CN103061743B - Advanced pass blockage observes monitor method - Google Patents
Advanced pass blockage observes monitor method Download PDFInfo
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- CN103061743B CN103061743B CN201210527031.3A CN201210527031A CN103061743B CN 103061743 B CN103061743 B CN 103061743B CN 201210527031 A CN201210527031 A CN 201210527031A CN 103061743 B CN103061743 B CN 103061743B
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Abstract
The invention provides a kind of advanced pass blockage observation monitor method, the observation blasthole that Drilling communicates with advanced drop shaft, after advanced drop shaft blocks, the mobility status of ore when observing ore drawing in advanced drop shaft by audio frequency and video monitoring system, set and fall behind distance observation blasthole and the vertical range of advanced drop shaft intersection center under ore faces, ore drawing amount is calculated, the distance of the ore faces in advanced drop shaft observation blasthole and the vertical range of advanced drop shaft intersection center is met the required distance of setting；Calculate the blocking position of ore in advanced drop shaft；Blocking arch in advanced pass is monitored, judges to block the degree of stability of arch.This method is not only that the scheme for formulating dredging drop shaft provides scientific and reasonable reliable basis, and substantially improves the safe working environment and labor intensity of operating personnel, and Oredrawing control is accurately in place.
Description
Technical field
The invention belongs to metallurgical mine technical field, is related to a kind of method for monitoring advanced drop shaft, more particularly to a kind of high
Deep pass blockage observes monitor method.
Background technology
Generally use has the advantages that the height that small investment, equipment are few, cost is low and production capacity is big during mining
The mode of production of deep drop shaft transport.But advanced drop shaft such as also can often block, cave at accident, the serious shadow in process of production
Mining production is rung, also carrys out great threat to personal safety belt.
Typically by the blockage of connection roadway observation drop shaft, but due to ore in pit shaft during Pass drawing
The presence of lateral pressure during flowing so that the junction of drop shaft and connection roadway can be just observed after blocking substantially, it is necessary to be cut clearly.So
And blocked due in advance Pass blocks position can not be judged, in pit shaft and encircle following ore faces when ore drawing is to connecting taxiway bottom
It is difficult estimation to be at plate, generally requires one side ore drawing, while being detected using artificial inserted link method, treats that the ore faces in pit shaft is put
The ore deposit quarrel for blocking connection roadway can be just cleared up to connecting taxiway bottom plate, again by manually observing Pass blocks situation after ore deposit quarrel cleaning.And
During the entire process of ore drawing, artificial detection, cleaning ore deposit quarrel and blocking observation, operating personnel is directly exposed to blocking arch once collapsing
In the range of falling behind the huge air-shock wave injury formed, operating personnel's personal safety can not be ensured.
The content of the invention
In order to overcome above-mentioned problems of the prior art, it is an object of the invention to provide a kind of advanced pass to block up
Plug-like condition observes monitor method, and ore drawing process, blocking arch active situation and the pass part borehole wall are monitored, make work
Industry personnel construction operation in security context.
To achieve the above object, the technical solution adopted in the present invention is：A kind of advanced pass blockage observation
Monitor method, arch is blocked to pit shaft after advanced Pass blocks using audio frequency and video monitoring system and is observed monitoring, is dredged to formulate
The scheme of logical drop shaft provides scientific and reasonable reliable basis, and Oredrawing control accurately in place, reduces observation Pass blocks and drop shaft
The security risk of work is dredged, the observation monitor method is specifically carried out according to the following steps；
Step 1：From the horizontal return airway adjacent with advanced drop shaft to advanced drop shaft Drilling connection roadway, construction chamber and from
Blasthole；Observation blasthole one end is set to be connected with construction chamber, the other end is connected with advanced drop shaft；Observation blasthole diameter need to meet to place
The demand that video camera, sound pick-up and follow-up plugging handling explosive are placed；
Step 2：After advanced drop shaft blocks, in order to which the ore ore faces in advanced drop shaft below block part is put to sight
