CN203929515U - A kind of special measurement sleeper - Google Patents

A kind of special measurement sleeper Download PDF

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Publication number
CN203929515U
CN203929515U CN201420359541.9U CN201420359541U CN203929515U CN 203929515 U CN203929515 U CN 203929515U CN 201420359541 U CN201420359541 U CN 201420359541U CN 203929515 U CN203929515 U CN 203929515U
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China
Prior art keywords
sleeper
pressure transducer
fender
seat plate
wire casing
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Expired - Fee Related
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CN201420359541.9U
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Chinese (zh)
Inventor
王学军
迟毅林
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Kunming University of Science and Technology
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Kunming University of Science and Technology
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Abstract

The utility model relates to a kind of special measurement sleeper, it comprises sleeper, mounting bar, installation seat plate, polyurethane buffering dottle pin, pressure transducer, fender, sensor wire casing, wherein mounting bar is fixed on sleeper bottom surface, sensor wire casing is housed on mounting bar, installation seat plate is contained on sensor wire casing, polyurethane buffering dottle pin 4 is arranged between installation seat plate and fender, and three blocks of plates are bolted fixing, 4-8 pressure transducer is installed in the seat hole of installation seat plate, and contact with fender through polyurethane buffering dottle pin, the signal transmssion line of pressure transducer passes to ballast aggregate outside by sensor wire casing, the special measurement concrete sleeper that the utility model provides is simple, and physical dimension and basic function are equal to regular sleeper, but its inner sensor construction arranging can be realized the packing that detects prose style free from parallelism ballast track bed in the situation of not destroying railway roadbed pattern, realizing the dynamic packing parameter of ballast track bed monitors in real time, also can be used for the monitoring of the vertical load of track.

