CN105823546B - A kind of major diameter freezes vertical Blast Vibration Monitoring, oscillation damping method and system - Google Patents
A kind of major diameter freezes vertical Blast Vibration Monitoring, oscillation damping method and system Download PDFInfo
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- CN105823546B CN105823546B CN201610166263.9A CN201610166263A CN105823546B CN 105823546 B CN105823546 B CN 105823546B CN 201610166263 A CN201610166263 A CN 201610166263A CN 105823546 B CN105823546 B CN 105823546B
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- 230000003014 reinforcing effect Effects 0.000 claims abstract description 59
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H1/00—Measuring characteristics of vibrations in solids by using direct conduction to the detector
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Geophysics And Detection Of Objects (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Abstract
The present invention discloses a kind of major diameter and freezes vertical Blast Vibration Monitoring, oscillation damping method and system, is related to blast monitoring technical field, is able to solve in the prior art based on the test method of hanging scaffold to production bring interference problem.The method includes:After the completion of the binding of borehole wall reinforcing bar, vibration-measuring sensor and vialog are fixed on borehole wall reinforcing bar;Borehole wall reinforcing bar pour forming the borehole wall with concrete, after pouring, the chamber door of vialog is located at borehole wall surface;Vialog switch is opened, concussion of blasting caused by the continuation blast working to vertical is monitored;According to the successively detonating primer of sequence from inside to outside, blast working is continued to vertical.The present invention is suitable for major diameter and freezes vertical Blast Vibration Monitoring and vibration damping.
Description
Technical field
The present invention relates to blast monitoring technical fields more particularly to a kind of major diameter to freeze vertical Blast Vibration Monitoring, subtracts
Method of slight and system.
Background technique
In construction of coal mine and production, pit shaft Construction Technology is complicated, and Work places are narrow, by geological conditions variation etc.
The influence of factor is big, and shaft construction quality directly influences the stability in normal use and later period.Drilling and blasting method is pit shaft engineering
Main construction method, frequent and large-scale bursting work, is inevitably generated attenuation of seismic waves in pit shaft engineering construction, and
It is propagated rapidly from quick-fried source to surrounding medium.The communication process of attenuation of seismic waves is extremely complex, is affected by various factors, such as quick-fried
Source position, explosive type and performance, explosive payload, detonation mode, borehole arrangement form etc..When blasting vibration reaches some strength
Afterwards, the engineering harms such as surrounding rock body strength reduction or unstability, supporting construction craze and transfiguration even partial collapse be will cause, influenced
Blasting quality, shaft excavation construction efficiency and economic benefit of engineering.The harm and control of vibration effect of explosion have become both at home and abroad
The important topic of shotfiring safety technical research.
Blasting vibration measurement instrument is that the vibration signal for generating explosion is converted to the number letter that can be read directly and handle
Number a kind of equipment, including sensor, data acquisition device and data line.Borehole wall blasting vibration response analysis needs a large amount of number
According to, and common test is bolted on sensor on the borehole wall, vibration measurement instrument host is placed on hanging scaffold, with pick
With survey.Due to hanging scaffold test it is big to the interference of production, reinstall the otherness of acquisition signal data caused by sensor with
And there are certain discontinuity for monitoring, cause very big influence to the post analysis of signal data.
Summary of the invention
Freeze vertical Blast Vibration Monitoring, oscillation damping method in view of this, the embodiment of the present invention provides a kind of major diameter and be
System, to solve the problems, such as that the prior art, to production bring interference, and reinstalls sensor based on the test method of hanging scaffold
There are post analysis of certain discontinuity to signal data to cause shadow for the otherness of caused acquisition signal data and monitoring
Loud problem.
