CN203949779U - Railroad sleeper detects data collector - Google Patents
Railroad sleeper detects data collector Download PDFInfo
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- CN203949779U CN203949779U CN201420326666.1U CN201420326666U CN203949779U CN 203949779 U CN203949779 U CN 203949779U CN 201420326666 U CN201420326666 U CN 201420326666U CN 203949779 U CN203949779 U CN 203949779U
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Abstract
The utility model discloses a kind of railroad sleeper and detect data collector, railroad sleeper detects data collector and comprises force application apparatus, pressure transducer (3), displacement transducer (4) and multi-Channels Data Acquisition (5); Pressure transducer (3) carries out respectively sleeper pressure and displacement measurement with displacement transducer (4); Pressure transducer (3), two displacement transducers (4) are connected with multi-Channels Data Acquisition (5) by cable respectively; Multi-Channels Data Acquisition (5) is also connected with data handling system.It can detect the load-displacement of track, its detection speed is fast, precision is high, good stability, mistake are few, manually less, efficiency is high, safe and reliable.
Description
Technical field
The utility model relates to a kind of detection system of railway, and particularly a kind of railroad sleeper detects data collector and system; This system is mainly used in the detection to the sleeper on railway, specifically for detection of sleeper vertical support rigidity, sleeper lateral resistance and sleeper longitudinal resistance in track (Ballast track), using the railway ballast laying quality as to Ballast track or the maintenance of railway ballast and the evaluation of maintenance quality; Data collector wherein carries out data acquisition while being mainly used in the detection of the sleeper on railway.
Background technology
In order to ensure the safety of track (comprise the traffic Ballast track such as railway, city rail, lower with) traffic, often need to detect performances such as the sleeper vertical support rigidity in track, sleeper lateral resistance, sleeper longitudinal resistances, to evaluate whether safety of track.At present, the main way of detection to performance index such as the sleeper vertical support rigidity in track, sleeper lateral resistance, sleeper longitudinal resistances is: adopt lifting jack and dial gauge to detect, data acquisition mainly relies on manually reads the tensimeter of the oil pump being connected with lifting jack and is connected to the dial gauge on crossbeam (being simultaneously subjected to displacement with sleeper): and then manometric reading is converted into lifting jack 11 force value, and dial gauge can read the shift value that sleeper produces because of the pressure of lifting jack; Although also can detect by this method the performance index such as sleeper vertical support rigidity, sleeper lateral resistance, sleeper longitudinal resistance, but it has the following disadvantages: 1. this detection means is mainly taking artificial direct control (relying on people's sense organ) as main, mainly with artificial reading, manual record, be manually calculated as master, detection error is large, artifical influence factor is larger, and manual measurement is difficult to meet the requirement of accuracy of detection, for example, the existing dial gauge deviation of reading of manually carrying out is large, and front and back reading is inconsistent.Particularly poor at testing environment, detect that burden is heavy, process is long in the situation that, easily there is fatigue, absent-mindedness or because makeing mistakes hastily, cause measurement data discreteness large in testing staff; 2. need the special fixing meter reading personnel that are equipped with, personnel amount requires large; 3. potential safety hazard is large, and because of a large amount of manpower of needs, Test Field is in orbital motion railroad section, and testing staff all need work on working line, easily occurs on the line personal safety hidden danger; 4. a large amount of manual measurement operations, have increased error rate greatly, and information transmission between each operating personnel also can be in mistake and delay, thereby may produce the detection error that a large amount of human factors causes; 5. after raw data acquisition completes, also will carry out manual sorting, analysis, calculating to data, work loaded down with trivial details, easily make mistakes, the interior industry processing time is long; 6. checkout equipment heaviness, detection accessory is many, and detection efficiency is low, and management link is many.
