CN203977242U - A kind of track settlement measurement device based on angle measurement - Google Patents
A kind of track settlement measurement device based on angle measurement Download PDFInfo
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- CN203977242U CN203977242U CN201420292355.8U CN201420292355U CN203977242U CN 203977242 U CN203977242 U CN 203977242U CN 201420292355 U CN201420292355 U CN 201420292355U CN 203977242 U CN203977242 U CN 203977242U
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Abstract
The utility model discloses a kind of track settlement measurement device based on angle measurement, comprise setting measurement car in orbit, the vehicle frame of measuring car is provided with power set, wheel position sensing and measuring point encoder, angel measuring instrument and sampling and computing unit; Described power set are used for driving wheel; Whether wheel position sensing and measuring point encoder arrive point position and measuring point coding for check measurement car; Angel measuring instrument is for the inclination angle of check measurement car; Sampling and computing unit are for the output signal of wheel position sensing and measuring point encoder and angel measuring instrument is sampled, and executing data calculates to obtain the sedimentation value of each final measuring point; Integrated sampling unit and for carrying out a plurality of adders and a plurality of multiplier of numerical computations in sampling and computing unit.This track settlement measurement installation cost based on angle measurement is low, easy to implement, certainty of measurement is high.
Description
Technical field
The utility model relates to a kind of track settlement measurement device based on angle measurement.
Background technology
In prior art, track bed settlement monitoring has several different methods, the youngster who arranges according to measuring point what distribute different, mainly can be divided into single-point sedimentation, delaminating deposition, cross section sedimentation and vertical section sedimentation etc., according to method for measurement, can be divided into again the methods such as settlement plate method, electromagnetic type settlement gauge, native displacement meter, inclinometer pipe method, static level method, hydraulic pressure settlement gauge, fiber-optic grating sensor and satellite remote sensing (cost is high and precision is limited).For existing measuring point arrangement and method for measurement, measuring point arrangement requirement is high, workload greatly, especially maintenance workload is large during long term monitoring, during measurement, data acquisition is subject to that external environment influence is large and data collection task amount is also larger.Therefore, be necessary to design a kind of brand-new track settlement measurement device.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of track settlement measurement device based on angle measurement, and this track settlement measurement installation cost based on angle measurement is low, easy to implement, certainty of measurement is high.
The technical solution of utility model is as follows:
A track settlement measurement device based on angle measurement, comprises setting measurement car in orbit, and the vehicle frame of measuring car is provided with power set, wheel position sensing and measuring point encoder, angel measuring instrument and sampling and computing unit; Described power set are used for driving wheel; Whether wheel position sensing and measuring point encoder arrive point position and measuring point coding for check measurement car; Angel measuring instrument is for the inclination angle of check measurement car; Sampling and computing unit are for the output signal of wheel position sensing and measuring point encoder and angel measuring instrument is sampled, and executing data calculates to obtain the sedimentation value of each final measuring point; Integrated sampling unit and for carrying out a plurality of adders and a plurality of multiplier of numerical computations in sampling and computing unit.
Described L is less than vehicle frame wheel shaft wheelbase [wheelbase refers to the distance between the wheel shaft of front and back].
Described power set adopt NTC290 h type engine h, and NTC290 h type engine h and RT-11509C type gearbox are in transmission connection, and wheel position signal obtains from the mileage signal of RT-11509C type gearbox output, and angel measuring instrument adopts LE-60 type inclinator.
L is less than 6m.
Beneficial effect:
Track settlement measurement device based on angle measurement of the present utility model is a kind of completely newly and cleverly scheme;
The utility model has utilized this prerequisite of existing track and basis cleverly, and a kind of scheme of uniqueness creatively proposed based on this basis, although its implementation itself is simple, but effect is but extremely obvious, comprise that cost low (only needing to increase vehicle frame and a little measureing equipment and calculate platform), (can realize full automatic data acquisition and calculating, and computational process being simple) easy to implement and precision are high.