In order to achieve the above objectives, the embodiment of the present invention adopts the following technical scheme that:
On the one hand, the embodiment of the present invention provides a kind of major diameter and freezes vertical Blast Vibration Monitoring and oscillation damping method, including
Following steps:
During shaft construction, borehole wall reinforcing bar is bound in established pit shaft famine diameter;
After the completion of the binding of borehole wall reinforcing bar, vibration-measuring sensor and vialog are fixed on borehole wall reinforcing bar;Wherein, vibration measuring senses
Device and vialog cable connection;
Borehole wall reinforcing bar pour forming the borehole wall with concrete, after pouring, the chamber door of vialog is located at borehole wall surface;
Vialog switch is opened, concussion of blasting caused by the continuation blast working to vertical is monitored;
It is bored by umbrella and sets blasthole and blasting charge in vertical face, it is other that section is respectively adopted from inside to outside according to wellbore centre
For 1,2,3,4,5 section of other detonating primer;Wherein the blasting charge in periphery hole uses segment algorithm, and segment algorithm includes a side
Wall edge is axially arranged with two joint-cutting pipes symmetrically to crack;
According to the successively detonating primer of sequence from inside to outside, blast working is continued to vertical.
Optionally, during shaft construction, before binding borehole wall reinforcing bar in established pit shaft famine diameter, the method
Further include:Customize vibration-measuring sensor and vialog.
Optionally, the customization vibration-measuring sensor includes:Select vibration-measuring sensor;Cancel the original for the vibration-measuring sensor selected
Sensor connector directly draws signal wire from sensor internal, and waterproof insulation process is done in outlet, and it is soft to install protection additional outside signal wire
Pipe.
Optionally, the customization vibration-measuring sensor further includes:Sensor internal is encapsulated using insulative water-proof glue, on sensor
Lower cover junction is sealed with waterproof grommet, the full encapsulation process of sensor external marine glue.
Optionally, the customization vialog includes:Cabinet is processed into the iron plate of 1.5mm thickness or steel plate;Cabinet or so two
Side is respectively provided with the circular hole that three diameters are 3cm, and bottom is equipped with the circular hole of 2 diameter 2cm, for instrument circuit connection and cabinet
Fixation, cabinet front is machined with the built-in chamber door that can reliably switch;Asbestos foam insulating layer is placed in the cabinet;
Vialog host and mating explosion-proof lithium battery are placed in the cabinet, the tapping of wiring is sealed with glass cement, case
Lock is set at door.
Optionally, described during shaft construction, borehole wall reinforcing bar is bound in established pit shaft famine diameter, including:?
During shaft construction, borehole wall inner ring reinforcing bar vertical bar, borehole wall outer reinforcement vertical bar and ring muscle are bound in established pit shaft;
After the completion of the borehole wall reinforcing bar binding, it is fixed on borehole wall reinforcing bar by vibration-measuring sensor and with vialog, including:
After the completion of the binding of borehole wall reinforcing bar, 6 vialogs are arranged according to section High Linear;By every vialog cabinet and vibration-measuring sensor jail
Admittedly being arranged in borehole wall inner ring reinforcing bar vertical bar and Huan Jin lap-joint, the horizontal bubble device on adjustment sensor to horizontal position is simultaneously solid
It is fixed;Wherein, same level arranges 2 vibration-measuring sensors, 2 equidistant linear arrangements of vibration-measuring sensor.
Optionally, the major diameter freezes vertical and freezes vertical greater than 8m for mineshaft diameter.
On the other hand, the embodiment of the present invention provides a kind of major diameter and freezes vertical Blast Vibration Monitoring system, including:The borehole wall
Reinforcing bar, vibration-measuring sensor and vialog;Wherein, vibration-measuring sensor and vialog are fixed on borehole wall reinforcing bar, vibration-measuring sensor with
Vialog cable connection;Borehole wall reinforcing bar, vibration-measuring sensor and vialog pour in borehole wall concrete, and the chamber door of vialog is located at
Borehole wall surface.
Optionally, the vibration-measuring sensor includes:Signal wire directly is drawn from sensor internal, waterproof insulation is done in outlet
Processing, signal wire install protecting hose additional outside;Sensor internal is packaged with insulative water-proof glue, and sensor upper and lower covers junction is equipped with anti-
Waterstop ring, sensor external are packaged with marine glue.