Examine below blasthole, need Controlled ore drawing process, be i.e. the observation to ore ore faces in pass controls, and specific method is：
1）Dredging observation blasthole, sets up the video system for including sound pick-up, monitor, computer and video camera of bringing into focus
System；
2）According to video camera in the posterior order of preceding, sound pick-up, video camera and sound pick-up are sequentially sent to observe in blasthole,
Video camera is put to away from blasthole and advanced drop shaft intersection 300~500mm positions is observed, and adjusts the position of video camera, video/audio
Debugging is normal；
3）The mobility status of ore when observing ore drawing in advanced drop shaft by video system, when advanced drop shaft ore ore faces is put
When below to observation blasthole, stop ore drawing, measure the ore faces after being transferred in advanced drop shaft and intersect away from observation blasthole with advanced drop shaft
Locate the vertical range of center；According to the needs for handling advanced drop shaft, fall behind distance observation blasthole and profundity under setting ore faces
The vertical range of drop shaft intersection center, the Chu Kuangliang of bonding unit height drop shaft, corresponding ore drawing amount is calculated, according to
The ore drawing amount being calculated carries out quantitative ore drawing, makes in ore faces distance observation blasthole and the advanced drop shaft intersection in advanced drop shaft
The vertical range of heart position meets the required distance of setting, stops ore drawing；
5）According to advanced drop shaft production run record data, put since the advanced drop shaft actual blockage time to ore faces to sight
Untill examining below blasthole, store up ore deposit and measure by releasing ore amount and unit section profundity drop shaft and calculate the stifled of ore in advanced drop shaft
Fill in position；
Step 3：When ore faces is put to setting position in advanced drop shaft, the blocking arch in advanced pass is supervised
Listen, by finishing analysis monitor data, judge block arch degree of stability, for Pass blocks processing scheme formulation provide according to
According to；Specific method is as follows：
1）Open computer, the audio signal input computer of video information and the sound pick-up collection of camera acquisition；
2）The information that Inspection and analysis is collected, and audio signal is converted into waveform signal, by playing back peak shape signal, according to
The size and time interval that stone drops judge the active situation of Pass blocks arch, and qualitative analysis blocks the stability of arch.
Present invention observation monitor method sets up audio, video facilities by setting connection roadway, construction chamber and peep hole
The work such as the monitoring of control, blocking arch active situation to ore drawing process and the observation of the pass part borehole wall, finds out
The reason for Pass blocks and landslide, to provide technical guarantee from the scientific and reasonable drop shaft maintenance solution of formulation, fundamentally disappear
Except producing hidden danger.And make construction operation of the operating personnel in security context, the generation of personal injury accident is avoided, simultaneously
Filled up domestic mine to advanced pass block after can not qualitative observation analysis blank.
Brief description of the drawings
After Fig. 1 is advanced Pass blocks, formed after getting in touch with the supplementary observation engineerings such as well externally to the advanced ore pass construction
Structural representation.
Fig. 2 is the condition diagram for observing Pass drawing in the embodiment of the present invention after Pass blocks by observing blasthole.
Fig. 3 is that ore faces puts the condition diagram observed during to observation blasthole in drop shaft shown in Fig. 2.
Fig. 4 is that the audio signal gathered by audio pickup device passes through the oscillogram that processing is formed.
In Fig. 1：1. advanced drop shaft, 2. ventilation lanes, 3. connection roadways, 4. construction chambers, 5. observation blastholes, 6. ventilation shafts.
Embodiment
The present invention is described in detail with reference to the accompanying drawings and detailed description.
The raw ore that produces of generally use profundity drop shaft transport during mining, has that small investment, equipment be few, cost
The advantages that low and production capacity is big, but advanced drop shaft such as also can often block, cave at the accident, have a strong impact on the life in mine
Production, also greatly threatened to personal safety belt.The reason in order to find out Pass blocks and landslide, it is hidden to be inherently eliminated production
Suffer from, it is necessary to analysis is observed to pass, to formulate scientific and reasonable drop shaft maintenance solution.