The utility model only needs a reference mark and several mileages to check point (when monitoring range is longer), without burying other measuring point underground, during measurement by the measuring equipment in the utility model along tested track travel by completing measurement data acquisition, tested counting along the line do not limit, and measured point along the line spacing is not limit.
Embankment, bridge and tunnel subsidence that the utility model can be applied to track (especially runing track as high ferro, standard gauge, subway, subway etc.) measure, also embankment, bridge and the tunnel subsidence measurement of having laid a railway track can built, easy to operate, little on the current impact of circuit.Maximum advantage is not need to destroy embankment (roadbed) to bury settlement observation point underground, is not subject to the impact of meteorological condition, and accuracy in measurement is high, and metric data collection is fast etc.
Accompanying drawing explanation
Fig. 1 is the structural representation of the track settlement measurement device based on angle measurement;
Fig. 2 is measuring point on track and the schematic diagram at angle of slope.
Label declaration: 1-track, 2-wheel, 3-wheel position sensing and measuring point encoder, 4-angel measuring instrument, 5-sampling and computing unit, 6-output unit, 7-power set.
The specific embodiment
Below with reference to the drawings and specific embodiments, the utility model is described in further details:
As Fig. 1, a kind of track settlement measurement device based on angle measurement, comprises setting measurement car in orbit, and the vehicle frame of measuring car is provided with power set, wheel position sensing and measuring point encoder, angel measuring instrument and sampling and computing unit; Described power set are used for driving wheel; Whether wheel position sensing and measuring point encoder arrive point position and measuring point coding for check measurement car; Angel measuring instrument is for the inclination angle of check measurement car; Sampling and computing unit are for the output signal of wheel position sensing and measuring point encoder and angel measuring instrument is sampled, and executing data calculates to obtain the sedimentation value of each final measuring point; Integrated sampling unit and for carrying out a plurality of adders and a plurality of multiplier of numerical computations in sampling and computing unit.
Described L is less than vehicle frame wheel shaft wheelbase [wheelbase refers to the distance between the wheel shaft of front and back].
Described power set adopt NTC290 h type engine h, and NTC290 h type engine h and RT-11509C type gearbox are in transmission connection, and wheel position signal obtains from the mileage signal of RT-11509C type gearbox output, and angel measuring instrument adopts LE-60 type inclinator.
With reference to Fig. 2, track settlement measurement method corresponding to this utility model is as follows: a measurement car is set in orbit, and the vehicle frame of measuring car is provided with power set, wheel position sensing and measuring point encoder, angel measuring instrument and sampling and computing unit; Described power set are used for driving wheel; Whether wheel position sensing and measuring point encoder arrive point position and measuring point coding for check measurement car; Angel measuring instrument is for the inclination angle of check measurement car; Sampling and computing unit are for the output signal of wheel position sensing and measuring point encoder and angel measuring instrument is sampled, and executing data calculates to obtain the sedimentation value of each final measuring point;
Equidistantly setting in orbit a plurality of measuring points, is respectively A
0, A
1, A
2, A
3..., be called fixed starting-point (basic point or elevation reference point), the first point, second point, thirdly, The spacing of adjacent measuring point is L;
Described measurement comprises the following steps:
Step 1: obtain the angle initial value of each measuring point and calculate the original height value of each measuring point:
