CN106768238A - For the method for railway freight-car check weighing - Google Patents
For the method for railway freight-car check weighing Download PDFInfo
- Publication number
- CN106768238A CN106768238A CN201710034131.5A CN201710034131A CN106768238A CN 106768238 A CN106768238 A CN 106768238A CN 201710034131 A CN201710034131 A CN 201710034131A CN 106768238 A CN106768238 A CN 106768238A
- Authority
- CN
- China
- Prior art keywords
- sensor
- boxcar
- laser range
- check weighing
- railway freight
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000005303 weighing Methods 0.000 title claims abstract description 38
- 238000000034 method Methods 0.000 title claims abstract description 32
- 238000005259 measurement Methods 0.000 claims abstract description 14
- 238000006073 displacement reaction Methods 0.000 claims abstract description 7
- 230000005483 Hooke's law Effects 0.000 claims description 3
- 238000000205 computational method Methods 0.000 claims description 3
- 230000005484 gravity Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 3
- 230000006641 stabilisation Effects 0.000 claims description 3
- 238000011105 stabilization Methods 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 claims 1
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G19/00—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups
- G01G19/08—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups for incorporation in vehicles
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G3/00—Weighing apparatus characterised by the use of elastically-deformable members, e.g. spring balances
- G01G3/12—Weighing apparatus characterised by the use of elastically-deformable members, e.g. spring balances wherein the weighing element is in the form of a solid body stressed by pressure or tension during weighing
- G01G3/125—Weighing apparatus characterised by the use of elastically-deformable members, e.g. spring balances wherein the weighing element is in the form of a solid body stressed by pressure or tension during weighing wherein the weighing element is an optical member
Abstract
The invention discloses the method for railway freight-car check weighing, with single-unit boxcar as unit, the method for realizing check weighing sets 4 sensor supports and is respectively arranged in the laser range sensor of the sensor support in rail cars bottom；First, 4 laser range sensors were implemented to find range first before boxcar loading, and after boxcar loading, 4 laser range sensors are implemented second and found range；Then, the displacement variable that 4 laser range sensors are found range twice is converted into weight；Finally, calculated through equalising torque, draw the weight of single-unit boxcar loading.Method for railway freight-car check weighing provided by the present invention, it is easy to operate, cheap, can not only conveniently measure the weight of object, and also automaticity is higher, measurement result is accurate, is applicable to the weight measurement requirement of various occasions.
Description
Technical field
The present invention relates to railway freight-car check weighing technical field, and in particular to a kind of method for railway freight-car check weighing.
Background technology
All the time without a kind of not only easy but also accurate method, existing frequently-used measuring method has tactile to railway freight-car check weighing
Two methods of point type transducer valve check weighing and railway weighing apparatus check weighing.
Contact transducer valve check weighing is by setting contact transducer valve above beam or being set in single stage suspension position
Check weighing valve is put, the brake force adjustment of empty and load is realized, contact transducer valve utilizes the indirect check weighing of bogie camber of spring, thus its
Check weighing precision is low, stability is poor, and difficulty of construction is big, and the requirement to use environment is more harsh.
Railway weighing apparatus check weighing is made up of bearing platform, load cell, check weighing display instrument etc., using supporting 4 of bearing platform
Sensor, is converted into truckload electric signal and amplified device amplifies, is then input into data signal by converter transform and counted
Calculation machine, can show various data of truckload, and printable record after treatment；This kind of measuring method receives front and rear compartment shadow
Ring, measured value is unstable, and floor space is big, difficulty of construction is high, be not easy to maintenance.
Existing method for measuring weight can not be measured accurately and measuring apparatus are cumbersome, high cost.
In consideration of it, being necessary to provide a kind of not only easy but also accurate measuring method to solve the above problems.
The content of the invention
It is an object of the invention to provide a kind of method for railway freight-car check weighing, in the above-mentioned prior art problem of solution one
Individual or multiple.