All it is generally the blockage that advanced drop shaft is observed by connection roadway, but due to advanced Pass drawing process
Lateral pressure be present when ore flows in middle advanced pass, the junction of drop shaft and connection roadway is substantially blocked, it is necessary to clear
It can be just observed after quarrel.However, in clear quarrel, it is following to block arch due to Pass blocks position can not be judged in advance, in pit shaft
Ore faces when be at ore drawing to connecting taxiway bottom plate be difficult estimation, one side ore drawing is generally required, while using artificial inserted link
Method is detected, and treats that ore faces is put to can just clear up the ore deposit quarrel that blocks connection roadway at connecting taxiway bottom plate, again by artificial after ore deposit quarrel cleaning
Observe Pass blocks situation.During the entire process of ore drawing, artificial detection, cleaning ore deposit quarrel and blocking observation, operating personnel is direct
Exposed to blocking in the range of arch forms huge air-shock wave injury after the slump, cause operating personnel's personal safety can not
Ensure.Therefore, when advanced drop shaft blocks, action message is encircleed to collect advanced Pass blocks in detail, comprehensive analysis is advanced
The stability of Pass blocks arch, safe coefficient when advanced Pass blocks are constructed is handled with qualitative evaluation, and it is high to formulate
Deep Pass blocks processing scheme provides design considerations, it is necessary to which advanced drop shaft is monitored.And domestic mine is to profundity at present
Pass does not take system effectively to observe and monitoring technique after blocking.Asked to overcome present in above-mentioned prior art
Topic, the invention provides a kind of advanced pass blockage observation monitor method, by set connection roadway, construction chamber and
Peep hole, and set up audio, video facilities carry out control to ore drawing process, block monitoring and the drop shaft well of arch active situation
The work such as the observation of the local borehole wall of cylinder, make operating personnel's construction operation in security context.Present invention observation monitor method is specific
Carry out according to the following steps：
Step 1：From the horizontal return airway 2 adjacent with advanced drop shaft 1 to the advanced Drilling connection roadway 3 of drop shaft 1, connection roadway 3
One end communicates with horizontal return airway 2, the other end Drilling of connection roadway 3 construction chamber 4, from construction chamber 4 towards advanced drop shaft 1
Side wall Drilling observes blasthole 5；Observation one end of blasthole 5 is connected with construction chamber 4, and the other end is connected with advanced drop shaft 1.Connection roadway 3,
Construction chamber 4 and observation blasthole 5 are arranged at easily accessible advanced drop shaft 1 and are easy to handle the position that advanced drop shaft 1 blocks.Observation
The diameter of blasthole 5 should be as small as possible and meets to place the needs of video camera, sound pick-up and follow-up plugging handling explosive are placed, and one
As take 70~100mm；Observation blasthole 5 tilts down, and it is 30 °~45 ° to observe the axis of blasthole 5 and the angle of horizontal direction；See
Examining the hole wall of blasthole 5 should be smooth, facilitates being put into and extracting out for video camera and sound pick-up.
Such as：Black ditch ore deposit 2# drop shafts connection roadway as shown in Figure 1 and the arrangement of observation blasthole.From horizontal return airway 2 to height
Drilling connection roadway 3, construction chamber 4 and observation blasthole 5, observation blasthole 5 are connected deep drop shaft 1 with advanced drop shaft 1 successively, observe blasthole
5 axis and the angle of horizontal direction are 30 °.
Step 2：After advanced drop shaft 1 blocks, the ore ore faces in advanced drop shaft 1 below block part is put to sight
Blasthole is examined below 5, so as to follow-up monitoring and the explosion treatment for blocking arch and carrying out stability, this just needs to carry out ore drawing process
Control, i.e., the observation control of ore ore faces, specific method are in pass：
1）Hole is disclosed using stock, the ore deposit quarrel blocked in observation blasthole 5 is dredged, cleaning observation blasthole 5, erection includes
Sound pick-up, monitor, the video system of computer and video camera of bringing into focus；Monitor is arranged on Pass drawing arrangement adjacent
Home, it is easy to dispatch ore drawing work；
For video camera using the all-in-one infrared camera for carrying LED infrared lamps, focal length is 3.6mm or 6mm.
2）According to video camera in the posterior order of preceding, sound pick-up, video camera and sound pick-up are sequentially sent to observe blasthole 5
Interior, video camera is put to away from observation blasthole 5 and the advanced intersection 300~500mm positions of drop shaft 1, the image shown according to monitor
The position of video camera is adjusted, video/audio debugging is normal；
3）In advanced drop shaft 1 during ore drawing, the mobility status of ore in advanced drop shaft 1 is observed by video system, works as profundity
The ore ore faces of drop shaft 1 is put to when observing blasthole below 5, and observation blasthole 5 will be emptying；
Such as, after black ditch ore deposit 2# Pass blocks described in upper example, shape that blasthole 5 is observed from from the drop shaft is blocked
Condition is as shown in Figure 2, it can be seen that drop shaft is blocked by ore.After the Pass drawing, ore ore faces drops to observation blasthole below 5,
The situation in drop shaft now observed by video camera from as shown in figure 3, can't see ore ore faces in blasthole 5.
