CN105588539A - Device for monitoring coal body transverse deformation on line and monitoring method thereof - Google Patents
Device for monitoring coal body transverse deformation on line and monitoring method thereof Download PDFInfo
- Publication number
- CN105588539A CN105588539A CN201610044914.7A CN201610044914A CN105588539A CN 105588539 A CN105588539 A CN 105588539A CN 201610044914 A CN201610044914 A CN 201610044914A CN 105588539 A CN105588539 A CN 105588539A
- Authority
- CN
- China
- Prior art keywords
- bail
- fluid pressure
- lateral displacement
- pressure type
- type lateral
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/32—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring the deformation in a solid
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses a device for monitoring coal body transverse deformation on line and a monitoring method thereof, and belongs to the fields of coal mine impact earth pressure control and mine rock deformation monitoring. The device comprises a data processing unit arranged on ground, a data transmission unit arranged on a working surface and at least one measuring unit arranged in a drilling hole. The measuring unit comprises a hydraulic type transverse displacement determinator, a fixed clamping ring and a pushing rod. The fixed clamping ring is of a hollow ring-shaped structure and comprises a ring surface and a cavity. A line port is arranged on the part, close to the outer side, of the ring surface. At least one clamping nail and guiding groove matched with the clamping nail are distributed on the ring surface. The clamping nail is capable of sliding clockwise in the guiding groove. A spine part of the clamping nail extends out from the ring surface. Steps are arranged in the clockwise sliding direction of the clamping nail, and a certain included angle is formed between the bottom layer of the steps and the clamping nail. According to the invention, a plurality of devices can be distributed in one drilling hole, one-hole multi-point monitoring is realized, mutual interference among the monitoring points is also avoided, and the data is accurate and effective.
Description
Technical field
The present invention relates to coal mine rock burst control, rock body quality of mine deformation monitoring field, be specifically related to a kind of on-line monitoring coal body horizontal strokeTo deformation device and monitoring method thereof.
Background technology
In mine working face exploitation process, the effect that coal body is subject to mine pressure may produce bump accident, and roadway deformation is tightHeavy, the safety in production to working face and staff's life security cause great threat. Coal body transversely deforming is mine pressureOne of phenomenon manifesting is also to differentiate the important references condition whether bump occurs. Because coal body can be adopted, arrived by back production goodsImpact is large, requires data monitoring short interval time, therefore invents a kind of on-line monitoring coal body transversely deforming device research is impacted groundPress control to there is important practice significance.
At present, lot of domestic and international scholar has developed some device and methods, patent to surveying coal face coal distortion201310127426.9 open " coal face coal dilatation detector and detection methods ", this detector meter detection method is profitBe fixed on large and small diameter steel pipe in boring (band displacement graduation mark) be subject to relative displacement that coal deformation produces realize rightThis detector and detection method characterize coal deformation, although can be monitored not coal deformation amount in the same time, note that cannot be real-timeRecord data, can only lean on not reading out data in the same time of staff; Patent 20141037533.9 has proposed " working face goaf sideDetermine method to the monitoring of coal body Width of Plastic Zone ", the method is by helping horizontal drilling to lay borehole stressmeter in non-back production, and monitoring is eachMeasuring point STRESS VARIATION, determines coal body Width of Plastic Zone, and the method is to judge the broken of coal body by monitor stress change curve typeBad scope, can not visualize coal body transversely deforming amount and the monitoring of a hole multiple spot; Patent 201410379987.2 discloses oneThe quantitative observation of impact coal-mass dilatation amount is determined method, in three levels observation boring, install respectively a stress trajectory device withTwo displacement observation devices record that coal seam is vertical, lateral displacement amount, obtain the dilatation amount of each monitoring point, and the method quantities is large,Complex operation.
In sum, existing device and method has been holed in difference, and influence factor is many, and measured result has larger discreteness.
Summary of the invention
The problem existing for said apparatus, the present invention proposes a kind of on-line monitoring coal body transversely deforming device and monitoring method thereof,This device can be realized a hole multiple spot, Real-Time Monitoring, and data are accurate and effective.
One of task of the present invention is to provide a kind of on-line monitoring coal body transversely deforming device.
