CN104131500B - A kind of prose style free from parallelism ballast track bed compactness inspection method and application apparatus - Google Patents
A kind of prose style free from parallelism ballast track bed compactness inspection method and application apparatus Download PDFInfo
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- CN104131500B CN104131500B CN201410308644.7A CN201410308644A CN104131500B CN 104131500 B CN104131500 B CN 104131500B CN 201410308644 A CN201410308644 A CN 201410308644A CN 104131500 B CN104131500 B CN 104131500B
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Abstract
The invention discloses a kind of prose style free from parallelism ballast track bed compactness inspection method and application apparatus, in particular to a kind of new ballast track bed compactness inspection method and device, judged the compaction rate of prose style free from parallelism railway roadbed by the change of measuring the contact force bottom sleeper between contact plate and ballast aggregate, belong to railway construction ballast track bed detection technique field; The present invention solves the measurement problem of prose style free from parallelism ballast track bed compactness under being used for on-the-spot indoor two kinds of environment.The present invention can realize major function and comprise: realize the compactness detecting railway roadbed when not destroying railway roadbed pattern; Realize the dynamic compactness parameter of ballast track bed to monitor in real time.The attainable beneficial effect of the present invention is as follows: test structure is simple, is convenient to Railway Site and arranges, and easy to operate, human assistance work can be reduced, test process does not restrict by outside environmental elements, raising test job efficiency and accuracy.
Description
Technical field
The present invention relates to a kind of prose style free from parallelism ballast track bed compactness inspection method and application apparatus, to be applicable to after the newly-built wireline inspection of railway prose style free from parallelism railway roadbed and old line tamping operation the occasions such as compactness inspection, for judging the method for railway roadbed compaction rate, belong to railway construction railway roadbed detection technique field.
Background technology
Blast bed compactness refers to that particle arranges mutually, compacted degree.Be defined as: compactness=solid particle volume/bulk solid structure collectivity amasss (%).Blast bed compactness weighs railway roadbed duty and supporting capacity, the major parameter of making compacting quality firm by ramming of inspection road maintainance machinery.Traditional compactness on-site measurement method has sand replacement method and douche.Douche is the basic skills that various countries measure compactness use, and its general principle is as shown in Figure 5; By formula
draw the compactness of railway roadbed
, in formula
,
for the volume of water is as shown in Fig. 5 (3), (5),
for the true volume of W ballast aggregate in Fig. 5 (4).The shortcoming of douche is that point position is restricted, implementation process is complicated, precision is low and is difficult to carry out under driving condition.Other method utilizes gamma-rays to measure blast bed compactness, but due to the existence of radiation source and use, the method cannot be promoted the use of on a large scale.In view of above reason, the measuring method of prose style free from parallelism blast bed compactness is still the difficult problem in current railway construction detection technique field.
Summary of the invention
The invention provides a kind of on-the-spot indoor dual-purpose prose style free from parallelism ballast track bed compactness inspection method, for realizing nondestructive testing prose style free from parallelism ballast track bed compactness, to overcome the low and defect not easily implemented of existing measuring method certainty of measurement.
The inventive method concrete operations are: measure the contact strength value bottom sleeper and between ballast aggregate in 5-10s, the average calculating each contact strength value obtains contact strength average
, calculate contact strength average
with particular measurement value
between difference
, pass through
calculated difference ratio
, get difference ratio
thoroughly deserve
; When
time, judge that the compaction rate of prose style free from parallelism railway roadbed is as closely knit; When
time, judge that the compaction rate of prose style free from parallelism railway roadbed is as generally closely knit; When
time, judge that the compaction rate of prose style free from parallelism railway roadbed is as loose; Wherein said particular measurement value
for newly-built railway roadbed reach dense state after the contact strength value that records.
Described contact strength value refers to the ratio of contact force bottom sleeper and between ballast aggregate and contact area.
Described prose style free from parallelism ballast track bed compactness inspection method can be used as laboratory test blast bed compactness and detects, and also can be used as outdoor on-the-spot rail track blast bed compactness monitoring.