Description

A kind of special measurement sleeper
Technical field
The utility model relates to a kind of special measurement sleeper, is 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 packing detection, for judging the method for railway roadbed compaction rate, belongs to railway construction railway roadbed detection technique field.
Background technology
Prose style free from parallelism ballast track bed must reach certain compaction rate can realize its function.Therefore the different phase using at railway prose style free from parallelism railway roadbed need be measured the functional status of differentiating railway roadbed to blast bed compactness, and the poor railway roadbed of packing needs to be serviced to reply its perfect condition.Traditional packing assay method has douche and gamma-rays method.The shortcoming of douche be that point position is restricted, implementation process is complicated, precision is low and driving condition under be difficult to carry out, and the shortcoming of gamma-rays method is cannot promote the use of on a large scale because of its existence due to radiation source.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 utility model discloses a kind of special measurement sleeper that integrates regular sleeper and measurement function, to solve the demand of measuring for blast bed compactness in engineering and test, this special measurement sleeper is absolute construction thing, alternative existing regular sleeper is realized its basic function, and can be used as measuring in indoor or on-the-spot track circuit the special purpose device of blast bed compactness, reusable.
The utility model special measurement sleeper comprises sleeper 1, mounting bar 2, installation seat plate 3, polyurethane buffering dottle pin 4, pressure transducer 5, fender 6, sensor wire casing 7, wherein 4 mounting bars 2 are fixed on sleeper 1 bottom surface, sensor wire casing 7 is housed on mounting bar 2, installation seat plate 3 is contained on sensor wire casing 7, polyurethane buffering dottle pin 4 is arranged between installation seat plate 3 and fender 6, and three blocks of plates are bolted fixing, 4-8 pressure transducer 5 is installed in the seat hole of installation seat plate 3, and contact with fender 6 through polyurethane buffering dottle pin 4, the signal transmssion line of pressure transducer 5 passes to ballast aggregate outside by sensor wire casing 7.
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 packing of environmental monitoring ballast track bed at the scene.
Described pressure transducer 5 is conventional commercially available standard pressure transducer, and shock resistance, overload capacity are strong.
Use this device can carry out sound state contact strength, sound state between ballast aggregate and sleeper and contact force measurement, monitoring that train axle is heavy, below being measured as example explanation it use step with contact strength.
The step that described special measurement sleeper is measured contact strength 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 to contact between sensor protection plate 6 and pillow end ballast aggregate; Or repeat above-mentioned installation steps in shop experiment prose style free from parallelism ballast track bed region;
2) simultaneously, according to following step 3) ~ 8) content measures between special measurement sleeper bottom fender and ballast aggregate the contact strength value in 5-10s and is averaged and obtain particular measurement value as follow-up witness mark benchmark, conventionally demarcate once for same railway roadbed;
3) before measuring, connect the pressure transducer (or pressure transducer of regular sleeper bottom) in dynamic signal testing instrument and special measurement sleeper by the extraneous interface of signal transmission cable, connect dynamic signal testing instrument and computing machine by data line, Portable power source provides power supply for dynamic signal testing instrument and computing machine;
4) sensor, dynamic tester, computer software and hardware are carried out to uniting and adjustment, test preliminary work is ready;
5) what while measurement, working condition, test zone and loading status should adopt when measuring in step 3) is consistent;
6) while measurement, sensor protection plate 6 directly keeps in touch with pillow end ballast aggregate, external load effect passes to pressure transducer 5 through sensor protection plate 6, and polyurethane buffering dottle pin 4 plays the effect cushioning and slow down impact and ensures that sensor protection plate 6 can touch the workplace of pressure transducer 5 simultaneously;
7) carry out data acquisition, pressure transducer data measured signal passes to computing machine through transmission cable, dynamic signal testing instrument, data line, and analyze the contact strength value in 5-10s between extraction measurement special measurement sleeper bottom sensor fender 6 and ballast aggregate, data acquisition by controlling software;
8) data analysis, is averaged and calculates acquisition the contact strength Value Data of obtained 5-10s ;
9) according to recording and obtain before compare, judge the blast bed compactness of surveying, follow-uply repeat in above-mentioned steps 4) ~ 9) step content to be to complete the mensuration of different operational phases.
Build standard and blast bed compactness decision rule according to existing railway prose style free from parallelism ballast track bed, prose style free from parallelism ballast track bed reaches after dense state after the effect of load CYCLIC LOADING, measures between sleeper bottom and ballast aggregate the contact strength value in 5-10s and be averaged to obtain particular measurement value according to the implementation step of the utility model method , as follow-up reference data of carrying out blast bed compactness measurement.
The utlity model has following beneficial effect:
1, the special measurement concrete sleeper that the utility model provides is simple, and physical dimension and basic function are equal to regular sleeper, but its inner sensor construction arranging can be used for the measurement of prose style free from parallelism ballast track bed packing, also can be used for the monitoring of the vertical load of track;
2, 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;
3, adopt this device to test process easy to learn, analytic process and discrimination standard are easy to standardization, therefore in test process, can reduce human assistance work, thereby improve test job efficiency;
4, this measurement device is not limited by time, place and extraneous factor of natural environment;
5, test structure is simple, be convenient to Railway Site and arrange, and easy to operate, can reduce human assistance work, test process is not restricted by external environment factor, improves test job efficiency and accuracy.
Brief description of the drawings
Fig. 1 is the section structure schematic diagram of the utility model special measurement sleeper;
Fig. 2 is that the axle of the utility model special measurement sleeper is surveyed exploded perspective view;
Fig. 3 is the local section structural representation of the utility model special measurement sleeper;
Fig. 4 is that the utility model special measurement sleeper uses view;
In figure: 1-sleeper; 2-mounting bar; 3-installation seat plate; 4-polyurethane buffering dottle pin; 5-pressure transducer; 6-sensor protection plate; 7-sensor wire casing; 8-regular sleeper; 9-dynamic signal testing instrument; 10-data line; 11-computing machine; 12-signal transmssion line; 13-special measurement sleeper; 14-rail.
Embodiment
Below in conjunction with drawings and Examples, the utility model patent is described further, but the content of the utility model patent is not limited to described scope.
embodiment 1:in the present embodiment, special measurement concrete sleeper is as Fig. 1-4, described special measurement sleeper comprises sleeper 1, mounting bar 2, installation seat plate 3, polyurethane buffering dottle pin 4, pressure transducer 5, fender 6, sensor wire casing 7, wherein 4 mounting bars 2 are fixed on sleeper 1 bottom surface, sensor wire casing 7 is housed on mounting bar 2, installation seat plate 3 is contained on sensor wire casing 7, polyurethane buffering dottle pin 4 is arranged between installation seat plate 3 and fender 6, and three blocks of plates are bolted fixing, 4 pressure transducers 5 are installed in the seat hole of installation seat plate 3, and contact with fender 6 through polyurethane buffering dottle pin 4, the signal transmssion line of pressure transducer 5 passes to ballast aggregate outside by sensor wire casing 7.
Described special measurement sleeper is arranged in laboratory testing rig, and pressure transducer 5 models are AK-4B pressure transducer.
This device detects as shop experiment blast bed compactness, and tested object is newly-built prose style free from parallelism ballast track bed in testing laboratory, and ballast aggregate material is that common lime riedel-treppe is joined ballast aggregate, and the indoor circulation through 500,000 times after building up loads compacting, and particular content is as follows:
