CN205449692U - Loading coal petrography infrasound waste water gathers and analyzed experiment system - Google Patents
Loading coal petrography infrasound waste water gathers and analyzed experiment system Download PDFInfo
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- CN205449692U CN205449692U CN201620230355.4U CN201620230355U CN205449692U CN 205449692 U CN205449692 U CN 205449692U CN 201620230355 U CN201620230355 U CN 201620230355U CN 205449692 U CN205449692 U CN 205449692U
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- infrasonic wave
- coal petrography
- infrasound
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- petrography sample
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Abstract
The utility model discloses a loading coal petrography infrasound waste water gathers and analyzed experiment system, an experimental system that especially relates to collection of loading coal petrography infrasound waste water and analysis, coal petrography time acoustic signals's real -time collection under the tensile condition of mainly used research uniaxial compression and splitting, the stress and strain condition that simultaneously can test the coal petrography sample, it mainly includes the entrant sound window, the infrasound detection instrument, infrasound detection instrument external power supply, the shield cover, digital network transmission gathers the appearance, infrasound acquisition and analysis system, the mechanics sensor, the axial strain sensor, horizontal strain sensor, coal petrography sample and splitting base, it utilizes this experimental system can conveniently gather under the tensile condition of uniaxial compression and splitting the stress and strain state that corresponds in coal petrography appearance infrasound waste water and the coal sample loading procedure. The utility model has the characteristics of novel structure, the simple operation can also reduce external disturbance etc. Simultaneously effectively, the experimental system that belongs to a practicality.
Description
Technical field
This utility model relates to a kind of experimental system, particularly relates to loaded coal rock infrasonic wave response signals collecting and a kind of experimental system of analysis, is mainly used in collection and the analysis of research coal petrography infrasonic wave signal under the conditions of uniaxial compression and Brazilian tension.
Background technology
In view of the coal and rock related in the engineering fields such as mine, water conservancy, building, traffic intensity under load effect and stability problem etc., this experimental system is monitoring coal petrography failure by rupture unstability and research coal petrography Failure Mechanism provides important means, under carrying out uniaxial compression and Brazilian tension effect the cracking of coal petrography crackle, extend and have highly important theory significance and engineering practical value in terms of the Evolution research that is mutually communicated.
Infrasonic wave be frequency 0.01～20Hz sound wave, it is difficult to because frequency is low be attenuated, can transmit far distance in atmosphere, therefore, research worker is as the important indicator of the disaster alarms such as earthquake in nature, volcanic eruption, snowslide, typhoon, mud-rock flow in the world.And infrasonic wave unique character makes infrasonic wave signal produce decay even distort regardless of infrasonic wave probe and the coupling condition of rock material and the existence of microfissure when making detection.
There is problems in that 1 currently for the experimental facilities of coal petrography infrasonic wave parameter testing, noise (being caused by switch gate and construction etc.) and the flowing of artificial air are likely to result in monitoring present in coal petrography sample loading procedure infrasound signals interference；2, in sample loading procedure, ess-strain and same time infrasound signals accurate corresponding need perfect；3, the mensuration of state acoustic signals next time to coal petrography sample shear-type load is lacked.For problem above, the infrasonic wave experimental system of overall process under the conditions of uniaxial loading and Brazilian tension of can monitoring in real time designing a kind of convenient and efficient has certain necessary.
Summary of the invention
This utility model is for existing technical problem, it is provided that a kind of loaded coal rock infrasonic wave response signals collecting and analysis experimental system, it is therefore an objective to coal petrography monitored by infrasonic wave and analysis under the conditions of uniaxial compression and Brazilian tension, intend to solve the problem that prior art exists.