Another object of the present invention is to provide a kind of special measurement sleeper for prose style free from parallelism ballast track bed compactness inspection method, it comprises sleeper 1, mounting bar 2, installation seat plate 3, buffering dottle pin 4, pressure sensor 5, guard shield 6, sensor wire casing 7, wherein 4 mounting bars 2 are fixed on sleeper 1 bottom surface, sensor wire casing 7 mounting bar 2 is equipped with, installation seat plate 3 is contained on sensor wire casing 7, buffering dottle pin 4 is arranged between installation seat plate 3 and guard shield 6, and three blocks of plates are bolted fixing, 4-8 pressure sensor 5 is installed in the bore of installation seat plate 3, and contact with guard shield 6 through buffering dottle pin 4, the signal transmssion line of pressure sensor 5 passes to ballast aggregate outside by sensor wire casing 7.
Described buffering dottle pin 4 is polyurethane buffering dottle pin.
Described special measurement sleeper can be arranged in laboratory testing rig, also can be arranged in on-the-spot actual track simultaneously.
Described special measurement sleeper is at the scene in actual track, and the alternative regular sleeper of its function is so that the compactness of Environmental Monitoring ballast track bed at the scene.
Described pressure sensor 5 is conventional commercial standard pressure transducer, and shock resistance, overload capacity are strong.
The use step of described special measurement sleeper is:
1) on newly-built or existing railway circuit, tested railway ballast region is installed special measurement sleeper and is carried out signal transmission cable layout, concentrated setting cable external interface, and install according to special measurement sleeper and the spaced apart mode of regular sleeper, 3 ~ 5 special measurement sleepers are arranged in each tested region, ensure sensor protection plate 6 and the Contact resting the head on end ballast aggregate; Or repeat above-mentioned installation steps in laboratory test prose style free from parallelism ballast track bed region;
2) newly-built or existing railway circuit passes through and stablizes the processes such as operation, real vehicle trial run, operation, namely implements train cyclic loading loading procedure; Laboratory test prose style free from parallelism ballast track bed carries out closely knit mainly through simulation loop load test; Make prose style free from parallelism ballast track bed reach dense state by above process, test its compaction rate by traditional water irrigation method or gamma-rays method;
3) simultaneously, according to following step 4) ~ 9) content measures the contact strength value bottom regular sleeper or bottom special measurement sleeper between guard shield and ballast aggregate in 5-10s and is averaged and namely obtain particular measurement value
as follow-up witness mark benchmark, usually demarcate once for same railway roadbed, follow-up measurement is carried out or is adjusted according to circuit service condition temporarily after half a year;
4) before measuring, the pressure sensor (or the pressure sensor bottom regular sleeper) in dynamic signal testing instrument and special measurement sleeper is connected by the extraneous interface of signal transmission cable, connect dynamic signal testing instrument and computer by data line, Portable power source provides power supply for dynamic signal testing instrument and computer;
5) carry out uniting and adjustment to sensor, dynamic tester, computer software and hardware, test preparation is ready;
6) measure time working condition, test zone and loading status should with adopt when measuring in step 3) consistent;
7) when measuring, sensor protection plate 6 directly keeps in touch with pillow end ballast aggregate, external load effect passes to pressure sensor 5 through sensor protection plate 6, and polyurethane buffering dottle pin 4 plays and to cushion and the effect slowing down impact ensures that sensor protection plate 6 can touch the work plane of pressure sensor 5 simultaneously;
8) data acquisition is carried out, pressure sensor data measured signal passes to computer through transmission cable, dynamic signal testing instrument, data line, and carry out analyzing the contact strength value extracted and measure between special measurement sleeper bottom sensor guard shield 6 and ballast aggregate in 5-10s by control software design, data acquisition;
9) data analysis, is averaged the contact strength Value Data of obtained 5-10s and calculates acquisition
;
10) according to recording
and obtain before
, calculate by the inventive method
, according to
result judge survey blast bed compactness, follow-uply to repeat in above-mentioned steps 4) ~ 10) step content to be to complete the mensuration of the blast bed compactness of different operational phase.
Standard and blast bed compactness decision rule is built according to existing railway prose style free from parallelism ballast track bed, after prose style free from parallelism ballast track bed reaches dense state after the effect of load CYCLIC LOADING, measure the contact strength value bottom sleeper and between ballast aggregate in 5-10s according to the implementation step of the inventive method and be averaged and namely obtain particular measurement value
, as follow-up reference data of carrying out blast bed compactness measurement.
