity) 80m/30m
180 ° of scanning angles
0.25 ° of angular resolution is adjustable
Response time 53ms
Resolution/systematic error 10mm/ ± 35mm
Data-interface RS232/RS422
Switching value output 3 * PNP, DC24V
1 grade of lasing safety grade (people's safety)
Running environment grade 0～50
Encapsulation grade IP65
Size (185 * 156 * 155mm of L * W * H)
Horizontal gradient error when working for update the system, improve measuring accuracy, and consideration amount light system weight, select precision height, SCE-115T type obliquity sensor 16 that volume is little for use, its performance index are as follows:
0～15 ° of range
Electric 24V works
Repeat≤± 0.05
Resolution≤± 0.01
Serviceability temperature-25～65
Output interface RS422
Be the accurately minute of angle of Laser Measurement radar 10 straight scannings, guarantee the accuracy of data acquisition process, and consideration amount light system weight, select precision height, JDMX-16 type angular transducer 9 that volume is little for use, its performance index are as follows:
Working temperature-40～50
Deposit temperature-50～70
Precision 40 "
Output interface RS422
Outer degree of protection IP67
For realize laser radar 10 Nogatas to calibration scanning, guarantee measuring accuracy, and amount light system weight is selected precision height, 57BYG type stepper motor 14 that volume is little, low for use, its performance index are as follows:
Import electric DC24V
Rate 40W
Rotating speed 1000rpm
0.3 ° of step angle
Deadweight 1kg
Portable industrial pc 17
For the collection that realizes measurement data, computing, analysis, processing, storage, demonstration, transmission etc. can, consider to adapt to outer operating environment spare, select portable industrial pc in light weight, that volume is little, safe and reliable 17 for use, data collecting card and image pick-up card are installed in the industrial computer, and the performance index of industrial computer are as follows:
Dish 80G
Internal memory 512M
CPU P4
Data collecting card
For guaranteeing the reasonable of various measurement data and computing machine, realize collection, the conversion of data-signal, select the CP132 type data collecting card that overlaps with laser radar for use, its performance index are as follows:
4,22/,485 two in mouth
The PCI line is supported WINDOWS operating system
Image pick-up card
For realizing the graphic presentation of measurement data, select high-performance, universal image pick-up card for use, its performance index are as follows:
Interface AV
The PCI line is supported WINDOWS operating system
Ccd video camera
Be the auxiliary positioning datum mark, monitor the position thing shape that transfinites, select for use in light weight, volume is little, the visual angle is wide, have 1/2 cun ccd video camera of cross hair, its performance index are as follows:
Effectively (H * V) 768 * 596 for picture
Unit sizes (the 6.45 μ m * 6.45 μ m of H * V)
Speed 25FPS
Synchronous HD:15.733KHz; VD:14.998Hz
Analog and digital signal output 1Vp-p, 75 (BNC or 12 pin Hirose)
The letter ratio is in 50dB
Minimal illumination 0.02Lux (at F1.2)
Gain A GC/MGC
Degree coefficient 1.0
Interface C or CS meet
Working temperature-20～50
Power supply standard DC12V, 280mA, 3.4W
Low no-delay gate 2FLD～16FLD (Optional)
Be as the criterion and determine rail center, position and degree of tilt, carry out error correction.Select for use JTGC-G gauge chi to make.In light weight, the precision height, simple in structure, versatility is good, and is easy and simple to handle, and cost is low.
Power supply box
Select for use 12V/45Ah to safeguard 1 pair of acid electricity, for system provides DC24V electric power safeguard.
Power supply is installed on the lower position of support system, and the stability that can increase system is convenient to personnel's operation.
Well heater 12
For guaranteeing measuring instrument energy operate as normal under low temperature spare, in laser radar and industrial computer, install 4 CQ14 type well heaters respectively additional, its performance index are as follows:
Weight 20g
Illuminating lamp 11
For guaranteeing that when illuminance is not enough measuring instrument energy operate as normal is selected MQ106 type spotlighting lamp 11 for use, its performance index are as follows:
Rate 15W
Luminous flux 300Lm
Protective device
The job safety of personnel and equipment when measuring for assurance; according to railway associated safety construction and protecting standard, the earth protective device that select the yellow fluorescence reflective marker, the yellow ultra-high brightness LED warning light that close requirement for use, prevents to be struck by lightning, prevent the polycarbonate protective cover that rainwater infiltrates.
Knapsack
For ease of the portable of each parts of measuring instrument, put 3 knapsacks, adopt cloth to make, color is a green black colour.
The transfinite the key technical indexes of measuring instrument of railway transportation equipment is as follows:
1, measuring error
The long-pending error that the intrinsic gauging precision of laser radar and support system may be given birth to determines that systematic measurement error is: 0.03m.