Measure car from fixed starting-point, run to successively the first point, second point, thirdly ..., until terminal; And the angle that records respectively each measuring point place measurement car inclination is angle initial value: α
0t0, α
1t0, α
2t0, α
3t0,
If fixed starting-point is H
a0,the original height value of each measuring point is:
δ
Alt0＝H
A0+Ltgα
0t0
δ
A2t0＝δ
A1t0+Ltgα
1t0
δ
A3t0＝δ
A2t0+Ltgα
2t0
……
δ
Ait0＝δ
(Ai-1)t0+Ltgα
(i-1)t0
……；
Wherein subscript t0 represents first data; δ
ait0the initial displacement value that represents i measuring point, i=1,2,3,
Step 2: obtain this angle of each measuring point and calculate this height value of each measuring point;
Measure car again from initial point, run to successively the first point, second point, thirdly ..., and record respectively each measuring point place and measure the angle that car tilts: α
0t1, α
1t1, α
2t1, α
3t1,
If fixed starting-point is H
a0, this height value of each measuring point is:
δ
A1t1＝H
A0+Ltgα
0t1
δ
A2t1＝δ
A1t1+Ltgα
1t1
δ
A2t1＝δ
A2t1+Ltgα
2t1
……
δ
Ait1＝δ
(Ai-1)t1+Ltgα
(i-1)t1
……；
Wherein subscript t1 represents this data; δ
ait1this height value that represents i measuring point, i=1,2,3,
Step 3: the sedimentation value that calculates each measuring point;
△A
1t1＝δ
A1t1-δ
A1t0
△A
2t1＝δ
A2t1-δ
A2t0
△A
3t1＝δ
A3t1-δ
A3t0
……
△A
it1＝δ
Ait1-δ
Ait0
……；
△ A
it1it is this sedimentation value [being called again actual sedimentation value] of i measuring point; I=1,2,3 ...
Explanation to the numerical computations part relating in the utility model:
Addition and subtraction that computing unit is carried out complete by adder, multiplication completes by multiplier, the tangent value of angle obtains by table look-up (i.e. reading out data from memory), therefore, this numerical computations does not relate to any software, adopt ripe hardware module to complete completely, computational speed is fast.
Output unit in Fig. 1 is for showing and printing related data.
Described L is less than vehicle frame wheel shaft wheelbase [wheelbase refers to the distance between the wheel shaft of front and back].
When L < 3000mm vehicle frame translational speed is controlled at below 40Km/h, when 3000mm≤L≤6000mm, vehicle frame translational speed is controlled at below 75Km/h.
Described power set adopt NTC290 h type engine h, and NTC290 h type engine h and RT-11509C type gearbox are in transmission connection, and wheel position signal obtains from the mileage signal of RT-11509C type gearbox output, and angel measuring instrument adopts LE-60 type inclinator.[being the double wheel position sensor of doing of RT-11509C type gearbox]
Embodiment 1:
In this example, vehicle frame adopts cross-compound arrangement, wheelbase 6000mm, and gauge 1435mm, wheel footpath 840mm, joins comings (Cummins) NTC290 motor and richness and strangles (Fuller) RT-11509C gearbox, speed of travel 50-100Km/h.In the mileage signal that wheel position is exported by gearbox, obtain the distance L that the angle (ω) by vehicle wheel rotation or all numbers can accurate Calculation move.Angular measurement adopts space flight Great Wall, the Shaanxi LE-60 of observing and controlling Co., Ltd high-precision inclinometer.Measurement category ± 15 degree of E-60, resolution ratio ± 0.001 degree, output speed 1-5 time/second.
During operation, first to set one end be fixed starting-point and read initial angle, under power set are controlled along at the uniform velocity mobile vehicle frame to the first point of track (each vehicle frame displacement identical and be no more than vehicle frame wheel shaft wheelbase) and read the angle of first, so analogize second point, thirdly to maximal end point, and calculate as initial value; While again operating (now, except starting point maintains static, all the other measuring point hypothesis have sedimentation to occur), still with one end fixed starting-point, start and read angle, mobile vehicle frame to the one point union is read the angle of first, so analogize second point, thirdly to maximal end point, and calculate and make this measuring value; The reading that front and back are twice calculates respectively and same point numerical value is compared and can calculate the relative deflection of track.
If 1, L=2 π D=2* π * 840=5278mm; Monitoring range 30Km, can be about 5684 by measuring point number.