The present invention has following beneficial effect:
1, this detection method is suitable for blast bed compactness detection and on-the-spot actual track blast bed compactness in laboratory simultaneously and measures use, can monitor in real time blast bed compactness change simultaneously;
2, easy to implement, the specification of this detection method test process, therefore test result affects limited by operating personnel self operant level, thus improves certainty of measurement;
3, test process is easy to learn, and analytic process and discrimination standard are easy to standardization, therefore can reduce human assistance work in test process, thus improves test job efficiency;
4, this measuring method and measurement device do not limit by time, place and extraneous factor of natural environment.
5, special measurement concrete sleeper provided by the invention is simple, and appearance and size and basic function are equal to regular sleeper, but its inner sensor construction arranged can be used for the measurement of prose style free from parallelism ballast track bed compactness;
6, special measurement sleeper is at the scene in actual track, and alternative regular sleeper is arranged in laboratory testing rig, also can be arranged in on-the-spot actual track simultaneously.
Accompanying drawing explanation
Fig. 1 is the section structure schematic diagram of special measurement sleeper of the present invention;
Fig. 2 is that the axle of special measurement sleeper of the present invention surveys exploded perspective view;
Fig. 3 is the local section structural representation of special measurement sleeper of the present invention;
Fig. 4 is special measurement sleeper using state schematic diagram of the present invention;
Fig. 5 is that douche of the present invention measures blast bed compactness principle schematic;
In figure: 1-sleeper; 2-mounting bar; 3-installation seat plate; 4-cushions dottle pin; 5-pressure sensor; 6-sensor protection plate; 7-sensor wire casing; 8-regular sleeper; 9-dynamic signal testing instrument; 10-data line; 11-computer; 12-signal transmssion line; 13-special measurement sleeper; 14-rail.
Detailed description of the invention
Below in conjunction with drawings and Examples, patent of the present invention is described further, but the content of patent of the present invention is not limited to described scope.
embodiment 1:this prose style free from parallelism ballast track bed compactness inspection method is used as laboratory test blast bed compactness and detects, tested object is newly-built prose style free from parallelism ballast track bed in test room, ballast aggregate material is that common lime riedel-treppe joins ballast aggregate, and load compacting through the indoor circulation of 500,000 times after building up, particular content is as follows:
By measuring bottom special measurement sleeper between guard shield and ballast aggregate contact strength value in 5s, contact strength value is collected once every 0.1s, and the average calculating each contact strength value obtains contact strength average
, calculate contact strength average
with particular measurement value
between difference
, pass through
calculated difference ratio
, get difference ratio
thoroughly deserve
; Record result as follows: Measuring Time 5s, particular measurement value
=45MPa, contact strength average
=42.4MPa,
=5.78%, 5%<5.78%<10%, therefore judges that tested railway roadbed is substantially closely knit; Above-mentioned measurement and analytic process 2 hours consuming time altogether.
In the present embodiment for the special measurement concrete sleeper of prose style free from parallelism ballast track bed compactness inspection method as Fig. 1-4, described special measurement sleeper comprises sleeper 1, mounting bar 2, installation seat plate 3, polyurethane buffering dottle pin 4, pressure sensor 5, guard shield 6, sensor wire casing 7, wherein 4 mounting bars 2 are fixed on sleeper 1 bottom surface, sensor wire casing 7 mounting bar 2 is equipped with, installation seat plate 3 is contained on sensor wire casing 7, polyurethane buffering dottle pin 4 is arranged between installation seat plate 3 and guard shield 6, and three blocks of plates are bolted fixing, 4 pressure sensors 5 are installed in the bore of installation seat plate 3, and contact with guard shield 6 through polyurethane buffering dottle pin 4, the signal transmssion line of pressure sensor 5 passes to ballast aggregate outside by sensor wire casing 7.
Described special measurement sleeper is arranged in laboratory testing rig, and pressure sensor 5 model is AK-4B pressure sensor.