3 special measurement sleepers are installed in tested railway ballast region, and are pressed special measurement sleeper 13 and install with regular sleeper 8 interval arrangements; Rail is arranged on special measurement sleeper and regular sleeper top; When measurement, AK-4B pressure transducer 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 transducer 5 through sensor protection plate 6, and polyurethane buffering dottle pin 4 plays the effect cushioning and slow down impact and ensure to pass fender 6 simultaneously and can touch the workplace of pressure transducer 5; Pressure transducer 5 records signal and passes to computing machine 11 through signal transmssion line 12, dynamic signal testing instrument 9, data line 10, tests as follows as follows:
1) shop experiment 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 to contact between sensor protection plate 6 and pillow end ballast aggregate;
2) shop experiment prose style free from parallelism ballast track bed is carried out to cyclic loading test, make it reach dense state, it is closely knit testing its compaction rate by traditional water irrigation method;
3) simultaneously, according to following step 4) ~ 9) content measures between special measurement sleeper bottom fender and ballast aggregate the contact strength value in 5s and is averaged and obtain particular measurement value =45MPa is as follow-up witness mark benchmark, follow-up measurement interval half a year;
4) before measuring, connect the pressure transducer in dynamic signal testing instrument and special measurement sleeper by the extraneous interface of signal transmission cable, connect dynamic signal testing instrument and computing machine by data line, pass through; Portable power source provides power supply for dynamic signal testing instrument and computing machine;
5) sensor, dynamic tester, computer software and hardware are carried out to uniting and adjustment, test preliminary work is ready;
6) what while measurement, working condition, test zone and loading status should adopt when measuring in step 3) is consistent;
7) while measurement, sensor protection plate 6 directly keeps in touch with pillow end ballast aggregate, external load effect passes to pressure transducer 5 through sensor protection plate 6, and polyurethane buffering dottle pin 4 plays the effect cushioning and slow down impact and ensures that sensor protection plate 6 can touch the workplace of pressure transducer 5 simultaneously;
8) carry out data acquisition, pressure transducer data measured signal passes to computing machine through transmission cable, dynamic signal testing instrument, data line, and analyze the contact strength value in 5-10s between extraction measurement special measurement sleeper bottom sensor fender 6 and ballast aggregate, data acquisition by controlling software;
9) data analysis, is averaged and calculates acquisition the contact strength Value Data of obtained 5s =42.4 MPa;
10) according to above-mentioned steps 4) ~ 10) acquisition of step content , according to recording and obtain before , calculate by the inventive method =5.78%, 5%<5.78%<10%, according to result judges that survey blast bed compactness is as substantially closely knit; Follow-up packing is monitored taking half a year as a measuring period or is adjusted according to circuit situation;
Criterion is: 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 reaches the contact strength value recording after dense state.
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 utility model test result and traditional water irrigation method basically identical, and the test duration shorten to original 1/4.
embodiment 2:in the present embodiment, special measurement sleeper comprises sleeper 1, mounting bar 2, installation seat plate 3, polyurethane buffering dottle pin 4, pressure transducer 5, fender 6, sensor wire casing 7, wherein 4 mounting bars 2 are fixed on sleeper 1 bottom surface, sensor wire casing 7 is housed on mounting bar 2, installation seat plate 3 is contained on sensor wire casing 7, polyurethane buffering dottle pin 4 is arranged between installation seat plate 3 and fender 6, and three blocks of plates are bolted fixing, 4 pressure transducers 5 are installed in the seat hole of installation seat plate 3, and contact with fender 6 through polyurethane buffering dottle pin 4, the signal transmssion line of pressure transducer 5 passes to ballast aggregate outside by sensor wire casing 7.
Described pressure transducer 5 models are DH1003B pressure transducer.
Described special measurement sleeper is at the scene in actual track, and the alternative regular sleeper of its function is so that the packing of environmental monitoring ballast track bed at the scene.
This device is 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 grouan grating railway roadbed, after building up through the train repeated action of nearly a year, per day train 20 row passenger and freight vehicles mix current, and particular content is as follows:
5 special measurement sleepers are installed in tested railway ballast region, and are pressed special measurement sleeper 13 and install with regular sleeper 8 interval arrangements; Rail is arranged on special measurement sleeper and regular sleeper top; When measurement, DH1003B pressure transducer 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 transducer 5 through sensor protection plate 6, and polyurethane buffering dottle pin 4 plays the effect cushioning and slow down impact and ensure to pass fender 6 simultaneously and can touch the workplace of pressure transducer 5; Pressure transducer 5 records signal and passes to computing machine 11 through signal transmssion line 12, dynamic signal testing instrument 9, data line 10; Test as follows as follows:
5 special measurement sleepers are installed in tested railway ballast region, and are pressed special measurement sleeper and the installation of regular sleeper interval arrangement; Rail is arranged on special measurement sleeper and regular sleeper top; When measurement, DH1003B pressure transducer 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 transducer 5 through sensor protection plate 6, and polyurethane buffering dottle pin 4 plays the effect cushioning and slow down impact and ensure to pass fender 6 simultaneously and can touch the workplace of pressure transducer 5; Pressure transducer 5 records signal and passes to computing machine 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 to contact between sensor protection plate 6 and pillow end ballast aggregate;
2) newly built railway circuit is carried out to real vehicle operation, 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 testing its compaction rate by traditional water irrigation method;
3) simultaneously, according to following step 4) ~ 9) content measures between special measurement sleeper bottom fender and ballast aggregate the contact strength value in 8s and is averaged and obtain particular measurement value =47.5MPa is as follow-up witness mark benchmark, follow-up measurement interval half a year;
4) before measuring, connect the pressure transducer in dynamic signal testing instrument and special measurement sleeper by the extraneous interface of signal transmission cable, connect dynamic signal testing instrument and computing machine by data line, pass through; Portable power source provides power supply for dynamic signal testing instrument and computing machine;
5) sensor, dynamic tester, computer software and hardware are carried out to uniting and adjustment, test preliminary work is ready;
6) what while measurement, working condition, test zone and loading status should adopt when measuring in step 3) is consistent;
7) while measurement, sensor protection plate 6 directly keeps in touch with pillow end ballast aggregate, external load effect passes to pressure transducer 5 through sensor protection plate 6, and polyurethane buffering dottle pin 4 plays the effect cushioning and slow down impact and ensures that sensor protection plate 6 can touch the workplace of pressure transducer 5 simultaneously;
8) carry out data acquisition, pressure transducer data measured signal passes to computing machine through transmission cable, dynamic signal testing instrument, data line, and analyze the contact strength value in 5-10s between extraction measurement special measurement sleeper bottom sensor fender 6 and ballast aggregate, data acquisition by controlling software;
9) data analysis, is averaged and calculates acquisition the contact strength Value Data of obtained 8s =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 judges that survey blast bed compactness is as substantially closely knit; Follow-up packing is monitored taking half a year as a measuring period or is adjusted according to circuit situation.
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 simultaneously, and douche is measured 15 hours consuming time altogether.The two compare adopt the inventive method test result and traditional water irrigation method basically identical, and the test duration shorten to original nearly 1/4.