Initial value (initial elevation):
δ
A1t0＝H
A0+Ltgα
0t0＝H
A0+5278*tg3＝H
A0+276.61mm(α
0t0＝3°)
δ
A2t0＝δ
A1t0+Ltgα
1t0＝H
A0+276.61+5278*tg2.998＝H
A0+553.03mm(α
1t0＝2.998°)
δ
A3t0＝δ
A2t0+Ltgα
2t0＝H
A0+553.03+5278*tg2.995＝H
A0+829.18mm(α
2t0＝2.995°)
……
Height value for the first time:
δ
A1t1＝H
A0+Ltgα
0t1＝H
A0+5278*tg2.998＝H
A0+276.42mm(α
0t1＝2.998°)
δ
A2t1＝δ
A1t1+Ltgα
1t1＝H
A0+276.42+5278*tg2.998＝H
A0+552.84mm(α
1t1＝2.998°)
δ
A3t1＝δ
A2t1+Ltgα
2t1＝H
A0+552.84+5278*tg2.994＝H
A0+828.89mm(α
2t1＝2.994°)
……
For the first time measurement (settling amount ,+for rising ,-for sinking)
△A
1t1＝δ
A1t1-δ
A1t0＝H
A0+276.42-H
A0+276.61＝-0.19mm
△A
2t1＝δ
A2t1-δ
A2t0＝H
A0+552.84-H
A0+553.03＝-0.19mm
△A
3t1＝δ
A3t1-δ
A3t0＝H
A0+828.89-H
A0+829.18＝-0.29mm
……
Height value for the second time:
δ
A1t2＝H
A0+Ltgα
0t2＝H
A0+5278*tg2.997＝H
A0+276.33mm(α
0t2＝2.997°)
δ
A2t2＝δ
A1t2+Ltgα
1t2＝H
A0+276.33+5278*tg2.996＝H
A0+552.57mm(α
1t2＝2.996°)
δ
A3t2＝δ
A2t2+Ltgα
2t2＝H
A0+552.57+5278*tg2.993＝H
A0+828.53mm(α
2t2＝2.993°)
……
For the second time measurement (settling amount ,+for rising ,-for sinking)
△A
1t2＝δ
A1t2-δ
A1t1＝H
A0+276.33-H
A0+276.42＝-0.09mm
△A
2t2＝δ
A2t2-δ
A2t1＝H
A0+552.57-H
A0+552.84＝-0.27mm
△A
3t2＝δ
A3t2-δ
A3t1＝H
A0+828.53-H
A0+828.89＝-0.36mm
……
If 2, L=π D ω/360=π * 840*818.5/360=6000mm; Monitoring range 30Km, can be about 5000 by measuring point number.
Initial value (initial elevation):
δ
A1t0＝H
A0+Ltgα
0t0＝H
A0+6000*tg1＝H
A0+104.73mm(α
0t0＝1°)
δ
A2t0＝δ
A1t0+Ltgα
1t0＝H
A0+104.73+6000*tg0.998＝H
A0+209.25mm(α
1t0＝0.998°)
δ
A3t0＝δ
A2t0+Ltgα
2t0＝H
A0+209.25+6000*tg0.996＝H
A0+313.56mm(α
2t0＝0.996°)
……
Height value for the first time:
δ
A1t1＝H
A0+Ltgα
0t1＝H
A0+6000*tg0.997＝H
A0+104.42mm(α
0t1＝0.997°)
δ
A2t1＝δ
A1t1+Ltgα
1t1＝H
A0+104.42+6000*tg0.996＝H
A0+208.73mm(α
1t1＝0.996°)
δ
A3t1＝δ
A2t1+Ltgα
2t1＝H
A0+208.73+6000*tg0.994＝H
A0+312.83mm(α
2t1＝0.994°)
……
For the first time measurement (settling amount ,+for rising ,-for sinking)
＝δ
A1t1-δ
A1t0＝H
A0+104.42-H
A0+104.73＝-0.31mm
△A
2t1＝δ
A2t1-δ
A2t0＝H
A0+208.73-H
A0+209.25＝-0.52mm
△A
3t1＝δ
A3t1-δ
A3t0＝H
A0+312.83-H
A0+313.56＝-0.73mm
……
Height value for the second time:
δ
A1t2＝H
A0+Ltgα
0t2＝H
A0+6000*tg0.997＝H
A0+104.42mm(α
0t2＝0.997°)
δ
A2t2＝δ
A1t2+Ltgα
1t2＝H
A0+104.42+6000*tg0.995＝H
A0+208.63mm(α
1t2＝0.995°)
δ
A3t2＝δ
A2t2+Ltgα
2t2＝H
A0+208.63+6000*tg0.993＝H
A0+312.63mm(α
2t2＝0.993°)
……
For the second time measurement (settling amount ,+for rising ,-for sinking)
△A
1t2＝δ
A1t2-δ
A1t1＝H
A0+104.42-H
A0+104.42＝0.00mm
△A
2t2＝δ
A2t2-δ
A2t1＝H
A0+208.63-H
A0+208.73＝-0.10mm
△A
3t2＝δ
A3t2-δ
A3t1＝H
A0+312.73-H
A0+312.83＝-0.10mm
……
If △
aifor A
iin the accumulative total sedimentation (total settlement) of t0～tn, and 0 < n,
△
Ai(t0,tn)＝△A
it0+△A
it1+△A
it2+…+…+△A
itn-2+△A
itn-1+△A
itn
If △
aifor A
iin the accumulative total sedimentation of ti～tj, and 0 < i < j < n,
△
Ai(ti,tj)＝△A
iti+1+△A
