CN109631835A - A kind of tunnel is met head on the vertical deflection monitoring device in empty top zone and method - Google Patents
A kind of tunnel is met head on the vertical deflection monitoring device in empty top zone and method Download PDFInfo
- Publication number
- CN109631835A CN109631835A CN201811591420.6A CN201811591420A CN109631835A CN 109631835 A CN109631835 A CN 109631835A CN 201811591420 A CN201811591420 A CN 201811591420A CN 109631835 A CN109631835 A CN 109631835A
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- China
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- measuring staff
- connection equipment
- measuring
- top zone
- empty top
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- 238000000034 method Methods 0.000 title claims abstract description 16
- 238000012806 monitoring device Methods 0.000 title claims abstract description 16
- 238000005259 measurement Methods 0.000 claims abstract description 14
- 238000012544 monitoring process Methods 0.000 claims abstract description 10
- 238000003466 welding Methods 0.000 claims description 5
- 238000011065 in-situ storage Methods 0.000 claims description 3
- 230000005641 tunneling Effects 0.000 claims description 3
- 239000011435 rock Substances 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 3
- 239000003245 coal Substances 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000001010 compromised effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C5/00—Measuring height; Measuring distances transverse to line of sight; Levelling between separated points; Surveyors' levels
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
- E21F17/18—Special adaptations of signalling or alarm devices
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C3/00—Measuring distances in line of sight; Optical rangefinders
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mining & Mineral Resources (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Electromagnetism (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
- Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
Abstract
It meets head on the device and method of the vertical deflection in empty top zone the present invention relates to a kind of monitoring tunnel, is suitable for empty top zone Surrounding Rock Control.Monitoring device is made of connection equipment and measuring staff two parts.When monitoring, connection equipment is separately mounted to meet head on second and third row's anchor pole of top plate, and is kept fixed during monitoring point utilizes, and improves the accuracy of measurement.Measuring staff groove is embedded on connection equipment, measuring staff one end is contacted with empty top zone measuring point according to lever principle, record measuring staff length at this time and measuring staff and vertical line angle, the vertical height of measuring point Yu the measuring staff other end is obtained by calculation, the vertical height difference measured twice is exactly deflection at measuring point, and measuring staff can be placed on connection equipment after measurement.This its it is easy to operate, store convenient, at low cost and utilization rate and it is highly-safe, result is accurate, can effectively reduce inaccuracy and high risk that empty top zone roof deformation amount monitors.
Description
Technical field
The vertical deflection monitoring device in empty top zone is met head on the present invention relates to a kind of tunnel and method, especially one kind are adapted to
A kind of tunnel that mine and geotechnical engineering field use is met head on the vertical deflection monitoring device in empty top zone and method.
Background technique
Roof accident is the important hidden danger of Safety of Coal Mine Production, and wherein tunnel empty top zone of meeting head on collapses to emit and occupies important ratio
Example, so monitoring tunnel is met head on, empty top zone roof deformation amount is most important, and top plate can be made to obtain immediate support, tunnel is reduced and enclose
Rock deformation failure.Traditional monitoring method is less, and usually personnel are entered goaf and measured using conventional tool, asks there are many
Topic.
Traditional tunnel is met head on, and there are problems for the monitoring of goaf top plate deflection, especially in coal road.It is described below:
1. needing personnel to carry measurement equipment enters empty top zone measurement, there are biggish security risks；2. operational instrument is simple, general to use
Steel ruler measurement, without auxiliary tool, measurement result accuracy is poor；3. personnel enter difficulty when meeting head on to park equipment, to empty top
Region measurement brings difficulty, leads to not understand empty top zone roof condition in time.These problems seriously affect subsequent process progress
And personal safety is compromised.
Summary of the invention
Technical problem: in view of the above-mentioned problems, proposing that one kind is easy to operate, stores convenient, at low cost and utilization rate and safety
Property high, the accurate tunnel of result meet head on the monitoring device and method of empty top zone roof deformation amount.