Claims (2)

1. a special measurement sleeper, it is characterized in that: comprise sleeper (1), mounting bar (2), installation seat plate (3), polyurethane buffering dottle pin (4), pressure transducer (5), fender (6), sensor wire casing (7), article 4, mounting bar (2) is fixed on sleeper (1) bottom surface, sensor wire casing (7) is housed on mounting bar (2), installation seat plate (3) is contained on sensor wire casing (7), polyurethane buffering dottle pin (4) is arranged between installation seat plate (3) and fender (6), 4-8 pressure transducer (5) is installed in the seat hole of installation seat plate (3), and contact with fender (6) through polyurethane buffering dottle pin (4), the signal transmssion line of pressure transducer (5) passes to ballast aggregate outside by sensor wire casing (7).
2. special measurement sleeper according to claim 1, is characterized in that: installation seat plate (3), polyurethane buffering dottle pin (4), fender (6) are bolted fixing.
CN201420359541.9U 2014-07-01 2014-07-01 A kind of special measurement sleeper Expired - Fee Related CN203929515U (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106965830A (en) * 2017-04-17 2017-07-21 上海工程技术大学 A kind of multifunctional intellectual information resilient sleeper-bearing

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106965830A (en) * 2017-04-17 2017-07-21 上海工程技术大学 A kind of multifunctional intellectual information resilient sleeper-bearing

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20141105

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