nullFor achieving the above object，This utility model provides following technical scheme: a kind of loaded coal rock infrasonic wave responds signals collecting and analyzes experimental system，It includes sound transmitting window、Infrasonic wave is popped one's head in、Infrasonic wave detector external power supply、Radome、Digitalized network transmission Acquisition Instrument、Infrasonic wave acquisition analysis system、Mechanics sensor、Axial strain sensor、Transverse strain sensor、Coal petrography sample and splitting base,It is characterized in that,It is provided with sound transmitting window on described radome，Described infrasonic wave probe it is provided with in described radome，Described infrasonic wave detector external power supply is connected with infrasonic wave probe，Described infrasonic wave probe is connected with described digitalized network transmission Acquisition Instrument，Described digitalized network transmission Acquisition Instrument is connected with described infrasonic wave acquisition analysis system，Sound transmitting window alignment loaded coal rock sample on described radome is arranged，Axial strain sensor and transverse strain sensor it is provided with on coal petrography sample，Described coal petrography sample is arranged on described splitting base，By the power control pattern of digital hydraulic machine, coal petrography sample is loaded.
Further, as preferably, infrasonic wave detector power interface and data collecting instrument interface it is provided with on described infrasonic wave detector, described infrasonic wave detector is connected with infrasonic wave detector external power supply by infrasonic wave detector power interface, and described infrasonic wave detector is connected with described digitalized network transmission Acquisition Instrument by data collecting instrument interface.
Further, as preferably, described splitting base includes that cleaving base upper lower burrs fixes axle, upper dish and lower wall, fix axle by described splitting base upper lower burrs between described upper dish and lower wall to connect, described coal petrography sample is arranged between described upper dish and lower wall, so that coal petrography sample is loaded, and guarantee the stable lower wall middle at splitting base of cylindrical coal petrography sample.
Further, as preferably, described digital hydraulic machine is Tong Bu with infrasonic wave detector to be opened, and coal petrography sample ess-strain during stand under load deformation fracture responds with infrasonic wave signal and carries out synchronize monitoring continuously.
Further, as preferably, described radome is loose porous structure.
Compared with prior art, the beneficial effects of the utility model are:
(1) signal to noise ratio of infrasonic wave signal during this utility model can improve loaded coal rock sample deformation rupture process；
(2) this utility model ensure that the synchronization realization monitored stand under load coal sample ess-strain in real time with infrasonic wave
(3) this utility model ensure that sample stability of experiment condition when by shear-type load.
This utility model has novel structure, obtains data the most accurate, and simple operation the most also can effectively reduce the features such as external interference.
Accompanying drawing explanation
Fig. 1 is this utility model experimental system schematic diagram；
Fig. 2 is splitting base schematic diagram of the present utility model；
In the drawings: 1, sound transmitting window；2, infrasonic wave detector；3, infrasonic wave detector external power supply；4, infrasonic wave detector power interface；5, radome；6, data collecting instrument interface；7, digitalized network transmission Acquisition Instrument；8, infrasonic wave acquisition analysis system；9, mechanics sensor；10, axial strain sensor；11, transverse strain sensor；12, coal petrography sample；13, splitting base upper lower burrs fixes axle；14, upper dish；15, lower wall.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is clearly and completely described, it is clear that described embodiment is only a part of embodiment of this utility model rather than whole embodiments.Based on the embodiment in this utility model, the every other embodiment that those of ordinary skill in the art are obtained under not making creative work premise, broadly fall into the scope of this utility model protection.
nullRefer to Fig. 1-2，This utility model provides a kind of technical scheme: a kind of loaded coal rock infrasonic wave responds signals collecting and analyzes experimental system，It includes sound transmitting window 1、Infrasonic wave probe 2、Infrasonic wave detector external power supply 3、Radome 5、Digitalized network transmission Acquisition Instrument 7、Infrasonic wave acquisition analysis system 8、Mechanics sensor 9、Axial strain sensor 10、Transverse strain sensor 11、Coal petrography sample 12 and splitting base,It is characterized in that,It is provided with sound transmitting window 1 on described radome 5，Described infrasonic wave probe 2 it is provided with in described radome 5，Described infrasonic wave detector external power supply 3 is connected with infrasonic wave probe 2，Described infrasonic wave probe 2 is connected with described digitalized network transmission Acquisition Instrument 7，Described digitalized network transmission Acquisition Instrument 7 is connected with described infrasonic wave acquisition analysis system 8，Sound transmitting window 1 on described radome 5 is directed at loaded coal rock sample and arranges，Axial strain sensor 10 and transverse strain sensor 11 it is provided with on coal petrography sample，Described coal petrography sample is arranged on described splitting base，By the power control pattern of digital hydraulic machine, coal petrography sample is loaded.