Technical solution: to realize the above-mentioned technical purpose, tunnel of the invention is met head on the vertical deflection monitoring device in empty top zone,
Including connection equipment and measuring staff two parts；The connection equipment includes sleeve, fastening valve and weld holder, and the sleeve is that column is empty
Core structure, the internal diameter of sleeve are mutually matched with the anchor pole tail portion being arranged on back, and sleeve is equipped with weld holder and use
With the fastening valve of fixes sleeve；The measuring staff is the cylindric body of rod, and body of rod length L utilizes formula: L >=2M+0.5N is determining, formula
In: M is the array pitch of back anchor pole, and N is that tunnel is met head on unsupported back span, before being with tunneling direction, then measuring staff away from body of rod one end M at
Equipped with the groove with weld holder structure matching, away from gradiometer is equipped at the 0.5M of body of rod the same end, the body of rod should follow slope when placing
Degree instrument is away from principle placement farther out of meeting head on.
The connection equipment should be always maintained at during empty top zone measuring point utilizes and fix in situ.
A kind of tunnel is met head on the application method of the vertical deflection monitoring device in empty top zone, and its step are as follows:
A. the sleeve for connecting equipment I, connection equipment II is inserted in meet head on same tandem middle or close center respectively
Between the second horizontally-arranged anchor pole and the horizontally-arranged anchor pole of third exposed junction, make connect equipment I, connect equipment II welding bars in the same side
And it is parallel, measuring staff can be made to put, rotation fastening valve is fixed；
B. measuring staff is placed on connection equipment I, connected on the weld holder of equipment II, the front-seat connection of the groove insertion of measuring staff
On the weld holder of equipment II, adjusting the height of connection equipment I, connection equipment II on anchor pole makes measuring staff be in horizontal positioned；
C. by measuring staff, rear end removes and pushes from heel row weld holder, make before measuring staff end in contact meet head on empty top zone domain midpoint or
Measuring point close to midpoint, records the angle, θ on gradiometer at this time1；
D. after measuring, measuring staff rear end is placed back on heel row weld holder, and every 0.5h~8h measures measuring point, record
Angle, θ on gradiometer2(θ3θ4……θn)。
E. formula: h=a is utilized1-a2(a3a4……an)=Lcos θ1-Lcosθ2(θ3θ4……θn) calculate back it is every
Secondary vertical sinking total amount h, a in formula1Represent measurement measuring staff vertical height for the first time；a2It is vertically high to represent second of measurement measuring staff
Degree；L is measuring staff regular length.
The utility model has the advantages that
Using monitoring device and monitoring method of the invention, underground survey personnel only need that measurement can be completed under supporting area
The collection of data makes the Personal Safety of survey crew be greatly enhanced；Measurement method of the invention meets head on empty top to tunnel
Crush data monitoring accuracy height in area, easy to operate；It is not influenced by large scale equipment of meeting head on, empty top zone top can be obtained in time
Plate deflection；The present invention use laser ranging, it is easy to operate, accuracy is high, it is adaptable, storage it is convenient, at low cost and utilization
Rate and highly-safe, easy to spread compensates for tunnel limit unsupported back span of meeting head on and determines the scarcity of method.
Detailed description of the invention
Fig. 1 is that the vertical deflection monitoring device in empty top zone is met head on using schematic diagram in tunnel of the present invention；
Fig. 2 is that tunnel of the present invention is met head on the vertical deflection monitoring device attachment device schematic diagram in empty top zone；
Fig. 3 is that tunnel of the present invention is met head on the vertical deflection monitoring device measuring staff schematic diagram in empty top zone；
Fig. 4 is that present invention monitoring tunnel is met head on the geometric representation of the vertical deflection method in empty top zone.
In figure: 1,2- anchor pole, 3- measuring staff, 4- connection equipment I, 5- connection equipment II, 6- sleeve, 7- fasten valve, 8- welding
Frame, 9- groove, 10- gradiometer, 11- measuring point.