Method for railway freight-car check weighing of the invention, with single-unit boxcar as unit, realizes the side of check weighing
Method, sets 4 sensor supports and is respectively arranged in the laser ranging biography of the sensor support in rail cars bottom
Sensor；First, 4 laser range sensors were implemented to find range first before boxcar loading, after boxcar loading, 4
Laser range sensor is implemented second and is found range；Then, the displacement variable that 4 laser range sensors are found range twice is changed
It is counted as weight；Finally, calculated through equalising torque, draw the weight of single-unit boxcar loading.
Method for railway freight-car check weighing provided by the present invention, it is easy to operate, cheap, can not only be convenient and swift
Measurement object weight, and automaticity is higher, measurement result accurate, and the weight measurement for being applicable to various occasions will
Ask.
In some embodiments, after railway freight-car load-carrying, can cause the pendulum spring of load-bearing on train vehicle frame that machine occurs
Tool deformation, rail upper surface can change relative to the height of laser range sensor, according to Hooke's law, in elastic limit
Interior, the weightening of single-unit boxcar is directly proportional to vertical direction spring deformation amount, and each point laser range sensor captures displacement change
After change amount, by calibrated distance and the inversion cuver of weight, weight amount is obtained, then calculated through equalising torque, finally
Draw the weight of the loading of single-unit boxcar 30.
In some embodiments, single-unit boxcar weightening computational methods, after the zero load of measurement boxcar and load-carrying
Point offset variable hi, measurement point vertical direction coefficient of elasticity ki, measurement point support force Fi=ki*ki, increase goods gravityEquation then can be obtained according to moment equilibrium condition：[Z]=[A] * [F], can calculate loading gross weight and center of gravity of goods position
Put：
Wherein：
In some embodiments, the sensor support is including sensor support bar mobile jib portion, located at the sensing
The laser range sensor fixed part of the main one end of the rod of device support bar and located at the sensor support bar mobile jib portion other end ground
Face vertical calibration mechanism, the ground vertical calibration mechanism is arranged at the edges and corners of the boxcar front and back directly over rail.
In some embodiments, the sensor support bar mobile jib portion is Collapsible structure, and sensor support bar master
The self friction power of bar portion can keep the position stabilization of telescopic section and laser range sensor.
In some embodiments, the laser range sensor is installed on the laser range sensor fixed part,
And the laser head vertical irradiation of the laser range sensor is directly over rail.
In some embodiments, the installation site of the laser range sensor should be unloaded or maximum fair with boxcar
Perhaps rail is defined in the effective range of laser range sensor during load-carrying.
Method for railway freight-car check weighing provided by the present invention, its advantage is：
1st, weight of object data can be quickly obtained, speed is fast, high precision；
2nd, high degree of automation, only need to be to counting once, you can easily draw meter respectively before and after goods train carriage loading
Calculate result；
3rd, only need to be above rail, 4 laser range sensors of front and rear both sides adhesive of boxcar just can be calculated quickly
The loading capacity of railway freight-car, therefore the present invention is with low cost.
Brief description of the drawings
Fig. 1 is the operational flowchart of the method for railway freight-car check weighing of one embodiment of the present invention；
Fig. 2 is the structural representation of the method for railway freight-car check weighing of one embodiment of the present invention；
Fig. 3 is the weight-measuring device structural representation of the method for railway freight-car check weighing of one embodiment of the present invention
Figure.
Specific embodiment
With reference to Figure of description, the present invention is described in more detail.
As shown in Fig. 1 to Fig. 2,
Method for railway freight-car check weighing of the invention, with single-unit boxcar 30 as unit, realizes check weighing
Method, sets 4 sensor supports 10 and is respectively arranged in the Laser Measuring of sensor support 10 in rail cars bottom
Away from sensor 20；Sensor support 10 include sensor support bar mobile jib portion 11, by welding or bolt fix or one into
Type is installed on the laser range sensor fixed part 12 of the one end of sensor support bar mobile jib portion 11 and is installed on sensor support bar
The ground vertical calibration mechanism 13 of the other end of mobile jib portion 11, ground vertical calibration mechanism 13 is fixed on by projecting or attracting mode
The edges and corners of the front and back of boxcar 30 directly over rail 40.
Sensor support bar mobile jib portion 11 is Collapsible structure, and the self friction power in sensor support bar mobile jib portion 11 can
Keep the position stabilization of stretching structure part and laser range sensor 20.