A kind of on-line monitoring coal body transversely deforming device, comprises the data biography that is positioned at aboveground data processing unit, is positioned at working faceSend unit and at least one measuring unit that is positioned at boring;
Described measuring unit comprises fluid pressure type lateral displacement analyzer, fixing snap ring and push rod, and described fixing snap ring is connected to instituteState the front end of fluid pressure type lateral displacement measurement instrument, described push rod is used for described fixing snap ring and fluid pressure type lateral displacement analyzerPush to pilot to be measured, described fixing snap ring is hollow ring structure, comprises anchor ring and cavity, and described anchor ring is established near outsideBe equipped with circuit port, be laid with at least one bail and gathering sill with matching on described anchor ring, described bail can be describedIn gathering sill, slide clockwise, the head of described bail is arranged on the inner side of anchor ring, and the sharp portion of described bail stretches out described anchor ring,In the clockwise glide direction of bail, place is provided with step, and between the bottom of described step and described bail, shape is at a certain angle;
Described data transfer unit comprises control box and circuit, and one end of described circuit is connected to described fluid pressure type lateral displacement measurementOn instrument, the other end is connected in control box, and the other end of described control box is by extremely described data processing unit of connection; ?In described control box, be provided with data converter, described data converter is used for the monitoring of fluid pressure type lateral displacement analyzer to obtainDisplacement is converted to electric signal transmission to described data processing unit.
The direct useful technique effect that technique scheme is brought is:
Fluid pressure type lateral displacement analyzer in measuring unit fixes by fixing snap ring, make device and coal body be fused into one whole, while having avoided utilizing elasticity " pawl " fixing, there is bending, illusive phenomenon in body.
Fixing snap ring simple in structure, practical, the combination by suitable, counterclockwise rotation realization and coal body with separate, thereby realNow installation and the recovery to device.
As a preferred version of the present invention, the angle between the bottom of described step and described bail is 30～60 °.
Bail slides in gathering sill, in the time sliding into clockwise step place, under the resistance of step, can be fixed on step place,Further sharp portion stretches in the coal body of side.
As another preferred version of the present invention, described data processing unit is computer.
Preferably, described bail is provided with three.
Preferably, at described cavity wall, place is provided with groove, the front paragraph header place of described fluid pressure type lateral displacement analyzer be provided withThe dop of described groove fit.
Preferably, on the outermost sleeve of described fluid pressure type lateral displacement analyzer, be also provided with supporting plate, in described control box, arrangeBe useful on the switch of controlling described supporting plate lifting.
Preferably, the measuring unit in described boring is provided with 2～3 simultaneously.
Another task of the present invention is to provide the method for on-line monitoring coal body transversely deforming, comprises the following steps successively:
A, according to coal seam geological condition, selects monitoring face, and drills through boring;
B installs the required measuring unit of monitoring,
Described measuring unit comprises fluid pressure type lateral displacement analyzer, fixing snap ring and push rod, and described fixing snap ring is hollow ringShape structure, comprises anchor ring and cavity, and described anchor ring is provided with circuit port near outside, is laid with at least one on described anchor ringIndividual bail and gathering sill with matching, described bail can slide clockwise in described gathering sill, and the head of described bail is establishedPut the inner side at anchor ring, the sharp portion of described bail stretches out described anchor ring, and in the clockwise glide direction of bail, place is provided with step,Between the bottom of described step and described bail, shape is at a certain angle;
The front end that fixing snap ring is arranged on to described fluid pressure type lateral displacement analyzer, is arranged on fluid pressure type lateral displacement by push rodThe rear end of analyzer, and utilize push rod that fixing snap ring and fluid pressure type lateral displacement analyzer are delivered to the pilot to be measured in boring,The push rod that turns clockwise, bail slides along gathering sill and step simultaneously, is fastened on step and slowly hammers in coal body, with willFixing snap ring and fluid pressure type lateral displacement analyzer are fixed; If measuring unit has more than one, deliver to successively in this order in boringPilot to be measured;
C is at aboveground layout data processing unit, and at working face layout data delivery unit, described data transfer unit comprises controlBox and circuit, be connected to one end of circuit on fluid pressure type lateral displacement measurement instrument, and the other end is connected in control box, will controlThe other end of box is connected with data processing unit by connection, and in control box, data converter is set,
D monitoring, data converter is monitored by fluid pressure type lateral displacement analyzer the displacement obtaining and is converted to electric signal transmission to instituteState data processing unit;
After e has monitored, push rod is rotated counterclockwise, separates loose bail, ecto-entad takes out each fluid pressure type lateral displacement successivelyAnalyzer.