Optionally, the vialog includes:The cabinet being processed by the iron plate or steel plate of 1.5mm thickness;At left and right sides of cabinet
Face is respectively provided with the circular hole that three diameters are 3cm, and bottom is equipped with the circular hole of 2 diameter 2cm, for instrument circuit connection and cabinet
Fixed, cabinet front is machined with the built-in chamber door that can reliably switch;
Asbestos insulated foam coating is placed in the cabinet;Vialog host and mating explosion-proof lithium battery are placed in described
In cabinet, the tapping of wiring is sealed equipped with glass cement, and lock is equipped at chamber door.
A kind of major diameter provided in an embodiment of the present invention freezes vertical Blast Vibration Monitoring, oscillation damping method and system, due to
Vibration-measuring sensor and vialog are each attached on borehole wall reinforcing bar, and thus, it is possible to solve test method in the prior art based on hanging scaffold
To production bring interference problem, and reinstalls the otherness of acquisition signal data and monitoring caused by sensor and deposit
The problem of post analysis of certain discontinuity to signal data impacts.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is the flow diagram that major diameter of the present invention freezes vertical Blast Vibration Monitoring and oscillation damping method embodiment;
Fig. 2 be vertical blasting cap section not and pack form schematic diagram;
Fig. 3 is joint-cutting pipe diagrammatic cross-section;
Fig. 4 is shaft construction borehole blasting vialog linear arrangement figure;
Fig. 5 is the unilateral shaft wall structure schematic diagram that major diameter of the present invention freezes vertical Blast Vibration Monitoring system;
Fig. 6 is that vibration-measuring sensor and reinforcing bar are connected and fixed clip and bolt combination figure.
Specific embodiment
The embodiment of the present invention is described in detail with reference to the accompanying drawing.
It will be appreciated that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts it is all its
Its embodiment, shall fall within the protection scope of the present invention.
Fig. 1 is the flow diagram that major diameter of the present invention freezes vertical Blast Vibration Monitoring and oscillation damping method embodiment.Ginseng
See Fig. 1, major diameter of the present invention is freezed vertical Blast Vibration Monitoring and oscillation damping method embodiment, included the following steps:
S11, during shaft construction, in established pit shaft famine diameter bind borehole wall reinforcing bar;
In the present embodiment, it is the vertical that mineshaft diameter is greater than that 8m whole process is freezed that the major diameter, which freezes vertical,.
After the completion of S12, the binding of borehole wall reinforcing bar, vibration-measuring sensor and vialog are fixed on borehole wall reinforcing bar;Wherein, vibration measuring
Sensor and vialog cable connection;
In the present embodiment, before borehole wall casting concrete, vibration-measuring sensor is fixed in the borehole wall by bolt and clip
It encloses on reinforcing bar.
S13, borehole wall reinforcing bar pour forming the borehole wall with concrete, after pouring, the chamber door of vialog is located at borehole wall table
Face;
In the present embodiment, after pouring, vialog sensor is bonded as one with tested shaft wall.
S14, vialog switch is opened, concussion of blasting caused by the continuation blast working to vertical is monitored;
S15, blasthole and blasting charge are set in vertical face by umbrella brill, is respectively adopted from inside to outside according to wellbore centre
Section Wei not 1,2,3,4,5 section of other detonating primer;Wherein the blasting charge in periphery hole uses segment algorithm, and segment algorithm includes one
Branch side wall is provided with explosive in the joint-cutting pipe along two joint-cutting pipes symmetrically to crack are axially arranged with;
In the present embodiment, by periphery blasthole use segment algorithm directional fracture control blasting technology, guarantee periphery at
Shape simultaneously utmostly reduces blasting vibration intensity.It is easy to implement periphery hole small pit goaf wide_hole distance, reduces vibration effect of explosion, is section
It learns the influence judged blasting vibration to the borehole wall and guarantees that the forming of pit shaft periphery provides foundation.