2, the activity duration
According to system architecture, 2 people's operations, the support duration of run is not more than 1min, and the The Cloud Terrace built-up time is not more than 1min, and the power pack ETL estimated time of loading is not more than 1min, and support is not more than 2min rise time, determines that system's duration of run is not more than 5min.
Gathering is the process of launching, and its workload and task difficulty determine thus that less than expansion process system is not more than 5min the gathering time.
According to metering system, are not more than system start-up and positioning time beginning 1min, be not more than 1min between the one side timing of laser radar scanning bicycle, stepper motor meter servo time is not more than 1min, determines that thus the system scan time is not more than 3min.
3, self-holding ability
The power-supply system power supply system is 24V, and constant volume is 45Ah; Consumer: laser radar 50W, portable industrial pc 40W, stepper motor 40W, electric rotating machine 40W, illuminating lamp 15W, well heater 150W, its 20W amounts to 355W.Determine the full tie-in amount time 3h of system thus.
4, physical environment spare adaptability
According to the environment spare of the actual use of system, consider each ingredient environmental suitability certainly, and take necessary auxiliary executing, determine that the system works temperature is-20～40; Deposit ultimate temperature and be-40,55; Degree 90; (25); Can be at light rain (rainfall amount≤5mm/h) use under the part; Can be in straight rail interval spread operations such as car, goods yard, industrial sidings.
5, portable
From the operating personnel, be convenient to outside operation consider, should measure the physical dimension and the weight of each parts of reduction in the design, so that portable.According to the single amount standard of GJB113-1986 Chinese PLA, operating personnel are limited to 2 people, and system weight is defined as and is not more than 50kg, and quantity per capita is not more than 25kg.
6, standardization
For improving standardization level, answer the standardization requirement in the design, system constitutes should measure the selection standard parts, makes normalisation coefft be not less than 0.8.
7, reliability
According to back Equipment Reliability requirement, through systems reliability analysis, and take reliability design to execute, system is on average hindered be not less than 240h interval time.
8, physical dimension
According to GB146.1-1983 full gauge railway vehicle gauge of the locomotive, measure needs for satisfying, the maximum rise of working state of system highly should be less than 5.3m apart from rail level; Consider the measurement security in the electric railway interval, operation height should reduce, and should not determine that thus maximum rise of system highly is apart from rail level 5.4m less than 2m apart from tape splicing electricity partial distance.For ease of 2 people's portables, bracing frame draws back length in and is not more than 2m.
The transfinite measuring method of measuring instrument of a kind of railway transportation equipment, at first determine the coordinate basis point, adopt cross hair gauging rule supplementary means, establish the coordinate of laser radar to testee, obliquity sensor, angular transducer, the cross hair gauging rule, data packets for transmission is drawn together the rail distance error, the level height error, The Cloud Terrace level inclination error, the support system error, handle at industrial computer, finish the support system polar coordinates to rectangular coordinates transformation, then data are carried out correcting process, be transformed to desirable level standard straight angle coordinate system, this desirable level standard straight angle coordinate system figure and transportation by railroad standard gauge are compared, thereby accurately judge transfinite position and off-gauge grade, finish measurement off-gauge goods.
Claims (10)
1, the railway transportation equipment measuring instrument that transfinites comprises support system, measuring system and safeguards system, it is characterized in that:
Support system is used to measuring system that stable liftable support platform is provided, support system mainly is made up of tripod, elevating lever, The Cloud Terrace, wherein tripod is installed on the elevating lever, the junction of tripod and elevating lever is provided with locking device, prevents the elevating lever radial-play, and an end of elevating lever connects by being connected base with The Cloud Terrace, the other end is connected with the power supply box of safeguards system, lifter is installed on the elevating lever, is used to regulate the length of elevating lever, there is fixing support rack at the The Cloud Terrace two ends;
Measuring system is used for testee is measured, monitor and the data processing demonstration, output, storage, mainly by laser radar, obliquity sensor, angular transducer, stepper motor, electric rotating machine, industrial computer, data collecting card, image pick-up card, ccd video camera, warning light, servo-drive system, cross hair gauging rule and measurement carriage are formed, wherein measure carriage, warning light is installed on the fixing support rack at The Cloud Terrace two ends, mounted angle sensor on the baseplane of measurement carriage, ccd video camera is fixed in carriage baseplane position of center line, carriage is by the stepper motor main shaft, the angular transducer main shaft connects, laser radar is installed on ccd video camera top, its center is parallel with the The Cloud Terrace center line, horizontal level and ccd video camera are consistent, stepper motor, angular transducer is installed in The Cloud Terrace bracing frame two ends respectively, and keep coaxial, laser radar, obliquity sensor, angular transducer, stepper motor and servo-drive system control signal are transferred to industrial computer by data line and control and handle, and industrial computer is installed on the elevating lever;
Safeguards system is used to system's operate as normal that reliable guarantee is provided, and mainly is made up of power supply box and electrical equipment control, and power supply box is installed on the below of elevating lever, and power lead is drawn out to industrial computer from power supply box, is connected to The Cloud Terrace from industrial computer.