Summary of the invention
The purpose of this utility model is to overcome the above-mentioned deficiency of prior art and provide a kind of railroad sleeper to detect data collector and system, this system can be to railway, subway, the vertical support rigidity of the sleeper of the Ballast tracks such as light rail, sleeper lateral resistance, the performances such as sleeper longitudinal resistance detect, it can be measured automatically, automatic data transmission, data automatically process and testing result is exported automatically, its detection speed is fast, precision is high, good stability, people is that the mistake possibility of bringing is few, need artificial few, efficiency is high, can also greatly reduce the generation of security incident, data collector is wherein mainly used in carrying out when sleeper on railway is detected data acquisition.
The technical solution of the utility model is: a kind of railroad sleeper detects data collector, and it comprises force application apparatus, pressure transducer, displacement transducer and multi-Channels Data Acquisition; Force application apparatus is Output pressure device; Pressure transducer is device for pressure measurement; Pressure transducer matches with force application apparatus, can between sleeper or between sleeper and rail, exert pressure, and by pressure transducer measure force application apparatus act between sleeper or sleeper and rail between pressure; Displacement transducer is linear transducer, can measure displacement, and it can measure the displacement of sleeper under force application apparatus effect; Multi-Channels Data Acquisition can convert multiple signals to digital signal, pressure transducer, two displacement transducers are connected with multi-Channels Data Acquisition by cable respectively, the signal that multi-Channels Data Acquisition can be sent pressure transducer and two displacement transducers here converts digital signal to, realizes railroad sleeper is detected to data acquisition.
The further technical scheme of the utility model is: it also comprises force application apparatus link, and force application apparatus link comprises vertical reaction frame; Vertical reaction frame comprises vertical supporting frame and upper hook housing, vertical supporting frame comprises that two are ridden plate, in the middle of it, have the breach that can straddle on rail, two to ride plate parallel and be connected by web joint, ride plate top for two and be provided with the bridge plate of placing force application apparatus, between web joint and bridge plate, be provided with the gap that can allow hook housing pass; Upper hook housing comprises top board and two hook plates, and one end of two hook plates is fixedly connected with top board is dismountable respectively, and the other end of two hook plates is respectively equipped with to the hook of intermediate hook song, and two hook plates are also connected with clamping screw near the position of hook.
The utility model further technical scheme is: described force application apparatus link also comprises horizontal lock pillow frame, laterally lock pillow frame comprises crossbeam and two pull bars, one end of two pull bars is hinged with crossbeam respectively, and the other end of two pull bars is respectively equipped with the railway spike hole that can match with the railway spike on sleeper.
The utility model further technical scheme is: described force application apparatus is fluid pressure type lifting jack or screw mandrel silk braid formula lifting jack.
The utility model also further technical scheme is: described pressure transducer is radial pressure transducer; Displacement transducer is two, is inductance type linear transducer.
The utility model compared with prior art has following features:
The utility model detects data acquisition by railroad sleeper and has realized automatic data collection completely, survey measurements is more accurate, the uncontrollable factor problems such as the mistake of discreteness in artificial reading, record and calculating are solved, stop to greatest extent the impact of human factor in testing process, improved the accuracy and the accuracy that detect data; Speed is faster, efficiency is higher; Many manpowers are saved; Also reduce the generation of security incident.
Below in conjunction with the drawings and specific embodiments, detailed structure of the present utility model is further described.
Brief description of the drawings
Fig. 1 is the structural representation that contains system of the present utility model;
Fig. 2 be contain system of the present utility model carry out sleeper vertical support rigidity detect time use status architecture schematic diagram;
Fig. 3 be contain system of the present utility model carry out sleeper lateral resistance detect time use status architecture schematic diagram;
Fig. 4 be contain system of the present utility model carry out sleeper longitudinal resistance detect time use status architecture schematic diagram;
Fig. 5 is the structural representation of the vertical supporting frame of vertical reaction frame of the present utility model;
Fig. 6 is the left view of Fig. 5;
Fig. 7 is the vertical view of Fig. 5;
Fig. 8 is the structural representation of the upper hook housing of vertical reaction frame of the present utility model;
Fig. 9 is the structural representation of horizontal lock pillow frame of the present utility model.