In tested railway ballast region, 3 special measurement sleepers are installed, and press special measurement sleeper 13 and regular sleeper 8 interval arrangement is installed; Rail 14 is arranged on above special measurement sleeper and regular sleeper; During measurement, AK-4B pressure sensor 5 is connected with DH5923 dynamic signal testing instrument by signal transmssion line 12, sensor protection plate 6 directly contacts with ballast aggregate, contact force passes to pressure sensor 5 through sensor protection plate 6, and polyurethane buffering dottle pin 4 plays and to cushion and the effect slowing down impact ensures to pass the work plane that guard shield 6 can touch pressure sensor 5 simultaneously; Pressure sensor 5 records signal and passes to computer 11 through signal transmssion line 12, dynamic signal testing instrument 9, data line 10, tests as follows as follows:
1) laboratory test prose style free from parallelism ballast track bed region is installed special measurement sleeper and is carried out signal transmission cable layout, concentrated setting cable external interface, and install according to special measurement sleeper and the spaced apart mode of regular sleeper, 3 special measurement sleepers are arranged in each tested region, ensure sensor protection plate 6 and the Contact resting the head on end ballast aggregate;
2) carry out cyclic loading test to laboratory test prose style free from parallelism ballast track bed, make it reach dense state, it is closely knit for testing its compaction rate by traditional water irrigation method;
3) simultaneously, according to following step 4) ~ 9) content measures the contact strength value bottom special measurement sleeper between guard shield and ballast aggregate in 5s and is averaged and namely obtain particular measurement value
=45MPa is as follow-up witness mark benchmark, and follow-up measurement is spaced apart half a year;
4), before measuring, connected the pressure sensor in dynamic signal testing instrument and special measurement sleeper by the extraneous interface of signal transmission cable, connect dynamic signal testing instrument and computer by data line, pass through; Portable power source provides power supply for dynamic signal testing instrument and computer;
5) carry out uniting and adjustment to sensor, dynamic tester, computer software and hardware, test preparation is ready;
6) measure time working condition, test zone and loading status should with adopt when measuring in step 3) consistent;
7) when measuring, sensor protection plate 6 directly keeps in touch with pillow end ballast aggregate, external load effect passes to pressure sensor 5 through sensor protection plate 6, and polyurethane buffering dottle pin 4 plays and to cushion and the effect slowing down impact ensures that sensor protection plate 6 can touch the work plane of pressure sensor 5 simultaneously;
8) data acquisition is carried out, pressure sensor data measured signal passes to computer through transmission cable, dynamic signal testing instrument, data line, and carry out analyzing the contact strength value extracted and measure between special measurement sleeper bottom sensor guard shield 6 and ballast aggregate in 5-10s by control software design, data acquisition;
9) data analysis, is averaged the contact strength Value Data of obtained 5s and calculates acquisition
=42.4MPa;
10) according to above-mentioned steps 4) ~ 10) acquisition of step content
, according to what record and obtain before
, calculate by the inventive method
=5.78%, 5%<5.78%<10%, according to
result judge survey blast bed compactness as substantially closely knit; Follow-up compactness monitoring is to be half a year measuring period or to adjust according to line condition.
Test result analysis:
Adopt normal irrigation method to detect above-mentioned prose style free from parallelism railway roadbed simultaneously, result railway roadbed is substantially closely knit, douche is measured altogether 8 hours consuming time, the two compare adopt the inventive method test result and traditional water irrigation method basically identical, and the testing time shorten to original 1/4.
embodiment 2:this prose style free from parallelism ballast track bed compactness inspection method, this method is used as outdoor on-the-spot rail track blast bed compactness monitoring, tested object is outdoor on-the-spot rail track ballast track bed, ballast aggregate material is common granite grating railway roadbed, through the train repeated action of nearly a year after building up, per day train 20 row passenger and freight vehicle mixing is current, and particular content is as follows:
By measuring bottom special measurement sleeper between guard shield and ballast aggregate contact strength value in 8s, contact strength value is collected once every 0.1s, and the average calculating each contact strength value obtains contact strength average
, calculate contact strength average
with particular measurement value
between difference
, pass through
calculated difference ratio
, get difference ratio
thoroughly deserve
; Record result as follows: Measuring Time 5s, particular measurement value
=47.5MPa, contact strength average
=44.69MPa,
=5.92%, 5%<5.92%<10%, therefore judges that tested railway roadbed is substantially closely knit; Above-mentioned measurement and analytic process 4 hours consuming time altogether.