Specific embodiment
One embodiment of the present of invention is further described with reference to the accompanying drawing:
As shown in Figure 1, Figure 2 and Figure 3, a kind of tunnel of the invention is met head on the vertical deflection monitoring device in empty top zone, including
Equipment and 3 two parts of measuring staff are connected, the connection equipment should be always maintained at during empty top zone measuring point 11 utilizes and be fixed on
It is in situ；The connection equipment includes sleeve 6, fastening valve 7 and weld holder 8, and the sleeve 6 is cylindrical hollow structure, sleeve 6 it is interior
Diameter is mutually matched with the anchor pole tail portion being arranged on back, and sleeve 6 is equipped with weld holder 8 and to fixes sleeve 6
Fasten valve 7；The measuring staff 3 is the cylindric body of rod, and body of rod length L utilizes formula: L >=2M+0.5N is determined, in formula: M is tunnel top
The array pitch of plate anchor pole, N is that tunnel is met head on unsupported back span, before being with tunneling direction, then measuring staff 3 away from the M of the body of rod one end at equipped with and welding
The groove 9 of 8 structure matching of frame, away from the 0.5M of body of rod the same end be equipped with gradiometer 10, the body of rod place when should follow gradiometer away from
Principle farther out of meeting head on is placed.
The application method of the vertical deflection monitoring device in empty top zone as shown in figure 4, a kind of tunnel is met head on, its step are as follows:
A., the sleeve 6 for connecting equipment I 4 and connection equipment II 5 is inserted in same tandem middle or close of meeting head on respectively
The exposed junction of the horizontally-arranged anchor pole 1 of the second of middle and the horizontally-arranged anchor pole 2 of third makes to connect equipment I 4 and connects the welding of equipment II 5
Bar 8 can be such that measuring staff 3 puts, rotation fastening valve 7 is fixed in the same side and parallel；
B. measuring staff 3 is placed on connection equipment I 4 and connected on the weld holder 8 of equipment II 5, the groove 9 of measuring staff 3 insertion the
On the weld holder 8 of the connection equipment II 5 of two horizontally-arranged anchor poles 1, connection equipment I 4 and connection equipment II 5 are adjusted in the second horizontally-arranged anchor pole
1 and the horizontally-arranged anchor pole 2 of third on height so that measuring staff 3 is in horizontal positioned；
C. 3 rear end B of measuring staff is removed and is pushed from heel row weld holder 8, contact 3 front-end A of measuring staff in empty top zone domain of meeting head on
Point or the measuring point 11 at close midpoint, record the angle, θ on gradiometer 10 at this time1；
D. after measuring, 3 rear end of measuring staff is placed back on heel row weld holder 8, and every 0.5h~8h measures measuring point 11,
Record the angle, θ on gradiometer2θ3θ4……θn。
E. formula: h=a is utilized1-a2a3a4……an=Lcos θ1-Lcosθ2θ3θ4……θnIt is each to calculate back
Vertical sinking total amount h, a in formula1Represent measurement measuring staff vertical height for the first time；a2Represent second of measurement measuring staff vertical height；L
For 3 regular length of measuring staff.
Claims (3)
- The vertical deflection monitoring device in empty top zone 1. a kind of tunnel is met head on, it is characterised in that: it includes connection equipment and measuring staff (3) Two parts；The connection equipment includes sleeve (6), fastening valve (7) and weld holder (8), and the sleeve (6) is cylindrical hollow knot Structure, the internal diameter of sleeve (6) are mutually matched with the anchor pole tail portion being arranged on back, sleeve (6) be equipped with weld holder (8) with And the fastening valve (7) to fixes sleeve (6)；The measuring staff (3) is the cylindric body of rod, and body of rod length L utilizes formula: L >=2M+ 0.5N is determined, in formula, and: M is the array pitch of back anchor pole, and N is that tunnel is met head on unsupported back span, before being with tunneling direction, then measuring staff (3) away from being equipped with groove (9) with weld holder (8) structure matching at the M of body of rod one end, away from the 0.5M of the body of rod the same end at equipped with gradiometer (10), the body of rod should follow gradiometer when placing away from principle placement farther out of meeting head on.
- The device and method of the vertical deflection in empty top zone 2. monitoring tunnel according to claim 1 is met head on, it is characterised in that: The connection equipment should be always maintained at during empty top zone measuring point (11) utilize and fix in situ.