2, the railway transportation equipment according to claim 1 measuring instrument that transfinites, it is characterized in that between described The Cloud Terrace and the elevating lever, between industrial computer and the elevating lever, the measuring system on the The Cloud Terrace all is demountable, assemble in use.
3, the railway transportation equipment according to claim 1 measuring instrument that transfinites, it is characterized in that described safeguards system also comprises attemperating unit and light fixture, all there is the yellow fluorescence reflective marker each lifting pole end, attemperating unit is the silicon nitride ceramics well heater, well heater is installed on respectively on laser radar and the industrial computer, guarantee that it can operate as normal under-20-0 ℃ environment, light fixture is installed on the top of laser radar, guarantees that ccd video camera working at night.
4, the railway transportation equipment according to claim 1 measuring instrument that transfinites, it is characterized in that described tripod comprise main support, assistant support, top hoop cover, bottom sliding sleeve, two 30 " horizontal bubble, locking device and slippage prevention device; wherein be connected by top hoop cover between main support and the elevating lever bottom bar; be connected by the bottom sliding sleeve between assistant support and the elevating lever bottom bar and sliding sleeve can slide in the elevating lever bottom bar: sliding sleeve is descending; when coming downwards to the deployed condition that the tripod footing needs; locking device is locked, the tripod expansion; Sliding sleeve is up, and locking device is opened, and tripod draws in, and main tripod top is provided with 2 30, and " horizontal bubble is convenient to rapid adjustment tripod levelness; The ground connection place is provided with slippage prevention device, and tripod adopts the aluminium alloy compound section bar.
5, the railway transportation equipment according to claim 1 measuring instrument that transfinites, it is characterized in that described elevating lever is multistage altogether, first order bar is fixed, second and third, level Four etc. slides from top to bottom successively, also comprise fixedly termination and lifter, elevating levers at different levels top installs and fixes the termination, fixedly the steel wire on the elevating lever, elevating lever aluminium alloy material is processed into porous structure; Or select magnesium alloy materials for use.
6, the railway transportation equipment according to claim 1 measuring instrument that transfinites, it is characterized in that described elevating lever and The Cloud Terrace adopt the resilient snap mode to be connected, elevating lever adopts ring flange or hang to be connected with power supply box, and industrial computer adopts snap fit to be connected on the elevating lever.
7, the railway transportation equipment according to claim 1 measuring instrument that transfinites, it is characterized in that described The Cloud Terrace comprises The Cloud Terrace fixing support rack and electric rotating machine assembly, wherein fixing support rack is installed in the elevating lever top, the electric rotating machine assembly is installed on the pre-manufactured hole of support, electric rotating machine drives the work that ccd video camera carries out the horizontal location reference point and monitors the position thing shape that transfinites, drive simultaneously the accuracy of angular transducer work calibration when guaranteeing laser radar scanning and data acquisition accuracy.
8, the railway transportation equipment according to claim 1 measuring instrument that transfinites, prevents the polycarbonate protective cover that rainwater infiltrates at the earth protective device that it is characterized in that yellow super brightness warning light is installed on described The Cloud Terrace, prevents to be struck by lightning.
9, according to claim 1 or the 7 described railway transportation equipments measuring instrument that transfinites, it is characterized in that replacing electric rotating machine, and annular smooth support is set at elevating lever and tripod junction with manual rotation, the installation hand-screw is changed hands handle on the elevating lever.
10, the transfinite measuring method of measuring instrument of railway transportation equipment, at first determine the coordinate basis point, adopt cross hair gauging rule supplementary means, establish the coordinate of laser radar to testee, obliquity sensor, angular transducer, the cross hair gauging rule, data packets for transmission is drawn together the rail distance error, the level height error, The Cloud Terrace level inclination error, the support system error, handle at industrial computer, finish the support system polar coordinates to rectangular coordinates transformation, then data are carried out correcting process, be transformed to desirable level standard straight angle coordinate system, this desirable level standard straight angle coordinate system figure and transportation by railroad standard gauge are compared, thereby accurately judge transfinite position and off-gauge grade, finish measurement off-gauge goods.
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| CN200610002096A CN100585343C (en) | 2006-01-25 | 2006-01-25 | Over-limit measuring instrument and method of railway transportation equipment |
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