Compared with prior art, the present invention has following useful technique effect:
(1) same boring can be laid multiple devices, has not only realized a hole multiple spot to monitor simultaneously but also solved monitoring point phase mutual interferenceProblem;
(2) under identical conditions, the data obtained has more comparativity, is conducive to analyze;
(3) monitoring device is laid in boring inside completely, has avoided tunnel to expand side and has caused monitoring disruption to occur;
(4) adopt real time on-line monitoring, can catch more, data more accurately;
(5) the fixing snap ring of mechanical type proposing and automatically controlled fixing supporting plate have been realized the fixing and liberation to device, and pass through push rodThe recycling of implement device, has saved monitoring cost.
Brief description of the drawings
Below in conjunction with accompanying drawing, the present invention will be further described:
Fig. 1 is the structural representation of on-line monitoring coal body transversely deforming device of the present invention;
Fig. 2 is fixed card loop section structural representation;
Fig. 3 is measuring unit and data processing unit part-structure schematic diagram;
Fig. 4 is push rod part-structure schematic diagram;
In figure, 1, fixing snap ring, 1.1, gathering sill, 1.2, bail, 1.3, step, 1.4, circuit port, 2, hydraulic pressureFormula lateral displacement analyzer, 2.1, front end, 2.2, inner core, 2.3, outer shell, 2.4, bottom, 2.5, connection jaws, 2.6,Supporting plate, 3, control line, 4, transmission line, 5, control box, 5.1, data converter, 5.2, switch, 6, computer, 7,Push rod.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is elaborated.
The present invention, a kind of on-line monitoring coal body transversely deforming device, comprises being positioned at aboveground data processing unit, being positioned at working faceData transfer unit and be positioned at least one measuring unit of boring.
As shown in figures 1 and 3, data processing unit is computer 6, and data transfer unit comprises control box 5, control line 3 andTransmission line 4, control box 5 inside are provided with data converter 5.1 and switch 5.2, and data converter 5.1 connects by transmission line 4Be connected on fluid pressure type lateral displacement analyzer 2, switch 5.2 is connected with supporting plate 2.6 by transmission line 4, another of control box 5End is connected and is led computer 6 by transmission line 4, and data converter transfers to the displacement of measuring on fluid pressure type lateral displacement analyzerComputer is observed and is processed.
Because structure and the circuit thereof of measuring unit of the present invention are simple, therefore, the present invention can place multiple measuring units in boring.Each measuring unit, comprises fluid pressure type lateral displacement analyzer 2 and the fixing snap ring that is positioned at its front end 2.1 places, fixing snap ringEffect is fluid pressure type lateral displacement analyzer 2 to be fixed, and fixing snap ring can be collected in circuit circuit port 1.4Place, has avoided winding the line in prior art complicated problem, and as shown in Figure 2, it is hollow ring body to the structure of fixing snap ring 1,Being made up of two concentric but anisodiametric annulus, is cavity in the center of fixing snap ring 1, and the face of two annulus formation isAnchor ring, fixing snap ring internal diameter is identical with the diameter of fluid pressure type lateral displacement analyzer, is D1, outer ring diameter and bore diameter phaseWith, be D2；
Be provided with circuit port 1.4 in the edge of anchor ring, on anchor ring, be laid with at least one bail 1.2 and match with itGathering sill 1.1, three bails 1.2 and three gathering sills 1.1 have been shown in Fig. 2, bail 1.2 can be interior suitable at gathering sill 1.1Hour hands slide, and the head of bail is arranged on the inner side of anchor ring, and the sharp portion of bail stretches out anchor ring, in the clockwise glide direction of bailPlace is provided with step 1.3, forms the angle of 30～60 ° between the bottom of step 1.3 and bail; Bail 1.2 sharp portions stretch outThe outside of anchor ring, in the time clockwise rotating push rod, fixing snap ring is along with rotation, and bail is simultaneously along gathering sill 1.1 and step 1.3Slide, slowly hammer in coal body, fix fluid pressure type lateral displacement analyzer front end 2.1; Threading opening 1.4 is positioned at fixing snap ring 1Upper left side, not only can cross line but also protected circuit.