In addition, using cumulative segment algorithm in periphery hole, conventional charge is can be used in remaining blasthole, according to dividing from inside to outside
It Cai Yong not 1,2,3,4,5 section of other blasting cap initiation.Guarantee that pit shaft shapes and utmostly reduces vibration effect of explosion to shaft wall structure
The damage of body.Wherein 1 section is instantaneous cap, and 1 section and 2 sections of detonator delay-time differences are 25ms, 2 sections and 3 sections of detonator delay times
Difference is 25ms, and 3 sections and 4 sections of detonator delay-time differences are 25ms, and 4 sections and 5 sections of detonator delay-time differences are 35ms.Fig. 2 is vertical
Blasting cap section not and pack form schematic diagram.
The joint-cutting pipe includes two kinds of specifications, and it is 40mm that one kind, which is outside diameter d, and it is 50mm that one kind, which is outside diameter d, and wall thickness E is
The injection-moulded plastic pipe of 2mm is equipped in joint-cutting pipe leading portion and separates breeze way by buffer board, and the width T that cracks of the joint-cutting pipe is 2mm
~4mm, 1.5 times of cracking length not less than the sum of each section of explosive length.Fig. 3 is joint-cutting pipe diagrammatic cross-section.
The explosive is allowed for use in coal mines rock emulsion explosive, and explosive diameter is two kinds of specifications of 35mm and 45mm, explosive length
Respectively 300mm and 450mm.
5 sections of detonators of the periphery hole use vibration damping cumulative segment algorithm, using Uncoincided charge mode.
S16, according to wellbore centre sequence from inside to outside successively detonating primer, blast working is continued to vertical.
A kind of major diameter provided in an embodiment of the present invention freezes vertical Blast Vibration Monitoring and oscillation damping method, solves big straight
Diameter freezes vertical, especially water-bearing layer vertical Blast Vibration Monitoring and vibration damping problem;By vibration-measuring sensor in the method for the present invention
It is each attached on borehole wall reinforcing bar with vialog, it is easy to operate, it is small on the influence of vertical normal construction, it does not need continually to be promoted and hang
The data continuity of disk, acquisition is strong, and the blasting vibration response condition that can accurately reflect shaft wall is existing thus, it is possible to solve
Technology tests otherness big to the interference of production, and reinstalling acquisition signal data caused by sensor due to hanging scaffold
And monitoring has that certain discontinuity impacts the post analysis of signal data.
In preceding method embodiment, optionally, during shaft construction, well is bound in established pit shaft famine diameter
Before wall reinforcing bar (S11), the method also includes customizing vibration-measuring sensor and vialog.
In order to increase the waterproof performance of vibration-measuring sensor, in preceding method embodiment, optionally, the customization vibration measuring is passed
Sensor includes:Select high-precision waterproof performance good and the vibration-measuring sensor of wide temperature range type;Cancel the former of the vibration-measuring sensor selected to pass
Sensor connector directly draws signal wire from sensor internal, and waterproof insulation process is done in outlet, and it is soft to install protection additional outside signal wire
Pipe.
The present embodiment passes through waterproof customization at two, i.e., first is that cancelling the original sensor connector for the vibration-measuring sensor selected, directly
It connects from sensor internal and draws signal wire, waterproof insulation process is done in outlet;Second is that installing protecting hose outside signal wire additional, it is ensured that mixed
Not damage signal line in solidifying soil casting process;It can be improved the waterproof performance of sensor in this way.
The waterproof performance of vibration-measuring sensor in order to further increase, in preceding method embodiment, the customization vibration measuring is passed
Sensor may also include the step of three water-proofing treatments, i.e. sensor internal is encapsulated using insulative water-proof glue, sensor upper and lower covers knot
It is sealed at conjunction with waterproof grommet, the full encapsulation process of sensor external marine glue, is conducive to strengthen waterproof effect in this way.
In preceding method embodiment, optionally, the customization vialog includes:Added with the iron plate or steel plate of 1.5mm thickness
Work is at cabinet;Cabinet left and right sides are respectively provided with the circular hole that three diameters are 3cm, and bottom is equipped with the circular hole of 2 diameter 2cm, use
In the fixation of instrument circuit connection and cabinet, cabinet front is machined with the built-in chamber door that can reliably switch;In the cabinet
Interior placement asbestos foam insulating layer;Vialog host and mating explosion-proof lithium battery are placed in the cabinet, wiring is opened
It is sealed at hole with glass cement, settable simple lock at chamber door.