Embodiment
Embodiment 1
As shown in Figure 1: a kind of railroad sleeper detection system, it comprises that railroad sleeper detects data collector and data handling system; Railroad sleeper detects data collector and comprises force application apparatus, force application apparatus link, pressure transducer 3, displacement transducer 4 and multi-Channels Data Acquisition 5.
Force application apparatus comprises lifting jack 11 and oil pump 12, and lifting jack 11 is fluid pressure type lifting jack, between lifting jack 11 and oil pump 12, is connected by oil pipe, and oil pump 12 can be pressed into pressure oil to lifting jack 11, to promote the piston of lifting jack 11; Certainly, force application apparatus can be also other Output pressure device, and for example screw mandrel silk braid formula lifting jack, as long as the outside output pressure of energy and profile are not that very large Output pressure device all can be used as force application apparatus of the present utility model.
Pressure transducer 3 adopts high precision wheel spoke type pressure transducer, and this sensor adopts spoke type elastic body, the feature such as there is low profile, anti-bias load, precision is high, intensity is good, and it has pressure information output interface; Pressure transducer 3 match with force application apparatus (mutually serial connection), force application apparatus is pressed in pressure transducer 3 card between tested sleeper or between sleeper and rail by link, pressure transducer 3 just can measure force application apparatus act between sleeper or sleeper and rail between pressure; Pressure transducer 3 ranges are 0-50 ton, and sensitivity is 2.0 ± 0.05 mV/V.
Displacement transducer 4 is inductance type linear transducer, it is a kind of linear unit that belongs to metal induction, it mainly comprises emission of magnetic field detection part (being displacement transducer host part) and displaced block, displaced block is generally iron block or permanent magnets, when use, displaced block is arranged on the parts (just referring to sleeper in the utility model) that need to measure displacement, together move with the parts that need to measure displacement, displacement transducer host part comprises the parts such as oscillator, Electromagnetic Launching, information output interface and power interface; After switching on power, sensitive surface (displacement transducer host part) at switch will produce an alternating magnetic field, in the time that metal object (displaced block) approaches this sensitive surface, in metal, produce eddy current and drawn the energy of oscillator, make the linear attenuation of oscillator output amplitude, then determine displacement according to the variation of damping capacity, realize the object of contactless detection ohject displacement, this displacement transducer has fricton-tight contact, installs simple, easy to operate, measurement data is accurate; Displacement transducer 4 technical parameters of choosing require: the linearity 0.05%, measurement range 0-50mm, resolution are higher than 0.01mm; Displacement transducer 4 is two.
Multi-Channels Data Acquisition 5, it can convert multiple signals to digital signal, and sends data handling system to, and for example, the model that can adopt Shun Yuan Science and Technology Ltd. of Shenzhen is the four circuit-switched data Acquisition Instruments of ISO AD 02/04-RS232/485; Pressure transducer 3, two displacement transducers 4 are connected with multi-Channels Data Acquisition 5 by cable respectively, the signal that multi-Channels Data Acquisition (5) can be sent pressure transducer (3) and two displacement transducers (4) here converts digital signal to, realizes the collection that railroad sleeper is detected to data; Multi-Channels Data Acquisition 5 is also connected with data handling system by data communication system, data communication system comprises data transformation interface and transfer assembly, transfer assembly can be data line, internet, free wireless public network or wireless autonomous multihop network, transfer assembly sends the measuring-signal receiving to data transformation interface, and data transformation interface is realized data-switching and sent data handling system to.