- 3. a kind of met head on the application method of the vertical deflection monitoring device in empty top zone using tunnel described in claim 1, special Sign is that steps are as follows:A. the sleeve (6) for connecting equipment I (4) and connection equipment II (5) is inserted in respectively and meets head on same tandem middle or to lean on The exposed junction of second horizontally-arranged anchor pole (1) and the horizontally-arranged anchor pole of third (2) of nearly middle makes to connect equipment I (4) and connects equipment II (5) welding bars (8) can be such that measuring staff (3) puts, rotation fastening valve (7) is fixed in the same side and parallel；B. measuring staff (3) is placed on the weld holder (8) of connection equipment I (4) and connection equipment II (5), the groove of measuring staff (3) (9) it is embedded on the weld holder (8) of connection equipment II (5) of the second horizontally-arranged anchor pole (1), adjusts connection equipment I (4) and connection equipment Height of the II (5) on the second horizontally-arranged anchor pole (1) and the horizontally-arranged anchor pole of third (2) makes measuring staff (3) to be in horizontal positioned；C. measuring staff (3) rear end is removed and is pushed from heel row weld holder (8), end in contact is made before measuring staff (3) to meet head in the domain of empty top zone Point or the measuring point (11) at close midpoint, record the angle, θ on gradiometer (10) at this time1；D. after measuring, measuring staff (3) rear end is placed back on heel row weld holder (8), and every 0.5h~8h measures measuring point (11), the angle, θ on gradiometer is recorded2(θ3θ4……θn)；E. formula: h=a is utilized1-a2(a3a4……an)=Lcos θ1-Lcosθ2(θ3θ4……θn) to calculate back each Vertical sinking total amount h, a in formula1Represent measurement measuring staff vertical height for the first time；a2Represent second of measurement measuring staff vertical height；L For measuring staff (3) regular length.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811591420.6A CN109631835B (en) | 2018-12-20 | 2018-12-20 | Device and method for monitoring vertical subsidence of roadway head-on empty-top area |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811591420.6A CN109631835B (en) | 2018-12-20 | 2018-12-20 | Device and method for monitoring vertical subsidence of roadway head-on empty-top area |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109631835A true CN109631835A (en) | 2019-04-16 |
| CN109631835B CN109631835B (en) | 2020-04-17 |
Family
ID=66077293
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811591420.6A Active CN109631835B (en) | 2018-12-20 | 2018-12-20 | Device and method for monitoring vertical subsidence of roadway head-on empty-top area |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109631835B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110242297A (en) * | 2019-07-03 | 2019-09-17 | 精英数智科技股份有限公司 | A kind of method, apparatus and system identifying driving face hypercycle operation |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100812124B1 (en) * | 2007-09-10 | 2008-03-12 | 한국씨엠이엔지(주) | Measurement method of slab moving length for underroad |
| CN204064258U (en) * | 2014-06-24 | 2014-12-31 | 河南理工大学 | A kind of roadway convergence deformation measuring device |
| CN206410696U (en) * | 2017-01-22 | 2017-08-15 | 彝良驰宏矿业有限公司 | A kind of back sinking deformation monitoring device |
| CN207365859U (en) * | 2017-11-09 | 2018-05-15 | 内蒙古上海庙矿业有限责任公司 | A kind of measuring device of roadway convergence deflection |
| CN207797987U (en) * | 2018-03-05 | 2018-08-31 | 霍州煤电集团有限责任公司 | A kind of telescopic multifunctional tunnel measuring device |
-
2018
- 2018-12-20 CN CN201811591420.6A patent/CN109631835B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100812124B1 (en) * | 2007-09-10 | 2008-03-12 | 한국씨엠이엔지(주) | Measurement method of slab moving length for underroad |
| CN204064258U (en) * | 2014-06-24 | 2014-12-31 | 河南理工大学 | A kind of roadway convergence deformation measuring device |
| CN206410696U (en) * | 2017-01-22 | 2017-08-15 | 彝良驰宏矿业有限公司 | A kind of back sinking deformation monitoring device |
| CN207365859U (en) * | 2017-11-09 | 2018-05-15 | 内蒙古上海庙矿业有限责任公司 | A kind of measuring device of roadway convergence deflection |
| CN207797987U (en) * | 2018-03-05 | 2018-08-31 | 霍州煤电集团有限责任公司 | A kind of telescopic multifunctional tunnel measuring device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110242297A (en) * | 2019-07-03 | 2019-09-17 | 精英数智科技股份有限公司 | A kind of method, apparatus and system identifying driving face hypercycle operation |
| CN110242297B (en) * | 2019-07-03 | 2020-11-13 | 精英数智科技股份有限公司 | Method, device and system for identifying super-cycle operation of tunneling working face |
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| CN109631835B (en) | 2020-04-17 |
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