In the present embodiment, allowed for use in coal mines explosion-proof lithium battery, the normal sustainable power supply of explosion-proof lithium battery 10 days, to lithium can be selected
Battery appearance carries out waterproof enclosure processing.By lithium battery continued power, realize that the long-time of vialog uninterruptedly monitors.Institute
It states and places asbestos foam insulating layer in cabinet, can prevent the borehole wall from pouring the hydration heat of initial stage high-strength concrete to instrument test
It impacts.
It is optionally, described during shaft construction in preceding method embodiment, well is bound in established pit shaft
Wall reinforcing bar, including:During shaft construction, borehole wall inner ring reinforcing bar vertical bar is bound in established pit shaft famine diameter, outside the borehole wall
Layer reinforcing bar vertical bar and ring muscle.
Fig. 4 is shaft construction borehole blasting vialog linear arrangement figure.It, will after the completion of the borehole wall reinforcing bar binding referring to Fig. 4
It vibration-measuring sensor and is fixed on borehole wall reinforcing bar with vialog, including:After the completion of the binding of borehole wall reinforcing bar, according to section High Linear
Arrange 6 vialogs;Every vialog cabinet and vibration-measuring sensor secure placement are taken in borehole wall inner ring reinforcing bar vertical bar and ring muscle
Place is met, the horizontal bubble device on adjustment sensor to horizontal position and fixation;Wherein, same level arranges 2 vibration measuring sensings
Device, 2 equidistant linear arrangements of vibration-measuring sensor.
In the present embodiment, by every vialog cabinet and vibration-measuring sensor secure placement in borehole wall inner ring reinforcing bar vertical bar and ring
Muscle lap-joint, not only improves vialog cabinet and vibration-measuring sensor is mounted so as to firm, and the chamber door for being conducive to vialog is located at well
Wall surface, convenient for the switch for opening vialog and convenient for the recycling to vialog.In addition, being arranged simultaneously along the borehole wall more
A monitoring point, it can be achieved that with separate explosion opposition well borehole wall different depth vibration data synchronous acquisition.
Fig. 5 is the unilateral shaft wall structure schematic diagram that major diameter of the present invention freezes vertical Blast Vibration Monitoring system.This implementation
In example, it is the vertical that mineshaft diameter is greater than that 8m freezes that the major diameter, which freezes vertical,.Referring to Fig. 5, the embodiment of the present invention, including:
Borehole wall reinforcing bar 51, vibration-measuring sensor 52 and vialog 53;Vibration-measuring sensor 52 and vialog 53 are fixed on borehole wall reinforcing bar 51, are surveyed
Vibration sensor 52 and 53 cable connection of vialog;Borehole wall reinforcing bar 51, vibration-measuring sensor 52 and vialog 53 are poured in borehole wall coagulation
In soil, the chamber door of vialog 53 is located at borehole wall surface.In Fig. 5,54 be the borehole wall after excavation, and 55 be to pour the rear borehole wall.
Major diameter provided in an embodiment of the present invention freezes vertical Blast Vibration Monitoring and vibration insulating system, solves major diameter jelly
Tie vertical, especially water-bearing layer vertical Blast Vibration Monitoring and vibration damping problem;By vibration-measuring sensor and vialog in the present invention
It is each attached on borehole wall reinforcing bar, it is easy to operate, it is small on the influence of vertical normal construction, it does not need continually to promote hanging scaffold, acquisition
Data continuity is strong, can accurately reflect the blasting vibration response condition of shaft wall, thus, it is possible to solve the prior art due to
Hanging scaffold test is big to the interference of production, and reinstalls the otherness and monitoring of acquisition signal data caused by sensor
There are problems that certain discontinuity impacts the post analysis of signal data.