In above-mentioned, the Collapsible structure in sensor support bar mobile jib portion 11 can be the hydraulically extensible side of piston and cylinder body
Formula, or the mechanical retractable mode between some sleeve pipes.
Laser range sensor 20 is bolted or inserting mode is installed on laser range sensor fixed part 12,
And the laser head vertical irradiation of laser range sensor 20 is directly over rail 40, the installation site of laser range sensor 20 should
Rail 40 is defined in the effective range of laser range sensor 20 during by the zero load of boxcar 30 or maximum allowable load, this
Place's design can effectively protect laser range sensor 20 so that laser range sensor 20 is in the situation of work that can normally find range
Under, can also protect laser range sensor 20.
In the present embodiment, sensor support 10 is fitted with respectively in the edges and corners of bottom four of boxcar 30 and is swashed
Ligh-ranging sensor 20, method for measuring weight is as follows：
First, 4 laser range sensors 20 were implemented to find range first before the loading of boxcar 30, in boxcar 30
After loading, 4 laser range sensors 20 are implemented second and are found range；Then, 4 laser range sensors 20 are found range twice
Displacement variable is converted into weight；Finally, calculated through equalising torque, draw the weight of the loading of single-unit boxcar 30.
After railway freight-car load-carrying, can cause the pendulum spring of load-bearing on train vehicle frame that mechanical deformation, the upper table of rail 40 occur
Face can change relative to the height of laser range sensor 20, according to Hooke's law, in elastic limit, single-unit lorry car
The weightening of railway carriage or compartment 30 is directly proportional to vertical direction spring deformation amount, and each point laser range sensor 20 is captured after displacement variable,
By calibrated distance and the inversion cuver of weight, weight amount is obtained, then calculated through equalising torque, finally draw single-unit goods
The weight of the loading of car compartment 30.
Increase weight computational methods for single-unit boxcar 30, the point offset variable hi after the zero load of measurement boxcar 30 and load-carrying,
Measurement point vertical direction coefficient of elasticity ki, measurement point support force Fi=ki* ki, increase goods gravityThen according to power
Square equilibrium condition can obtain equation：[Z]=[A] * [F], can calculate loading gross weight and center of gravity of goods position：
Wherein：
By above-mentioned formula, you can obtain loading gross weight.
Method for railway freight-car check weighing provided by the present invention, its advantage is：
1st, weight of object data can be quickly obtained, speed is fast, high precision；
2nd, high degree of automation, only need to be to counting once, you can easily draw respectively before and after the loading of goods train carriage 30
Result of calculation；
3rd, only need to be in the top of rail 40,4 laser range sensors of front and rear both sides adhesive of boxcar 30 just can be quick
The loading capacity of railway freight-car is calculated, therefore the present invention is with low cost.
Range finding check weighing is carried out using 4 laser range sensors 20, it is also possible in the present embodiment by more laser
Distance measuring sensor 20 is operated.
The above is only preferred embodiment of the invention, it is noted that to those skilled in the art, not
On the premise of departing from the invention design, some similar deformations and improvement can also be made, these also should be regarded as the present invention
Protection domain within.
Claims (7)
1. the method for railway freight-car check weighing is used for, it is characterised in that with single-unit boxcar as unit, the method for realizing check weighing,
4 sensor supports (10) are set in rail cars bottom and the Laser Measuring of the sensor support (10) is respectively arranged in
Away from sensor (20)；First, 4 laser range sensors (20) implemented to find range first before the loading of boxcar 30, in goods
After the loading of car compartment, 4 laser range sensors (20) are implemented second and are found range；Then, by 4 laser range sensors (20)
The displacement variable found range twice is converted into weight；Finally, calculated through equalising torque, draw the weight of single-unit boxcar loading
Amount.
2. the method for railway freight-car check weighing according to claim 1, it is characterised in that after railway freight-car load-carrying, meeting
The pendulum spring of load-bearing on train vehicle frame is caused to give birth to mechanical deformation, height of the rail upper surface relative to laser range sensor (20)
Degree can change, according to Hooke's law, in elastic limit, the weightening of single-unit boxcar and vertical direction spring deformation amount into
Direct ratio, each point laser range sensor (20) is captured after displacement variable, by the conversion of calibrated distance and weight
Curve, obtains weight amount, then is calculated through equalising torque, finally draws the weight of single-unit boxcar loading.