4）Stop ore drawing when the ore faces in advanced drop shaft 1 is transferred to observation blasthole position below 5, measure advanced drop shaft 1
Vertical range of the ore faces away from observation blasthole 5 with the advanced intersection center of drop shaft 1 after interior decentralization；According to the advanced drop shaft of processing
1 needs, set and fall behind distance observation blasthole 5 and the vertical range of the advanced intersection center of drop shaft 1 under ore faces, with reference to list
The Chu Kuangliang of position height drop shaft, calculates corresponding ore drawing amount, carries out quantitative ore drawing according to the ore drawing amount being calculated, makes profundity
The distance that the vertical range of ore faces distance observation blasthole 5 and the advanced intersection center of drop shaft 1 in drop shaft 1 meets setting will
Ask, stop ore drawing；
5）According to the advanced production run record data of drop shaft 1, since the advanced actual blockage time of drop shaft 1 to ore faces put to
Untill blasthole is observed below 5, ore deposit in advanced drop shaft 1 is calculated with the storage ore deposit measurement of unit section profundity drop shaft 1 by releasing ore amount
The blocking position of stone, in case subsequent treatment uses；
Step 3：When ore faces is put to setting position in advanced drop shaft 1, it is necessary to which the blocking in the advanced pit shaft of drop shaft 1 is encircleed
The monitoring of long period is carried out, by monitoring the finishing analysis of data, judges to block the degree of stability of arch, is handled for Pass blocks
The formulation of scheme provides foundation；Specific method is as follows：
1）Computer is opened, the audio signal input computer of video information and the sound pick-up collection of camera acquisition is simultaneously deposited
Disk, the unmanned observation of progress are monitored, and ordinary circumstance was by an every two days monitoring periods；
2）The information being collected into by technical staff from computer copy, Inspection and analysis is carried out by information, because computer is supervised
Listen the time longer, it is also larger to copy the information content being collected into, and retrieves for convenience, audio signal is converted into waveform signal, such as
Shown in Fig. 4, by playing back peak shape signal, you can hear and block the sound that the upper stone of arch drops, and the size to be dropped according to stone
The active situation of Pass blocks arch is judged with time interval, i.e. audio signal is strong, and the sound played out is big, and the stone to drop is also
It is relatively large；Drop the interval time length of stone, illustrate that block arch stablizes relatively, interval time is short, then stability is poor, determines with this
Property analysis block arch stability.
Connect example, blasthole 5 listens to and blocks the audio signal that arch ore falls and turn from after black ditch ore deposit 2# Pass blocks
After turning to waveform signal, by playing back the waveform signal, it is seen that the crest occurred in waveform signal, be exactly that ore produces when falling
At the crest（A corresponding time point）Sound.
Processing after black ditch ore deposit 2# Pass blocks, from November, 2007, present invention observation monitor method is employed, from
Observation monitor and analysis result, observation monitor effect it is ideal, be drop shaft processing scheme formulate provide reliably according to
According to.Such as table 1, in 2# drop shafts Severe blockage processing statistics, the blocking on April 5th, 2008, October 10 and December 31, supervise
The blocking arch for listening result to reflect is in active stage, and arch Natural care in is blocked in the case where almost not taking measures, and other
In multiple explosion treatment, snoop results are that blocking arch is basicly stable, in processing procedure, do not occur to block the feelings of arch slump
Condition.
The 2# drop shafts Severe blockage of table 1 handles statistical form
Pit shaft blocks arch after present invention observation monitor method carries out advanced Pass blocks using audio frequency and video monitoring system
Observation is monitored, and provides scientific and reasonable reliable basis to formulate the scheme of dredging drop shaft, while greatly reduce observation pass blocking
Plug and the security risk of drop shaft dredging work, have significant social benefit.Moreover, carried out using audio frequency and video monitoring system high
The technology of Oredrawing control after deep drop shaft 1 blocks, substantially improve the safe working environment and labor intensity of operating personnel, ore drawing control
System is accurate in place.