Sleeper 1 is comprised for the special measurement sleeper of prose style free from parallelism ballast track bed compactness inspection method in the present embodiment, mounting bar 2, installation seat plate 3, polyurethane buffering dottle pin 4, pressure sensor 5, guard shield 6, sensor wire casing 7, wherein 4 mounting bars 2 are fixed on sleeper 1 bottom surface, sensor wire casing 7 mounting bar 2 is equipped with, installation seat plate 3 is contained on sensor wire casing 7, polyurethane buffering dottle pin 4 is arranged between installation seat plate 3 and guard shield 6, and three blocks of plates are bolted fixing, 4 pressure sensors 5 are installed in the bore of installation seat plate 3, and contact with guard shield 6 through polyurethane buffering dottle pin 4, the signal transmssion line of pressure sensor 5 passes to ballast aggregate outside by sensor wire casing 7.
Described pressure sensor 5 model is DH1003B pressure sensor.
Described special measurement sleeper is at the scene in actual track, and the alternative regular sleeper of its function is so that the compactness of Environmental Monitoring ballast track bed at the scene.
In tested railway ballast region, 5 special measurement sleepers are installed, and press special measurement sleeper and regular sleeper interval arrangement is installed; Rail is arranged on above special measurement sleeper and regular sleeper; During measurement, DH1003B pressure sensor 5 is connected with DH5920N dynamic signal testing instrument by signal transmssion line 12, sensor protection plate 6 directly contacts with ballast aggregate, contact force passes to pressure sensor 5 through sensor protection plate 6, and polyurethane buffering dottle pin 4 plays and to cushion and the effect slowing down impact ensures to pass the work plane that guard shield 6 can touch pressure sensor 5 simultaneously; Pressure sensor 5 records signal and passes to computer 11 through signal transmssion line 12, dynamic signal testing instrument 9, data line 10; Test as follows as follows:
1) on outdoor newly built railway circuit, tested railway ballast region is installed special measurement sleeper and is carried out signal transmission cable layout, concentrated setting cable external interface, and install according to special measurement sleeper and the spaced apart mode of regular sleeper, 5 special measurement sleepers are arranged in each tested region, ensure sensor protection plate 6 and the Contact resting the head on end ballast aggregate;
2) real vehicle operation is carried out to newly built railway circuit, namely implement train cyclic loading loading procedure, make prose style free from parallelism ballast track bed reach dense state by above process; It is closely knit for testing its compaction rate by traditional water irrigation method;
3) simultaneously, according to following step 4) ~ 9) content measures the contact strength value bottom special measurement sleeper between guard shield and ballast aggregate in 8s and is averaged and namely obtain particular measurement value
=47.5MPa is as follow-up witness mark benchmark, and follow-up measurement is spaced apart half a year;
4), before measuring, connected the pressure sensor in dynamic signal testing instrument and special measurement sleeper by the extraneous interface of signal transmission cable, connect dynamic signal testing instrument and computer by data line, pass through; Portable power source provides power supply for dynamic signal testing instrument and computer;
5) carry out uniting and adjustment to sensor, dynamic tester, computer software and hardware, test preparation is ready;
6) measure time working condition, test zone and loading status should with adopt when measuring in step 3) consistent;
7) when measuring, sensor protection plate 6 directly keeps in touch with pillow end ballast aggregate, external load effect passes to pressure sensor 5 through sensor protection plate 6, and polyurethane buffering dottle pin 4 plays and to cushion and the effect slowing down impact ensures that sensor protection plate 6 can touch the work plane of pressure sensor 5 simultaneously;
8) data acquisition is carried out, pressure sensor data measured signal passes to computer through transmission cable, dynamic signal testing instrument, data line, and carry out analyzing the contact strength value extracted and measure between special measurement sleeper bottom sensor guard shield 6 and ballast aggregate in 5-10s by control software design, data acquisition;
9) data analysis, is averaged the contact strength Value Data of obtained 8s and calculates acquisition
=44.69MPa;
10) according to above-mentioned steps 4) ~ 10) acquisition of step content
, according to recording
and obtain before
, calculate by the inventive method
=5.92%, 5%<5.92%<10%, according to
result judge survey blast bed compactness as substantially closely knit; Follow-up compactness monitoring is to be half a year measuring period or to adjust according to line condition.