As shown in Figure 3, fluid pressure type lateral displacement analyzer 2 comprise front end 2.1, inner core 2.2, outer shell 2.3, bottom 2.4,Connection jaws 2.5 and fixing supporting plate 2.6, front end 2.1, inner core 2.2, outer shell 2.3, bottom 2.4 are cylinder, front end 2.1Be connected with fixing snap ring 1, rear end 2.4 is connected with control line 3, transmission line 4, at the bottom of inner core 2.2 diameter < outer shell 2.3 diameter <Hold 2.4 diameters.
Fluid pressure type lateral displacement analyzer 2 front end 2.1 diameters are D1, bottom has and can inlay with fixing snap ring 1 interior ring draw-in grooveProjection;
Inner core 2.2 can be interior flexible at outer shell 2.3, and distance of stretch out and draw back is 1m, and when flexible, internal oil pressure changes and makes displacementSensing chip produces signal;
Bottom 2.4 contains displacement sensing chip and controls the sensing unit of supporting plate 2.6 liftings;
Connection jaws 2.5 is transmission line 4 and control line 3 and being connected a little of bottom 2.4;
Supporting plate 2.6 can be realized lifting through gauge tap 5.2, and then fastening and separate with drill hole inner wall, reaches bottom 2.4Fixing and unclasp.
As shown in Figure 3, control box 5 squarelys, comprise data converter 5.1 and gauge tap 5.2, data converter 5.1Realization converts the signal of telecommunication to displacement monitoring amount and imports computer 6 into, and gauge tap 5.2 is controlled the lifting of supporting plate 2.6.
As shown in Figure 4, push rod 7 is marked with scale, front end 7.1 can with the bottom 2.4 of fluid pressure type lateral displacement analyzer 2Be connected, mainly realize the laying of fluid pressure type lateral displacement analyzer 2, position adjustment.
The present invention, the monitoring method of on-line monitoring coal body transversely deforming device, comprises the following steps:
The first step: according to coal seam geological condition, select monitoring face and laying, drill through boring;
Second step: will fix snap ring 1 and be set into entirety with fluid pressure type lateral displacement analyzer 2 front ends 2.1, before push rod 7End 7.1 couples together with fluid pressure type lateral displacement analyzer rear end 2.4;
The 3rd step: utilize push rod 7 fixing snap ring 1, fluid pressure type lateral displacement analyzer 2 push to boring desired location (asMultiple measuring points are laid in fruit one hole, utilize push rod 7 to push successively, and control line 3 and transmission line 4 can be walked by circuit port 1.4Go out boring), the push rod 7 that turns clockwise, bail 1.2 slides along gathering sill 1.1 and step 1.3 simultaneously, slowly hammers into coal bodyIn, fix fluid pressure type lateral displacement analyzer front end 2.1;
The 4th step: open gauge tap 5.2, rise fixing supporting plate 2.6, fix fluid pressure type lateral displacement analyzer bottom 2.4;
The 5th step: connect each circuit, start monitoring;
The 6th step: after monitoring finishes, push rod 7 is rotated counterclockwise, and separates loose bail 1.2, and ecto-entad takes out each hydraulic pressure successivelyFormula lateral displacement analyzer 2, completes monitoring.
It should be noted that, any equivalent way that those skilled in the art make under the instruction of this description, or obviously becomeType mode all should be in protection scope of the present invention.