In aforementioned system embodiment, optionally, borehole wall reinforcing bar 51 includes borehole wall inner ring reinforcing bar vertical bar 51a and borehole wall outer ring
Reinforcing bar vertical bar 51b, vibration-measuring sensor 52 and vialog 53 are fixed on borehole wall inner ring reinforcing bar vertical bar 51a.Preferably, vibration measuring is passed
Sensor 52 and 53 secure placement of vialog are in borehole wall inner ring reinforcing bar vertical bar and Huan Jin (not shown) lap-joint.
Fig. 6 is that vibration-measuring sensor and reinforcing bar are connected and fixed clip and bolt combination figure.Referring to Fig. 6, vibration-measuring sensor 52 is logical
It crosses clip 56 and bolt 57 is fixed on borehole wall reinforcing bar.
In aforementioned system embodiment, optionally, the vibration-measuring sensor 52 includes:It directly draws and believes from sensor internal
Number line, outlet do waterproof insulation process, install protecting hose outside signal wire additional;Sensor internal is packaged with insulative water-proof glue, passes
Sensor upper and lower covers junction is equipped with waterproof grommet, and sensor external is packaged with marine glue.
Referring to Fig. 5, in aforementioned system embodiment, optionally, the vialog 53 includes:By 1.5mm thickness iron plate or
The cabinet 531 that steel plate is processed into;531 left and right sides of cabinet are respectively provided with the circular hole that three diameters are 3cm, and bottom is equipped with 2 directly
The circular hole of diameter 2cm, for the fixation of instrument circuit connection and cabinet 531,531 front of cabinet is machined with and built-in can reliably open
The chamber door of pass;Asbestos foam insulating layer 532 is placed in the cabinet 531;Vialog host 533 and mating explosion-proof lithium battery
534 are placed in the cabinet 531, and the tapping of wiring is close equipped with glass cement, and lock (not shown) is equipped at chamber door.Vibration measuring
The chamber door of instrument is located at the surface of the borehole wall 55 after pouring, convenient for the switch for opening vialog and convenient for the recycling to vialog
It utilizes.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
In the technical scope disclosed by the present invention, any changes or substitutions that can be easily thought of by those familiar with the art, all answers
It is included within the scope of the present invention.Therefore, protection scope of the present invention should be subject to the protection scope in claims.
Claims (9)
1. a kind of major diameter freezes vertical Blast Vibration Monitoring and oscillation damping method, which is characterized in that include the following steps:
During shaft construction, borehole wall reinforcing bar is bound in established pit shaft famine diameter;
After the completion of the binding of borehole wall reinforcing bar, vibration-measuring sensor and vialog are fixed on borehole wall reinforcing bar;Wherein, vibration-measuring sensor with
Vialog cable connection;
Borehole wall reinforcing bar pour forming the borehole wall with concrete, after pouring, the chamber door of vialog is located at borehole wall surface;
Vialog switch is opened simultaneously, concussion of blasting caused by the continuation blast working to vertical is monitored;
It is bored by umbrella and sets blasthole and blasting charge in vertical face, according to being respectively adopted other point of section from inside to outside by wellbore centre
It Wei not 1,2,3,4,5 section of other detonating primer;Wherein the blasting charge in periphery hole uses segment algorithm, and segment algorithm includes one
Side wall is provided with explosive in the joint-cutting pipe along two joint-cutting pipes symmetrically to crack are axially arranged with;
According to the successively detonating primer of sequence from inside to outside, blast working is continued to vertical.
2. the method according to claim 1, wherein during shaft construction, in established pit shaft famine diameter
Before interior binding borehole wall reinforcing bar, the method also includes:
Customize vibration-measuring sensor and vialog.
3. according to the method described in claim 2, it is characterized in that, the customization vibration-measuring sensor includes:
Select vibration-measuring sensor;
Cancel the original sensor connector for the vibration-measuring sensor selected, directly draws signal wire from sensor internal, outlet is done anti-
Water insulation processing, signal wire install protecting hose additional outside.
4. according to the method described in claim 3, it is characterized in that, the customization vibration-measuring sensor further includes:
Sensor internal is encapsulated using insulative water-proof glue, and sensor upper and lower covers junction is sealed with waterproof grommet, outside sensor
The full encapsulation process of portion's marine glue.