Data handling system comprises digital processing unit 61, load-displacement analysis and processing module, data output device and some other external interface, data output device is that display is or/and printer 63, also can be word, the figure output unit (such as surveyor's table etc.) of other form, can use the formal output testing result of data, chart or curve; Described " some other external interface " can be USB interface, wave point etc., carries out exchanges data to facilitate with other client 64, also a kind of mode of composition data exchange; Digital processing unit 61 comprises IO interface, storer and processor, digital processing unit 61 can be the common computer that can carry out digital signal processing, for adapting to field work, at present main directly employing notebook computer because notebook computer is easy to carry, function ratio is more complete, easy to operate, adapt to field operation operation especially; Load-displacement analysis and processing module is placed in digital processing unit 61; Load-displacement analysis and processing module can be software in the form of expression, can be also hardware, considers cost, and it is generally software form; Load-displacement analysis and processing module is the module with following function (also analyzes in the following manner, processing pressure and displacement information):
Load-displacement analysis and processing module, the shift value of the sleeper that two displacement transducers 4 of the force value (being also sleeper payload values) corresponding (synchronization) first each pressure transducer 3 being produced detect is got middle number, as displacement of sleepers value (generally according to the 0.1mm of being often separated by, get a displacement of sleepers value, be exactly that every variation 0.1 mm of displacement of sleepers value just gets a sleeper payload values on the contrary), so just obtain the data of all corresponding sleeper payload values of each displacement of sleepers value to sequence, then just can construct the function of displacement of sleepers value and sleeper payload values by interpolation method or other method, be that displacement of sleepers value and sleeper payload values have formed funtcional relationship (being sleeper load-displacement function) one to one, and can make function relation figure according to sleeper load-displacement function, then according to the disparity items detecting, form respectively different sleeper load-displacement functions, be that load-displacement analysis and processing module can detect according to the sleeper vertical support rigidity of current execution, sleeper lateral resistance detects and sleeper longitudinal resistance test item forms respectively sleeper vertical load displacement function, sleeper lateral load displacement function and pillow longitudinal load displacement function, and according to value or the calculated value (assay value) of the function output key point of different test items, and draw the analysis results such as test result, for example: 1. according to sleeper vertical load displacement function, get sleeper payload values and be respectively 7.5kN, corresponding displacement of sleepers value Y7.5 and Y35(mm when 35kN), be calculated as follows out the support stiffness of sleeper, its computing formula is:
, 2. according to sleeper lateral load displacement function, output modes such as (being stored in digital processing unit 61) outwards output prints, demonstration, copy displacement of sleepers value (sleeper value of lateral displacement) is during as two millimeters, the payload values that sleeper is subject to, 3. according to pillow longitudinal load displacement function, output modes such as (being stored in digital processing unit 61) printings, demonstration, copy displacement of sleepers value (the sleeper length travel value) payload values that sleeper is subject to during as two millimeters, according to the value of these key points or calculated value, load-displacement analysis and processing module can also be compared these values and the sleeper quality standard (for example: " newly-built speed per hour 200km/h kilometer passenger-cargo co Railway Design temporary provisions " iron construction is contained [2003] No. 439 and " railroad track design specifications " TB10082-2005) being stored in digital processing unit 61, sleeper quality is made to a whether standard compliant judgement conclusion (certainly, this judges that conclusion can be also value or calculated value or chart or the curve map from the key point of output, again by manually judging conclusion).