Test result analysis:
Adopt normal irrigation method to detect above-mentioned prose style free from parallelism railway roadbed, result railway roadbed is substantially closely knit, and douche measures 15 hours consuming time altogether simultaneously.The two compare adopt the inventive method test result and traditional water irrigation method basically identical, and the testing time shorten to original nearly 1/4.
Embodiment 3: this prose style free from parallelism ballast track bed compactness inspection method, this method is used as laboratory test blast bed compactness and detects, tested object is newly-built prose style free from parallelism ballast track bed in test room, ballast aggregate material is that common granite riedel-treppe joins ballast aggregate, load compacting through the indoor circulation of 1,000,000 times after building up, concrete grammar is as follows:
First placement force sensor below regular sleeper; pressure sensor and circuit thereof must through protections; by to measure bottom sleeper and between ballast aggregate in 10s contact strength value, contact strength value is collected once every 0.1s, and the average calculating each contact strength value obtains contact strength average
, calculate contact strength average
with particular measurement value
between difference
, pass through
calculated difference ratio
, get difference ratio
thoroughly deserve
; Record result as follows: Measuring Time 10s, particular measurement value
=45MPa, contact strength average
=43.6MPa,
=3.11%, 3.11%<5%, therefore judges that tested railway roadbed is closely knit, above-mentioned measurement and analytic process 2 hours consuming time altogether.
Adopt normal irrigation method to detect above-mentioned prose style free from parallelism railway roadbed, result railway roadbed is substantially closely knit, and douche measures 8 hours consuming time altogether simultaneously.The two compare adopt the inventive method test result and traditional water irrigation method basically identical, and the testing time shorten to original 1/4.
Described pressure sensor 5 model is AK-3B pressure sensor.
Measure and carry out as follows:
1) laboratory test prose style free from parallelism ballast track bed region setting pressure sensor carry out signal transmission cable layout, concentrated setting cable external interface, eachly testedly interregionally bottom it, arrange pressure sensor every selection 4 regular sleepers, ensure the Contact of working sensor face (through protection) and pillow end ballast aggregate;
2) carry out cyclic loading test to laboratory test prose style free from parallelism ballast track bed, make it reach dense state, it is closely knit for testing its compaction rate by traditional water irrigation method;
3) simultaneously, according to following step 4) ~ 9) content measures the contact strength value between regular sleeper base pressure working sensor face (through protection) and ballast aggregate in 8s and is averaged and namely obtain particular measurement value
=45MPa is as follow-up witness mark benchmark, and follow-up measurement is spaced apart half a year;
4), before measuring, connect dynamic signal testing instrument and pressure sensor by the extraneous interface of signal transmission cable, connect dynamic signal testing instrument and computer by data line; Portable power source provides power supply for dynamic signal testing instrument and computer;
5) carry out uniting and adjustment to sensor, dynamic tester, computer software and hardware, test preparation is ready;
6) measure time working condition, test zone and loading status should with adopt when measuring in step 3) consistent;
7) when measuring, pressure sensor work plane (through protection) directly keeps in touch with pillow end ballast aggregate, and external load effect passes to pressure sensor through pressure sensor work plane (through protection);
8) carry out data acquisition, pressure sensor data measured signal passes to computer, data acquisition through transmission cable, dynamic signal testing instrument, data line;
9) data analysis, is averaged the contact strength Value Data of obtained 10s and calculates acquisition
=43.6MPa;
10) according to above-mentioned steps 4) ~ 10) acquisition of step content
, according to recording
and obtain before
, calculate by the inventive method
=3.11%, 3.11%<5%, according to
result judge survey blast bed compactness as closely knit; Follow-up compactness monitoring is to be half a year measuring period or to adjust according to line condition.