Claims (8)
1. an on-line monitoring coal body transversely deforming device, is characterized in that:
Comprise and be positioned at aboveground data processing unit, be positioned at the data transfer unit of working face and be positioned at least one survey of boringAmount unit;
Described measuring unit comprises fluid pressure type lateral displacement analyzer, fixing snap ring and push rod, and described fixing snap ring is connected to instituteState the front end of fluid pressure type lateral displacement measurement instrument, described push rod is used for described fixing snap ring and fluid pressure type lateral displacement analyzerPush to pilot to be measured, described fixing snap ring is hollow ring structure, comprises anchor ring and cavity, and described anchor ring is established near outsideBe equipped with circuit port, be laid with at least one bail and gathering sill with matching on described anchor ring, described bail can be describedIn gathering sill, slide clockwise, the head of described bail is arranged on the inner side of anchor ring, and the sharp portion of described bail stretches out described anchor ring,In the clockwise glide direction of bail, place is provided with step, and between the bottom of described step and described bail, shape is at a certain angle;
Described data transfer unit comprises control box and circuit, and one end of described circuit is connected to described fluid pressure type lateral displacement measurementOn instrument, the other end is connected in control box, and the other end of described control box is by extremely described data processing unit of connection; ?In described control box, be provided with data converter, described data converter is used for the monitoring of fluid pressure type lateral displacement analyzer to obtainDisplacement is converted to electric signal transmission to described data processing unit.
2. on-line monitoring coal body transversely deforming device according to claim 1, is characterized in that: the bottom of described step with described inAngle between bail is 30～60 °.
3. on-line monitoring coal body transversely deforming device according to claim 1, is characterized in that: described data processing unit is meterCalculation machine.
4. on-line monitoring coal body transversely deforming device according to claim 1, is characterized in that: described bail is provided with three.
5. on-line monitoring coal body transversely deforming device according to claim 1, is characterized in that: at described cavity wall, place is provided withGroove, the front paragraph header place of described fluid pressure type lateral displacement analyzer is provided with the dop with described groove fit.
6. on-line monitoring coal body transversely deforming device according to claim 1, is characterized in that: described fluid pressure type lateral displacement is surveyedDetermine to be also provided with supporting plate on the outermost sleeve of instrument, in described control box, be provided with the switch for controlling described supporting plate lifting.
7. on-line monitoring coal body transversely deforming device according to claim 1, is characterized in that: the measuring unit in described boringBe provided with 2～3 simultaneously.
8. a method for on-line monitoring coal body transversely deforming, is characterized in that, comprises the following steps successively:
A, according to coal seam geological condition, selects monitoring face, and drills through boring;
B installs the required measuring unit of monitoring,
Described measuring unit comprises fluid pressure type lateral displacement analyzer, fixing snap ring and push rod, and described fixing snap ring is hollow ringShape structure, comprises anchor ring and cavity, and described anchor ring is provided with circuit port near outside, is laid with at least one on described anchor ringIndividual bail and gathering sill with matching, described bail can slide clockwise in described gathering sill, and the head of described bail is establishedPut the inner side at anchor ring, the sharp portion of described bail stretches out described anchor ring, and in the clockwise glide direction of bail, place is provided with step,Between the bottom of described step and described bail, shape is at a certain angle;
The front end that fixing snap ring is arranged on to described fluid pressure type lateral displacement analyzer, is arranged on fluid pressure type lateral displacement by push rodThe rear end of analyzer, and utilize push rod that fixing snap ring and fluid pressure type lateral displacement analyzer are delivered to the pilot to be measured in boring,The push rod that turns clockwise, bail slides along gathering sill and step simultaneously, is fastened on step and slowly hammers in coal body, with willFixing snap ring and fluid pressure type lateral displacement analyzer are fixed; If measuring unit has more than one, deliver to successively in this order in boringPilot to be measured;