As in Figure 2-4, force application apparatus link comprises vertical reaction frame 21, laterally lock is rested the head on frame 22, cushion block 23, as shown in Fig. 5-8, vertical reaction frame 21 comprises vertical supporting frame 211 and upper hook housing 212, vertical supporting frame 211 comprises that two are ridden plate 2111, in the middle of it, have the breach 2112 that can straddle on rail, two to ride plate 2111 parallel and be more than one by web joint 2113(web joint 2113) be connected, ride plate 2111 tops for two and be provided with the bridge plate 2114 of placing force application apparatus (be generally thousand closely top), between web joint 2113 and bridge plate 2114, be provided with gap 2115(or the hole that can allow hook housing 212 pass), as shown in Figure 8, upper hook housing 212 comprises top board 2121 and two hook plates 2122, one end of two hook plates 2122 is fixedly connected with top board 2121 is dismountable respectively, for example one end of two hook plates 2122 is fixedly connected with by tightening latch (being generally bolt) with top board 2121 respectively, the other end of two hook plates 2122 is respectively equipped with the hook 2123 to intermediate hook song, hook 2123 for hooking nib (as shown in Figure 2) on two of I-shaped rail in the time that sleeper vertical support rigidity detects, two hook plates 2122 are also connected with clamping screw 2124 near the position of hook 2123, it will link up with 2123 when hook on two of I-shaped rail nib at hook 2123 and lock, preventing from linking up with 2123 outwards slips off, as shown in Figure 9, laterally lock pillow frame 22 comprises crossbeam 221 and two pull bars 222, one end of two pull bars 222 respectively and crossbeam 221 is hinged (can conveniently regulate the distance between its other end, to adapt to two distances between sleeper), the other end of two pull bars 222 is respectively equipped with the railway spike hole 223 that can match with the railway spike on sleeper.
Using method of the present utility model and principle of work:
1. while carrying out the detection of sleeper vertical support rigidity, as shown in Fig. 2, first unclamp the railway spike between sleeper 71 and rail 72, make sleeper 71 and rail 72 depart from the state of locking mutually, vertical reaction frame 21 is arranged on the sleeper 71 that need to measure vertical support rigidity, lifting jack 11 and pressure transducer 3 are placed in between the bracing frame 211 and upper hook housing 212 of reaction frame 21 simultaneously, first the bracing frame to reaction frame 21 211 be placed on sleeper 71 and straddle on rail 72, unclamp clamping screw 2124, making the hook 2123 of two hook plates of hook housing 212 hook I-shaped rail 72(can also disconnect two of upper hook housing 21 hook plate 2122 and top board 212 hinged places if desired, jointed shaft 2125 is taken out, hook is well loaded on afterwards), then tighten clamping screw 2124, and lifting jack 11 and pressure transducer 3 are placed between the bridge plate 2114 of bracing frame 211 and the top board 2121 of upper hook housing 212, again two displacement transducers 4 are arranged on the sleeper 71 on rail 72 both sides, starting pressure sensor 3, displacement transducer 4, multi-Channels Data Acquisition 5 and data handling system (are exactly the power supply that starts these parts, allow it is in running order), then use oil pump 12 to lifting jack 11 pump oil, to promote lifting jack 11, lifting jack 11 sleeper 71 can be exerted pressure downwards (its reaction force acts is on the rail 72 being separated with sleeper 71), at this moment the load that pressure transducer 3 is subject to sleeper 71 sends data handling system to by multi-Channels Data Acquisition 5, meanwhile, displacement (settling amount) information exchange that two displacement transducers 4 occur while respectively the sleeper 71 on rail 72 both sides being subject to load is crossed multi-Channels Data Acquisition 5 and is sent data handling system to, the load-displacement analysis and processing module of data handling system will be set up sleeper vertical load displacement function, and calculate the support stiffness of sleeper 71, result (the data of output coherent detection in time (actual measurement and analysis), chart, figure etc.),