Claims (3)
1. a prose style free from parallelism ballast track bed compactness inspection method, is characterized in that: measure at least two contact strength values bottom sleeper and between ballast aggregate in 5-10s, the average calculating each contact strength value obtains contact strength average
, calculate contact strength average
with particular measurement value
between difference
, pass through
calculated difference ratio
, get difference ratio
thoroughly deserve
; When
time, judge that the compaction rate of prose style free from parallelism railway roadbed is as closely knit; When
time, judge that the compaction rate of prose style free from parallelism railway roadbed is as generally closely knit; When
time, judge that the compaction rate of prose style free from parallelism railway roadbed is as loose; Wherein said particular measurement value
for newly-built railway roadbed reach dense state after the contact strength value that records.
2. for the special measurement sleeper of prose style free from parallelism ballast track bed compactness inspection method described in claim 1, it is characterized in that: comprise sleeper (1), mounting bar (2), installation seat plate (3), buffering dottle pin (4), pressure sensor (5), guard shield (6), sensor wire casing (7), article 4, mounting bar (2) is fixed on sleeper (1) bottom surface, sensor wire casing (7) mounting bar (2) is equipped with, installation seat plate (3) is contained on sensor wire casing (7), buffering dottle pin (4) is arranged between installation seat plate (3) and guard shield (6), and three blocks of plates are bolted fixing, 4-8 pressure sensor (5) is installed in the bore of installation seat plate (3), and contact with guard shield (6) through buffering dottle pin (4), the signal transmssion line of pressure sensor (5) passes to ballast aggregate outside by sensor wire casing (7).
3. the special measurement sleeper of prose style free from parallelism ballast track bed compactness inspection method according to claim 2, is characterized in that: buffering dottle pin (4) is polyurethane buffering dottle pin.
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| AT346888B (en) * | 1975-01-28 | 1978-11-27 | Plasser Bahnbaumasch Franz | PROCEDURE AND EQUIPMENT FOR DETERMINING THE CONDITION OR THE DENSITY OF COARSE-GRAINED GOOD, IN PARTICULAR A TRACK BALL BED |
| CN1042992A (en) * | 1988-11-29 | 1990-06-13 | 西安公路学院 | The vehicle-mounted test method and apparatus of compactness |
| CN103149346A (en) * | 2012-12-25 | 2013-06-12 | 中国神华能源股份有限公司 | Detection and analysis system of tunnel concrete and detection and analysis method thereof |
| CN103255755A (en) * | 2013-04-28 | 2013-08-21 | 河海大学 | Lossless method for fast evaluating filling compaction quality of soil building stones in real time and evaluating device thereof |
| CN103306183A (en) * | 2013-06-10 | 2013-09-18 | 中山市拓维电子科技有限公司 | Road grinding compactness monitor |
| CN103643704A (en) * | 2013-12-21 | 2014-03-19 | 佛山市新城开发建设有限公司 | Detector for detecting compactness of sand base of immersed tube tunnel |
-
2014
- 2014-07-01 CN CN201410308644.7A patent/CN104131500B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT346888B (en) * | 1975-01-28 | 1978-11-27 | Plasser Bahnbaumasch Franz | PROCEDURE AND EQUIPMENT FOR DETERMINING THE CONDITION OR THE DENSITY OF COARSE-GRAINED GOOD, IN PARTICULAR A TRACK BALL BED |
| CN1042992A (en) * | 1988-11-29 | 1990-06-13 | 西安公路学院 | The vehicle-mounted test method and apparatus of compactness |
| CN103149346A (en) * | 2012-12-25 | 2013-06-12 | 中国神华能源股份有限公司 | Detection and analysis system of tunnel concrete and detection and analysis method thereof |
| CN103255755A (en) * | 2013-04-28 | 2013-08-21 | 河海大学 | Lossless method for fast evaluating filling compaction quality of soil building stones in real time and evaluating device thereof |
| CN103306183A (en) * | 2013-06-10 | 2013-09-18 | 中山市拓维电子科技有限公司 | Road grinding compactness monitor |
| CN103643704A (en) * | 2013-12-21 | 2014-03-19 | 佛山市新城开发建设有限公司 | Detector for detecting compactness of sand base of immersed tube tunnel |
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|---|---|
| CN104131500A (en) | 2014-11-05 |
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