3. the method for railway freight-car check weighing according to claim 6, it is characterised in that increase weight single-unit boxcar 30
Computational methods, point offset variable hi, measurement point vertical direction coefficient of elasticity k after the zero load of measurement boxcar and load-carryingi, measurement
Point support force Fi=ki* ki, increase goods gravityEquation then can be obtained according to moment equilibrium condition：[Z]=[A] *
[F], can calculate loading gross weight and center of gravity of goods position：
Wherein：
4. the method for railway freight-car check weighing according to claim 1, it is characterised in that the sensor support
(10) passed including sensor support bar mobile jib portion (11), the laser ranging located at described sensor support bar mobile jib portion (11) one end
Sensor fixed part (12) and the ground vertical calibration mechanism (13) located at sensor support bar mobile jib portion (11) other end, institute
State the edges and corners of the front and back of boxcar 30 that ground vertical calibration mechanism (13) is arranged at directly over rail.
5. the method for railway freight-car check weighing according to claim 4, it is characterised in that the sensor support bar master
Bar portion (11) is Collapsible structure, and the self friction power of sensor support bar mobile jib portion (11) can keep telescopic section and laser
The position stabilization of distance measuring sensor (20).
6. the method for railway freight-car check weighing according to claim 5, it is characterised in that the laser range sensor
(20) it is installed on the laser range sensor fixed part (12), and the laser head of the laser range sensor (20) is vertical
It is irradiated in directly over rail.
7. the method for railway freight-car check weighing according to claim 6, it is characterised in that the laser range sensor
(20) installation site should be so that boxcar is unloaded or rail having in laser range sensor (20) during maximum allowable load
It is defined in the range of effect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710034131.5A CN106768238A (en) | 2017-01-17 | 2017-01-17 | For the method for railway freight-car check weighing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710034131.5A CN106768238A (en) | 2017-01-17 | 2017-01-17 | For the method for railway freight-car check weighing |
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| Publication Number | Publication Date |
|---|---|
| CN106768238A true CN106768238A (en) | 2017-05-31 |
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ID=58946326
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| CN201710034131.5A Pending CN106768238A (en) | 2017-01-17 | 2017-01-17 | For the method for railway freight-car check weighing |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108896150A (en) * | 2018-04-20 | 2018-11-27 | 中南大学 | A kind of lorries unbalance loading monitoring system and application method based on machine vision |
| CN111220248A (en) * | 2019-12-03 | 2020-06-02 | 恒大智慧科技有限公司 | Weight-based train overload detection method and device and readable storage medium |
| CN111323107A (en) * | 2020-03-17 | 2020-06-23 | 交通运输部公路科学研究所 | Truck overload monitoring method based on laser sensor |
| CN112729510A (en) * | 2020-12-17 | 2021-04-30 | 江铃汽车股份有限公司 | Two-axle automobile load weighing system |
| WO2022061855A1 (en) * | 2020-09-28 | 2022-03-31 | 南京佰诚汇互联科技有限公司 | Internet of things biological data acquisition and conduction device |
-
2017
- 2017-01-17 CN CN201710034131.5A patent/CN106768238A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108896150A (en) * | 2018-04-20 | 2018-11-27 | 中南大学 | A kind of lorries unbalance loading monitoring system and application method based on machine vision |
| CN111220248A (en) * | 2019-12-03 | 2020-06-02 | 恒大智慧科技有限公司 | Weight-based train overload detection method and device and readable storage medium |
| CN111323107A (en) * | 2020-03-17 | 2020-06-23 | 交通运输部公路科学研究所 | Truck overload monitoring method based on laser sensor |
| WO2022061855A1 (en) * | 2020-09-28 | 2022-03-31 | 南京佰诚汇互联科技有限公司 | Internet of things biological data acquisition and conduction device |
| CN112729510A (en) * | 2020-12-17 | 2021-04-30 | 江铃汽车股份有限公司 | Two-axle automobile load weighing system |
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Application publication date: 20170531 |
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