2. carry out the detection of sleeper lateral resistance, as shown in Fig. 3, first unclamp the railway spike between two sleepers 71 and rail 72, make sleeper 71 depart from the state (together with not involving) of locking mutually with rail 72, again two railway spike holes 223 of two pull bars 222 laterally locking pillow frame 22 are connected with the railway spike on every sleepers 71 one end respectively, and lifting jack 11 and pressure transducer 3 are placed between the crossbeam 221 and rail 72 of horizontal lock pillow frame 22, can also between pressure transducer 3 and rail 72, pad cushion block 23, again two displacement transducers 4 are arranged on respectively to every sleepers 71 other ends, starting pressure sensor 3, displacement transducer 4, multi-Channels Data Acquisition 5 and data handling system, then use oil pump 12 to lifting jack 11 pump oil, to promote lifting jack 11, lifting jack 11 two sleepers 71 laterally can be exerted pressure (its reaction force acts is on the rail 72 being separated with sleeper 71), at this moment the lateral load that pressure transducer 3 is subject to sleeper 71 sends data handling system to by multi-Channels Data Acquisition 5, meanwhile, displacement (the being transversal displacement amount) information exchange that the lateral load that two displacement transducers 4 are subject to two sleepers 71 respectively occurs is crossed multi-Channels Data Acquisition 5 and is sent data handling system to, the load-displacement analysis and processing module of data handling system will be set up sleeper lateral load displacement function, and while exporting two millimeters of sleeper 71 transversal displacements, the payload values that sleeper 71 is subject to, also export in time the result of other coherent detection (actual measurement and analysis) (with data, chart, figure etc.),
3. carry out sleeper longitudinal resistance detection, as shown in Fig. 4, first unclamp the railway spike between two sleepers 71 and rail 72, make sleeper 71 depart from the state (together with not involving) of locking mutually with rail 72, again lifting jack 11 and pressure transducer 3 are placed between two sleepers 71, if desired, cushion block 23 can padded between sleeper 71 and lifting jack 11 and pressure transducer 3, again two displacement transducers 4 are arranged on respectively to every sleepers 71 and withstand the opposite side of position corresponding to lifting jack 11 and pressure transducer 3, starting pressure sensor 3, displacement transducer 4, multi-Channels Data Acquisition 5 and data handling system (being exactly the power supply that starts these parts), then use oil pump 12 to lifting jack 11 pump oil, to promote lifting jack 11, lifting jack 11 can longitudinally be exerted pressure two sleepers 71, at this moment the longitudinal load that pressure transducer 3 is subject to sleeper 71 sends data handling system to by multi-Channels Data Acquisition 5, meanwhile, displacement (length travel amount) information exchange that two displacement transducers 4 occur while respectively two sleepers 71 being subject to longitudinal load is crossed multi-Channels Data Acquisition 5 and is sent data handling system to, the load-displacement analysis and processing module of data handling system will be set up sleeper 71 longitudinal load displacement functions, and while exporting two millimeters of sleeper 71 length travels, the payload values that sleeper 71 is subject to, also export in time the result of other coherent detection (actual measurement and analysis) (with data, chart, figure etc.).
The utility model is not limited to and is applied in railroad sleeper detection; it can detect for all Ballast tracks; and be not limited to above-mentioned concrete structure, as long as the railroad sleeper that force application apparatus, pressure transducer 3 and displacement transducer 4 connected as one by multi-Channels Data Acquisition 5 and data handling system detects within data collector or system just drop on protection domain of the present utility model.
Claims (6)
1. railroad sleeper detects a data collector, it is characterized in that: it comprises force application apparatus, pressure transducer (3), displacement transducer (4) and multi-Channels Data Acquisition (5); Force application apparatus is Output pressure device; Pressure transducer (3) is device for pressure measurement; Pressure transducer (3) matches with force application apparatus, can between sleeper or between sleeper and rail, exert pressure, and by pressure transducer (3) measure force application apparatus act between sleeper or sleeper and rail between pressure; Displacement transducer (4) is linear transducer, can measure displacement, and it can measure the displacement of sleeper under force application apparatus effect; Multi-Channels Data Acquisition (5) can convert multiple signals to digital signal, pressure transducer (3), two displacement transducers (4) are connected with multi-Channels Data Acquisition (5) by cable respectively, the signal that multi-Channels Data Acquisition (5) can be sent pressure transducer (3) and two displacement transducers (4) here converts digital signal to, realizes railroad sleeper is detected to data acquisition.