5. according to the method described in claim 3, it is characterized in that, the customization vialog includes:
Cabinet is processed into the iron plate of 1.5mm thickness or steel plate;Cabinet left and right sides are respectively provided with the circular hole that three diameters are 3cm,
Bottom is equipped with the circular hole of 2 diameter 2cm, and for the fixation of instrument circuit connection and cabinet, cabinet front is machined with built-in energy
Enough chamber doors reliably switched;
Asbestos foam insulating layer is placed in the cabinet;
Vialog host and mating explosion-proof lithium battery are placed in the cabinet, the tapping of wiring is sealed with glass cement
It is good, lock is set at chamber door.
6. method according to claim 1 or 5, which is characterized in that
It is described that borehole wall reinforcing bar is bound in established pit shaft famine diameter during shaft construction, including:In shaft construction process
In, borehole wall inner ring reinforcing bar vertical bar, borehole wall outer reinforcement vertical bar and ring muscle are bound in established pit shaft famine diameter;
After the completion of the borehole wall reinforcing bar binding, it is fixed on borehole wall reinforcing bar by vibration-measuring sensor and with vialog, including:
After the completion of the binding of borehole wall reinforcing bar, 6 vialogs are arranged according to section High Linear;
By every vialog cabinet and vibration-measuring sensor secure placement in borehole wall inner ring reinforcing bar vertical bar and Huan Jin lap-joint, adjustment is passed
Horizontal bubble device on sensor is to horizontal position and fixation;Wherein, same level arranges 2 vibration-measuring sensors, and 2 vibration measurings pass
The equidistant linear arrangement of sensor.
7. the method according to claim 1, wherein it is mineshaft diameter greater than 8m's that the major diameter, which freezes vertical,
Freeze vertical.
8. a kind of major diameter freezes vertical Blast Vibration Monitoring system, which is characterized in that including:
Borehole wall reinforcing bar, vibration-measuring sensor and vialog;Wherein,
The borehole wall reinforcing bar includes vertical bar and ring muscle,
The vibration-measuring sensor and vialog are fixed on the borehole wall vertical bar and Huan Jin lap-joint, and the vibration-measuring sensor is same
Horizontal first-class spaced linear arranges two, vibration-measuring sensor and vialog cable connection;
Borehole wall reinforcing bar, vibration-measuring sensor and vialog pour in borehole wall concrete, and the chamber door of vialog is located at borehole wall surface;
The vialog includes:
The cabinet being processed by the iron plate or steel plate of 1.5mm thickness;Cabinet left and right sides are respectively provided with the circle that three diameters are 3cm
Hole, bottom are equipped with the circular hole of 2 diameter 2cm, and for the fixation of instrument circuit connection and cabinet, cabinet front is machined with built-in
The chamber door that can reliably switch;
Asbestos foam insulating layer is placed in the cabinet;
Vialog host and mating explosion-proof lithium battery are placed in the cabinet, and the tapping of wiring is sealed equipped with glass cement, case
Lock is equipped at door.
9. major diameter according to claim 8 freezes vertical Blast Vibration Monitoring system, which is characterized in that the vibration measuring passes
Sensor includes:
Signal wire directly is drawn from sensor internal, outlet does waterproof insulation process, installs protecting hose outside signal wire additional;
Sensor internal is packaged with insulative water-proof glue, and sensor upper and lower covers junction is equipped with waterproof grommet, sensor external envelope
Equipped with marine glue.
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CN106948802B (en) * | 2017-03-07 | 2020-04-10 | 中国石油天然气集团公司 | Vibration damping method for drilling tool |
CN107478524A (en) * | 2017-09-21 | 2017-12-15 | 武汉科技大学 | The experimental provision and its method that simulation oil storage tank responds under Blast Load effect |
CN109695452B (en) * | 2019-01-07 | 2021-04-27 | 中国矿业大学 | Single-layer shaft capable of axially yielding and construction method thereof |
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