Claims (6)
- A kind of 1. advanced pass blockage observation monitor method, using audio frequency and video monitoring system to advanced Pass blocks Pit shaft blocks arch and is observed monitoring afterwards, and scientific and reasonable reliable basis, Oredrawing control are provided to formulate the scheme of dredging drop shaft Accurately in place, the security risk of observation Pass blocks and drop shaft dredging work is reduced, it is characterised in that the observation monitor method Specifically carry out according to the following steps；Step 1：From the horizontal return airway adjacent with advanced drop shaft to advanced drop shaft Drilling connection roadway, construction chamber and from big gun Hole；Observation blasthole one end is set to be connected with construction chamber, the other end is connected with advanced drop shaft；Observation blasthole diameter need to meet that placement is taken the photograph The demand that camera, sound pick-up and follow-up plugging handling explosive are placed；Step 2：After advanced drop shaft blocks, in order to which the ore ore faces in advanced drop shaft below block part is put to observation big gun Below hole, Controlled ore drawing process is needed, i.e. the observation to ore ore faces in pass controls, and specific method is：1）Dredging observation blasthole, sets up the video system for including sound pick-up, monitor, computer and video camera of bringing into focus；2）According to video camera in the posterior order of preceding, sound pick-up, video camera and sound pick-up are sequentially sent to observe in blasthole, shooting Machine is put to away from blasthole and advanced drop shaft intersection 300~500mm positions is observed, and adjusts the position of video camera, and video/audio is debugged Normally；3）The mobility status of ore when observing ore drawing in advanced drop shaft by video system, when advanced drop shaft ore ore faces is put to sight When examining below blasthole, stop ore drawing, measure the ore faces after being transferred in advanced drop shaft away from observation blasthole and advanced drop shaft intersection The vertical range of heart position；According to the needs for handling advanced drop shaft, set and fall behind distance observation blasthole and advanced drop shaft under ore faces The vertical range of intersection center, the Chu Kuangliang of bonding unit height drop shaft, corresponding ore drawing amount is calculated, according to calculating Obtained ore drawing amount carries out quantitative ore drawing, makes ore faces distance observation blasthole and advanced drop shaft intersection centre bit in advanced drop shaft The vertical range put meets the required distance of setting, stops ore drawing；4 ）According to advanced drop shaft production run record data, put since the advanced drop shaft actual blockage time to ore faces from Untill below blasthole, the blocking of ore in advanced drop shaft is calculated by releasing ore amount and the storage ore deposit measurement of unit section profundity drop shaft Position；Step 3：When ore faces is put to setting position in advanced drop shaft, the blocking arch in advanced pass is monitored, led to Cross finishing analysis and monitor data, judge to block the degree of stability of arch, the formulation for Pass blocks processing scheme provides foundation；Specifically Method is as follows：1）Open computer, the audio signal input computer of video information and the sound pick-up collection of camera acquisition；2）The information that Inspection and analysis is collected, and audio signal is converted into waveform signal, by playing back peak shape signal, according to stone The size and time interval to drop judges the active situation of Pass blocks arch, and qualitative analysis blocks the stability of arch.
- 2. advanced pass blockage observation monitor method according to claim 1, it is characterised in that the step Observe blasthole in 1 to tilt down, it is 30 °~45 ° to observe the axis of blasthole and the angle of horizontal direction.
- 3. advanced pass blockage observation monitor method according to claim 1, it is characterised in that the step Video camera is using the all-in-one infrared camera for carrying LED infrared lamps in 2.
- 4. advanced pass blockage observation monitor method according to claim 3, it is characterised in that the shooting The focal length of machine is 3.6mm or 6mm.
- 5. advanced pass blockage observation monitor method according to claim 1, it is characterised in that the step The sensitivity of sound pick-up should be able to accurately gather the small sound recorded in advanced pass in 2.
- 6. advanced pass blockage observation monitor method according to claim 1, it is characterised in that the step It is a monitoring period that every two days when blocking arch are monitored in 3.
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| CN201210527031.3A CN103061743B (en) | 2012-12-10 | 2012-12-10 | Advanced pass blockage observes monitor method |
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| CN109356653B (en) * | 2018-11-01 | 2023-10-24 | 云南昆钢电子信息科技有限公司 | Drop shaft depth measuring device and method |
| CN109798811A (en) * | 2018-12-26 | 2019-05-24 | 长沙矿山研究院有限责任公司 | A method of cleaning filling vertical tube condenses obturation |
| CN113756822B (en) * | 2020-04-28 | 2024-04-09 | 雷波明信实业发展有限公司 | High drop shaft blocking condition observation system and observation method |
| CN114165282A (en) * | 2021-11-09 | 2022-03-11 | 湖南柿竹园有色金属有限责任公司 | Method for safely treating underground suspension arch large block |
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| DE8914414U1 (en) * | 1989-12-07 | 1990-02-08 | Bergwerksverband Gmbh, 4300 Essen | Facility for examining pipelines |
| CA2314341C (en) * | 1997-10-17 | 2007-12-18 | Rocktek Limited | Method and apparatus for removing obstructions in mines |
| CN101832743B (en) * | 2010-03-29 | 2013-04-03 | 中国华冶科工集团有限公司 | Winze top-breaking blasting method |
| CN102162372B (en) * | 2011-02-19 | 2012-11-28 | 北京科技大学 | Method and system for clearing blockage of ore chute |
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