2. railroad sleeper according to claim 1 detects data collector, it is characterized in that: it also comprises force application apparatus link, and force application apparatus link comprises vertical reaction frame (21); Vertical reaction frame (21) comprises vertical supporting frame (211) and upper hook housing (212), vertical supporting frame (211) comprises that two are ridden plate (2111), in the middle of it, have the breach (2112) that can straddle on rail, two to ride plate (2111) parallel and be connected by web joint (2113), ride plate (2111) top for two and be provided with the bridge plate (2114) of placing force application apparatus, between web joint (2113) and bridge plate (2114), be provided with the gap (2115) that can allow hook housing (212) pass; Upper hook housing (212) comprises top board (2121) and two hook plates (2122), one end of two hook plates (2122) respectively with dismountable being fixedly connected with of top board (2121), the other end of two hook plates (2122) is respectively equipped with the hook (2123) to intermediate hook song, and two hook plates (2122) are also connected with clamping screw (2124) near the position of hook (2123).
3. railroad sleeper according to claim 2 detects data collector, it is characterized in that: described force application apparatus link also comprises horizontal lock pillow frame (22), laterally lock pillow frame (22) comprises crossbeam (221) and two pull bars (222), one end of two pull bars (222) is hinged with crossbeam (221) respectively, and the other end of two pull bars (222) is respectively equipped with the railway spike hole (223) that can match with the railway spike on sleeper.
4. detect data collector according to the railroad sleeper described in claim 1 or 2 or 3, it is characterized in that: described force application apparatus is fluid pressure type lifting jack (11) or screw mandrel silk braid formula lifting jack.
5. detect data collector according to the railroad sleeper described in claim 1 or 2 or 3, it is characterized in that: described pressure transducer (3) is radial pressure transducer; Displacement transducer (4) is two, is inductance type linear transducer.
6. railroad sleeper according to claim 4 detects data collector, it is characterized in that: described pressure transducer (3) is radial pressure transducer; Displacement transducer (4) is two, is inductance type linear transducer.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420326666.1U CN203949779U (en) | 2014-06-19 | 2014-06-19 | Railroad sleeper detects data collector |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420326666.1U CN203949779U (en) | 2014-06-19 | 2014-06-19 | Railroad sleeper detects data collector |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104048820A (en) * | 2014-06-19 | 2014-09-17 | 湖南高速铁路职业技术学院 | Railroad sleeper detection data acquisition device and system |
| CN109269631A (en) * | 2018-10-15 | 2019-01-25 | 建研地基基础工程有限责任公司 | A kind of synthesis railway monitoring system and track structure based on mems sensor |
| CN109596081A (en) * | 2019-02-03 | 2019-04-09 | 新疆宝力富源减隔震器材有限公司 | The rubber support and its system for monitoring displacement of detectable displacement |
-
2014
- 2014-06-19 CN CN201420326666.1U patent/CN203949779U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104048820A (en) * | 2014-06-19 | 2014-09-17 | 湖南高速铁路职业技术学院 | Railroad sleeper detection data acquisition device and system |
| CN104048820B (en) * | 2014-06-19 | 2017-02-01 | 湖南高速铁路职业技术学院 | Railroad sleeper detection data acquisition device and system |
| CN109269631A (en) * | 2018-10-15 | 2019-01-25 | 建研地基基础工程有限责任公司 | A kind of synthesis railway monitoring system and track structure based on mems sensor |
| CN109596081A (en) * | 2019-02-03 | 2019-04-09 | 新疆宝力富源减隔震器材有限公司 | The rubber support and its system for monitoring displacement of detectable displacement |
| CN109596081B (en) * | 2019-02-03 | 2023-12-26 | 新疆宝力富源减隔震器材有限公司 | Rubber support capable of detecting displacement and displacement monitoring system thereof |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141119 Termination date: 20170619 |