In the present embodiment, infrasonic wave detector power interface 4 and data collecting instrument interface 6 it is provided with on described infrasonic wave detector 2, described infrasonic wave detector 2 is connected with infrasonic wave detector external power supply by infrasonic wave detector power interface 4, and described infrasonic wave detector 2 is connected with described digitalized network transmission Acquisition Instrument by data collecting instrument interface 6.
As shown in Figure 2, described splitting base includes that cleaving base upper lower burrs fixes axle 13, upper dish 14 and lower wall 15, fix axle 13 by described splitting base upper lower burrs between described upper dish 14 and lower wall 15 to connect, described coal petrography sample is arranged between described upper dish 14 and lower wall 15, so that coal petrography sample is loaded, and guarantee the stable lower wall middle at splitting base of cylindrical coal petrography sample.When testing, described digital hydraulic machine is Tong Bu with infrasonic wave detector to be opened, and coal petrography sample ess-strain during stand under load deformation fracture and infrasonic wave responds signal and carries out synchronize monitoring continuously.
This utility model is at the additional radome of infrasonic wave detector, this is effectively reduced noise (being caused by switch gate and construction etc.) and the flowing of artificial air present in coal petrography sample loading procedure and is likely to result in the infrasound signals interference of monitoring, and the sound transmitting window on radome is pointing directly at coal petrography sample, improve the signal to noise ratio of gathered infrasound signals the most simultaneously；Coal petrography sample is loaded by the power control pattern using digital hydraulic machine, it is ensured that the record to the ess-strain of the omnidistance loading velocity sum of coal petrography sample, and can realize monitoring coal petrography sample infrasonic wave signal in loading procedure in real time；Splitting base be able to ensure that coal petrography sample in base lower wall middle, and upper lower burrs is fixed axle and be ensure that coal petrography sample is kept stable by whole device during shear-type load.This utility model uses digital hydraulic machine to carry out in pressure process to it, infrasonic wave signal is gathered by infrasonic wave real-time monitoring system, and carried out analog digital conversion by digitizer, finally being analyzed system by infrasonic wave and carry out signal visualization output, the sound transmitting window using loose porous material to make radome and upper sensing coal petrography sample thereof can improve the signal to noise ratio of gathered infrasound signals.It is under Uniaxial Compression, the flatness of upper and lower two end faces of adjustable coal petrography sample makes sample keep stable during stand under load, and Brazilian tension base is able to ensure that cylindrical coal petrography sample is stable in base lower wall middle, and upper lower burrs is fixed axle and sample whole device when by shear-type load can be made to keep stable.
Embodiment the most of the present utility model, for the ordinary skill in the art, being appreciated that in the case of without departing from principle of the present utility model and spirit and these embodiments can carry out multiple change, revise, replace and modification, scope of the present utility model is defined by the appended claims and the equivalents thereof.
Claims (5)
- null1. a loaded coal rock infrasonic wave response signals collecting and analysis experimental system，It includes sound transmitting window、Infrasonic wave is popped one's head in、Infrasonic wave detector external power supply、Radome、Digitalized network transmission Acquisition Instrument、Infrasonic wave acquisition analysis system、Mechanics sensor、Axial strain sensor、Transverse strain sensor、Coal petrography sample and splitting base,It is characterized in that,It is provided with sound transmitting window on described radome，Described infrasonic wave probe it is provided with in described radome，Described infrasonic wave detector external power supply is connected with infrasonic wave probe，Described infrasonic wave probe is connected with described digitalized network transmission Acquisition Instrument，Described digitalized network transmission Acquisition Instrument is connected with described infrasonic wave acquisition analysis system，Sound transmitting window alignment loaded coal rock sample on described radome is arranged，Axial strain sensor and transverse strain sensor it is provided with on coal petrography sample，Described coal petrography sample is arranged on described splitting base，By the power control pattern of digital hydraulic machine, coal petrography sample is loaded.