iti+2+△A
iti+3+…+…+△A
itj-2+△A
itj-1+△A
itj
If data acquisition time is spaced apart n minute, average settling rate per minute is
V
△Ai＝(△A
itn-△A
itn-1)/n
If data acquisition time is spaced apart n hour, average settling rate hourly is
V
△Ai＝(△A
itn-△A
itn-1)/n
If data acquisition time is spaced apart n days, the settling rate of average every day is
V
△Ai＝(△A
itn-△A
itn-1)/n
……
According to above-mentioned measuring and calculation, when L < 3000mm, resolution ratio is 0.005mm; 3000mm≤L≤6000 o'clock, resolution ratio is 0.01mm.Precision is higher than existing method for measurement.
During data acquisition, when L < 3000mm vehicle frame translational speed should be controlled at below 40Km/h, when 3000≤L≤6000mm, vehicle frame translational speed should be controlled at below 75Km/h.
Claims (2)
1. the track settlement measurement device based on angle measurement, is characterized in that, comprises setting measurement car in orbit, and the vehicle frame of measuring car is provided with power set, wheel position sensing and measuring point encoder, angel measuring instrument and sampling and computing unit; Described power set are used for driving wheel; Whether wheel position sensing and measuring point encoder arrive point position and measuring point coding for check measurement car; Angel measuring instrument is for the inclination angle of check measurement car; Sampling and computing unit are for the output signal of wheel position sensing and measuring point encoder and angel measuring instrument is sampled, and executing data calculates to obtain the sedimentation value of each final measuring point; Integrated sampling unit and for carrying out a plurality of adders and a plurality of multiplier of numerical computations in sampling and computing unit.
2. the track settlement measurement device based on angle measurement according to claim 1, it is characterized in that, described power set adopt NTC290 h type engine h, NTC290 h type engine h and RT-11509C type gearbox are in transmission connection, wheel position signal obtains from the mileage signal of RT-11509C type gearbox output, and angel measuring instrument adopts LE-60 type inclinator.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105507099A (en) * | 2015-12-23 | 2016-04-20 | 李社军 | Static railway track assembly overall dimension and damage optical detection system |
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2014
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105507099A (en) * | 2015-12-23 | 2016-04-20 | 李社军 | Static railway track assembly overall dimension and damage optical detection system |
| CN105507099B (en) * | 2015-12-23 | 2017-06-16 | 李社军 | A kind of static railroad track component overall size and disease Systems for optical inspection |
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