C is at aboveground layout data processing unit, and at working face layout data delivery unit, described data transfer unit comprises controlBox and circuit, be connected to one end of circuit on fluid pressure type lateral displacement measurement instrument, and the other end is connected in control box, will controlThe other end of box is connected with data processing unit by connection, and in control box, data converter is set,
D monitoring, data converter is monitored by fluid pressure type lateral displacement analyzer the displacement obtaining and is converted to electric signal transmission to instituteState data processing unit;
After e has monitored, push rod is rotated counterclockwise, separates loose bail, ecto-entad takes out each fluid pressure type lateral displacement successivelyAnalyzer.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711016820.XA CN108050982B (en) | 2016-01-22 | 2016-01-22 | A method of on-line monitoring coal body transversely deforming |
| CN201610044914.7A CN105588539B (en) | 2016-01-22 | 2016-01-22 | One kind on-line monitoring coal body transversely deforming device and its monitoring method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610044914.7A CN105588539B (en) | 2016-01-22 | 2016-01-22 | One kind on-line monitoring coal body transversely deforming device and its monitoring method |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711016820.XA Division CN108050982B (en) | 2016-01-22 | 2016-01-22 | A method of on-line monitoring coal body transversely deforming |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105588539A true CN105588539A (en) | 2016-05-18 |
| CN105588539B CN105588539B (en) | 2018-01-30 |
Family
ID=55928301
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711016820.XA Active CN108050982B (en) | 2016-01-22 | 2016-01-22 | A method of on-line monitoring coal body transversely deforming |
| CN201610044914.7A Active CN105588539B (en) | 2016-01-22 | 2016-01-22 | One kind on-line monitoring coal body transversely deforming device and its monitoring method |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711016820.XA Active CN108050982B (en) | 2016-01-22 | 2016-01-22 | A method of on-line monitoring coal body transversely deforming |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN108050982B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107121100A (en) * | 2017-04-14 | 2017-09-01 | 华北科技学院 | The monitoring method of coal body creep inside a kind of coal seam |
| CN107560590A (en) * | 2017-09-21 | 2018-01-09 | 中国矿业大学(北京) | A kind of mobile coal rock mass deformation monitoring system and its monitoring method |
| CN109975180A (en) * | 2019-04-18 | 2019-07-05 | 龙岩学院 | Goaf resistance coefficient test device and method under impact load |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100761934B1 (en) * | 2007-07-23 | 2007-09-28 | 주식회사 동우기술단 | Bridge safety examination system |
| CN201012439Y (en) * | 2007-01-27 | 2008-01-30 | 中国船舶重工集团公司第七○二研究所 | Positioner for square tubes soldering |
| CN101408420A (en) * | 2008-11-27 | 2009-04-15 | 山东科技大学 | Strip bearing block long term monitoring method |
| WO2012126960A1 (en) * | 2011-03-24 | 2012-09-27 | Hochschule für Technik und Wirtschaft | Sensor fiber and sensor fiber arrangement |
| CN103673982A (en) * | 2013-12-25 | 2014-03-26 | 山东科技大学 | On-line monitoring device and method of mining overburden stratum movement of shallow coal seam |
| KR20150025853A (en) * | 2013-08-30 | 2015-03-11 | 권영억 | assembly for displacement meter |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2196289Y (en) * | 1994-05-06 | 1995-05-03 | 中国科学院地质研究所 | Piston type multi-point extensometer |
| JP5311997B2 (en) * | 2008-12-11 | 2013-10-09 | 佐藤工業株式会社 | Underground displacement observation apparatus and method |
| CN103207418B (en) * | 2012-02-10 | 2015-05-06 | 安徽理工大学 | Coal mass volume-expanding detector for coal face and detection method |
| CN104265364B (en) * | 2014-07-31 | 2017-01-25 | 天地科技股份有限公司 | Monitoring determining method for working face goaf lateral coal plastic area width |
| CN104101313B (en) * | 2014-08-04 | 2016-07-13 | 山东科技大学 | The quantitative observation defining method of impact coal-mass dilatation amount |
| CN204402467U (en) * | 2014-12-30 | 2015-06-17 | 晋能集团有限公司 | A kind of mining intrinsic safety type multiple position extensometer |
| CN204646274U (en) * | 2015-03-01 | 2015-09-16 | 何文杰 | A kind of bidirectional hydraulic landing leg rod |