- A kind of loaded coal rock infrasonic wave response signals collecting the most according to claim 1 and analysis experimental system, it is characterized in that: on described infrasonic wave detector, be provided with infrasonic wave detector power interface and data collecting instrument interface, described infrasonic wave detector is connected with infrasonic wave detector external power supply by infrasonic wave detector power interface, and described infrasonic wave detector is connected with described digitalized network transmission Acquisition Instrument by data collecting instrument interface.
- A kind of loaded coal rock infrasonic wave response signals collecting the most according to claim 1 and analysis experimental system, it is characterized in that: described splitting base includes that cleaving base upper lower burrs fixes axle, upper dish and lower wall, fix axle by described splitting base upper lower burrs between described upper dish and lower wall to connect, described coal petrography sample is arranged between described upper dish and lower wall, so that coal petrography sample is loaded, and guarantee the stable lower wall middle at splitting base of cylindrical coal petrography sample.
- A kind of loaded coal rock infrasonic wave response signals collecting the most according to claim 1 and analysis experimental system, it is characterized in that: described digital hydraulic machine is Tong Bu with infrasonic wave detector to be opened, coal petrography sample ess-strain during stand under load deformation fracture and infrasonic wave are responded signal and carries out synchronize monitoring continuously.
- 5. respond signals collecting according to a kind of loaded coal rock infrasonic wave described in claim 1-4 any one and analyze experimental system, it is characterised in that: described radome is loose porous structure.
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| CN201620230355.4U CN205449692U (en) | 2016-03-24 | 2016-03-24 | Loading coal petrography infrasound waste water gathers and analyzed experiment system |
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| CN201620230355.4U CN205449692U (en) | 2016-03-24 | 2016-03-24 | Loading coal petrography infrasound waste water gathers and analyzed experiment system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106813976A (en) * | 2017-01-16 | 2017-06-09 | 中国矿业大学 | A kind of standard coal rock sample product fracturing process seismoelectric magnetic effect synchronous monitoring device and method |
| CN107192601A (en) * | 2017-05-23 | 2017-09-22 | 中国科学院重庆绿色智能技术研究院 | The synchronous detecting system of a kind of rock micro-mechanical model and sound mechanics |
| CN108802825A (en) * | 2018-08-22 | 2018-11-13 | 河南理工大学 | A kind of monitored by infrasonic wave coal rock dynamic disaster localization method and positioning system |
-
2016
- 2016-03-24 CN CN201620230355.4U patent/CN205449692U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106813976A (en) * | 2017-01-16 | 2017-06-09 | 中国矿业大学 | A kind of standard coal rock sample product fracturing process seismoelectric magnetic effect synchronous monitoring device and method |
| CN106813976B (en) * | 2017-01-16 | 2019-05-14 | 中国矿业大学 | A kind of standard coal rock sample product fracturing process seismoelectric magnetic effect synchronous monitoring device and method |
| CN107192601A (en) * | 2017-05-23 | 2017-09-22 | 中国科学院重庆绿色智能技术研究院 | The synchronous detecting system of a kind of rock micro-mechanical model and sound mechanics |
| CN108802825A (en) * | 2018-08-22 | 2018-11-13 | 河南理工大学 | A kind of monitored by infrasonic wave coal rock dynamic disaster localization method and positioning system |
| CN108802825B (en) * | 2018-08-22 | 2023-06-16 | 河南理工大学 | Method and system for positioning dynamic disasters of infrasonic wave monitoring coal rock |
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Granted publication date: 20160810 Termination date: 20170324 |
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| CF01 | Termination of patent right due to non-payment of annual fee |