| CN105179018B (en) * | 2015-10-16 | 2018-08-21 | 辽宁工程技术大学 | A kind of coal mine rock burst detection method |
-
2016
- 2016-01-22 CN CN201711016820.XA patent/CN108050982B/en active Active
- 2016-01-22 CN CN201610044914.7A patent/CN105588539B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201012439Y (en) * | 2007-01-27 | 2008-01-30 | 中国船舶重工集团公司第七○二研究所 | Positioner for square tubes soldering |
| KR100761934B1 (en) * | 2007-07-23 | 2007-09-28 | 주식회사 동우기술단 | Bridge safety examination system |
| CN101408420A (en) * | 2008-11-27 | 2009-04-15 | 山东科技大学 | Strip bearing block long term monitoring method |
| WO2012126960A1 (en) * | 2011-03-24 | 2012-09-27 | Hochschule für Technik und Wirtschaft | Sensor fiber and sensor fiber arrangement |
| KR20150025853A (en) * | 2013-08-30 | 2015-03-11 | 권영억 | assembly for displacement meter |
| CN103673982A (en) * | 2013-12-25 | 2014-03-26 | 山东科技大学 | On-line monitoring device and method of mining overburden stratum movement of shallow coal seam |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107121100A (en) * | 2017-04-14 | 2017-09-01 | 华北科技学院 | The monitoring method of coal body creep inside a kind of coal seam |
| CN107121100B (en) * | 2017-04-14 | 2020-03-10 | 山东李楼煤业有限公司 | Monitoring method for coal body creep in coal seam |
| CN107560590A (en) * | 2017-09-21 | 2018-01-09 | 中国矿业大学(北京) | A kind of mobile coal rock mass deformation monitoring system and its monitoring method |
| CN109975180A (en) * | 2019-04-18 | 2019-07-05 | 龙岩学院 | Goaf resistance coefficient test device and method under impact load |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108050982B (en) | 2019-10-18 |
| CN105588539B (en) | 2018-01-30 |
| CN108050982A (en) | 2018-05-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101517191B (en) | Method of and system for determining the free point in a drill pipe | |
| CN103967476B (en) | With boring physical prospecting forward probe device and detection method | |
| CN106050143B (en) | Downhole orientation hole concordant guide digging system and method based on formation lithology identification | |
| CN104061902B (en) | Combined type underground deep disaster monitoring device | |
| CN203729976U (en) | All-dimensional peeping probe and positioning device for coal mine downhole drilling | |
| CN101270666B (en) | Tunnel influence geological condition section-expanding horizontal drilling estimation and prediction method | |
| EP2966258B1 (en) | Depth positioning using gamma-ray correlation and downhole parameter differential | |
| CN109306863A (en) | A kind of cluster well top straight well section anti-collision method for early warning based on the detection of offset well casing string self-field | |
| CN103147737A (en) | Drilling detection method for disclosing law of overburden failure in ascending mining | |
| CA2774292A1 (en) | Magnetic ranging system for controlling a drilling process | |
| CN106285776A (en) | A kind of unrestrained method of roof water based on Technology of Directional Drilling | |
| CN110987039A (en) | Method for testing damage depth of coal seam roof and floor after working face extraction | |
| CN105588539A (en) | Device for monitoring coal body transverse deformation on line and monitoring method thereof | |
| WO2021134929A1 (en) | Structure activation dual-parameter monitoring system and monitoring method | |
| CN103967479A (en) | Predicting method for target-entering situation of rotary steerable drilling | |
| CN106401557B (en) | A kind of method of joint test coal seam gas-bearing capacity and the determining effective extraction radius that drills of gas pressure | |
| CN209927122U (en) | Remote protected layer expansion deformation and top and bottom plate separation layer measuring device | |
| CN103775073B (en) | A kind of getting working face geostatic stress distribution characteristics detection method | |
| CN114035237A (en) | Ground drilling transient electromagnetic method for monitoring coal mining separation layer water forming process | |
| CN106032750B (en) | Geological logging instrument based on drilling energy spectrum | |
| CN108798645A (en) | Following formula inclination measurement system in following formula inclination measurement device and drilling rod in a kind of drilling rod | |
| CN202431189U (en) | Variable-diameter guiding device for drilling holes | |
| CN206074155U (en) | A kind of many field test devices of quasi-distributed floor undulation | |
| CA2976352C (en) | Surface excitation ranging methods and systems employing a customized grounding arrangement | |
| CN103556981B (en) | A kind of drilling construction automatic monitoring system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |