CN209728188U - A kind of Gas Outburst driving face gas pocket is with pick forward probe device - Google Patents
A kind of Gas Outburst driving face gas pocket is with pick forward probe device Download PDFInfo
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- CN209728188U CN209728188U CN201920403059.3U CN201920403059U CN209728188U CN 209728188 U CN209728188 U CN 209728188U CN 201920403059 U CN201920403059 U CN 201920403059U CN 209728188 U CN209728188 U CN 209728188U
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Abstract
The utility model discloses a kind of Gas Outburst driving face gas pockets with pick forward probe device; the geophone and plugging block of detection unit are located in protection cylinder and are sequentially arranged along the axis direction of protection cylinder; the protection cylinder of multiple detection units successively arrange by parallel interval; multiple geophones are located at the same side of multiple plugging blocks, and communication cable for mine includes the main line connecting with earthquake-capturing instrument and more branch lines connecting respectively with geophone.By the Gas Outburst driving face gas pocket of above-mentioned optimization design with pick forward probe device, multiple detection units are helped to be sequentially arranged along the direction far from excavation surface in heading wall to be measured, it is collected by detection data of the earthquake-capturing instrument to three axis geophones, using the vibration that driving face fully-mechanized digging machine cutting coal body generates as detection focus, it can be coexisted with driving face tunneling construction, driving progress is accelerated, the time using other modes detection and workload are reduced.
Description
Technical field
The utility model relates to gas boring and surveying technical field more particularly to a kind of Gas Outburst driving face gas pocket with
Dig forward probe device.
Background technique
Gas Outburst driving face meet head on front gas pocket forward probe be a technology complexity, by site environment
Interfere a kind of biggish geophysical exploration work.Currently, mine gas detective survey mainly has electromagnetic wave and traditional seismic wave method.Lyu
Continue woods, what after the regional gas outbursts Prediction and geological radar method using radio wave penetration method and channel wave seismic method such as kind and
The locality gas outbursts Prediction of resistivity soun ding in layer, Wen Guangcai, Zhao Xusheng etc. utilize Electromagnetic perspective method combination coalbed gas geology
Statistic law predicts outburst danger region, and Zhang Xuliang, Peng Suping etc. predict Gas Outburst danger band, Peng using three dimensional seismic method
The application such as Su Ping, high cloud peak AVO technology detection coal seam hugger crack, prediction coal seam gas pocket distribution.
In the prior art usually using following method:
1, mine Electromagnetic Wave Method is when carrying out driving face gas pocket forward probe, due to electrical by driving face
Equipment interference will cause more gas pocket abnormality detection false, and detection accuracy is poor and forward probe is apart from limited.
2, the 3-D seismic method in mine tradition seismic wave method (including AVO technology) and underground channel wave seismic method, are region
Property gas outbursts Prediction, and when the coal seam buried depth of Gas Outburst is big, subsurface structure, variation of lithological will affect Three Dimensional Ground earthquake
Method detection result, detection accuracy are poor.
3, mine Electromagnetic Wave Method and mine tradition seismic wave method need to stop produced on-site activity (pick during forward probe
Into roadway workface headwork), seriously affected the production process of driving face, delayed driving face operation into
Degree.
Utility model content
To solve technical problem present in background technique, the utility model proposes a kind of Gas Outburst driving faces watt
This packet is with pick forward probe device.
The utility model proposes a kind of Gas Outburst driving face gas pocket with pick forward probe device, comprising: it is more
A detection unit, communication cable for mine, earthquake-capturing instrument；
Detection unit includes protection cylinder, geophone, plugging block, geophone and plugging block be located in protection cylinder and
Axis direction along protection cylinder is sequentially arranged, and the wire guide extended along the axis is equipped in plugging block；
The protection cylinder of multiple detection units successively arrange by parallel interval, and multiple geophones are located at the same of multiple plugging blocks
Side, communication cable for mine include main line and more branch lines being electrically connected respectively with main line, and earthquake-capturing instrument is connect with main line, often
Root branch line is connect far from the wire guide that main line one end passes through plugging block with geophone.
Preferably, protection cylinder includes cylinder and drill bit, and drill bit is located at geophone far from plugging block side, is set on drill bit
It is parallel to the guide rod of the extension of cylinder axial direction, cylinder lateral wall is equipped with from extend close to drill bit one end to middle part and guide rod
The pilot hole of cooperation.
Preferably, cylinder body outer wall is equipped with external screw thread.
Preferably, drill bit is equipped with rotatably mounted pivoted frame close to geophone side, and pivoted frame is coaxially arranged with cylinder,
Plugging block and geophone are mounted on pivoted frame.
Preferably, the distance between protection cylinder of two detection units of arbitrary neighborhood is equal.
Preferably, the axis of multiple protection cylinders is located in same level.
Preferably, communication cable for mine works out shielding pvc sheath communication cable using coal mine polyethylene insulation.
In the utility model, the Gas Outburst driving face gas pocket proposed is with pick forward probe device, detection list
Member includes protection cylinder, geophone, plugging block, and geophone and plugging block are located in protection cylinder and along the axis of protection cylinder
Direction is sequentially arranged, and the protection cylinder of multiple detection units successively arrange by parallel interval, and multiple geophones are located at multiple closure
The same side of block, communication cable for mine include the main line connecting with earthquake-capturing instrument and more connect respectively with geophone
Branch line.It, will in detection process by the Gas Outburst driving face gas pocket of above-mentioned optimization design with pick forward probe device
Multiple detection units are helped to be sequentially arranged along the direction far from excavation surface in heading wall to be measured, by earthquake-capturing instrument to three axis
The detection data of geophone is collected, and the vibration generated using driving face fully-mechanized digging machine cutting coal body is shaken as detection
Source can coexist with driving face tunneling construction, reduce using other modes detection time and workload, accelerate tunnel into
Degree solves the disadvantage that need to stop the operation of driving face produced on-site in Electromagnetic Wave Method and traditional seismic wave method detection process.
Detailed description of the invention
Fig. 1 be the utility model proposes a kind of Gas Outburst driving face gas pocket with pick forward probe device cloth
Set mode structural schematic diagram.
Fig. 2 be the utility model proposes a kind of Gas Outburst driving face gas pocket with pick forward probe device inspection
The structural schematic diagram of wave unit.
Specific embodiment
As illustrated in fig. 1 and 2, Fig. 1 be the utility model proposes a kind of Gas Outburst driving face gas pocket it is super with pick
The arrangement structural schematic diagram of preceding detection device, Fig. 2 be the utility model proposes a kind of Gas Outburst driving face watt
This wraps the structural schematic diagram of the detection unit with pick forward probe device.
Referring to Fig.1 with 2, the utility model proposes a kind of Gas Outburst driving face gas pocket with pick forward probe dress
It sets, comprising: multiple detection units 1, communication cable for mine 2, earthquake-capturing instrument 3；
Detection unit 1 includes protection cylinder, geophone 12, plugging block 13, and geophone 12 and plugging block 13 are located at
It is sequentially arranged in protection cylinder and along the axis direction of protection cylinder, the wire guide extended along the axis is equipped in plugging block 13；
The protection cylinder of multiple detection units 1 successively arrange by parallel interval, and multiple geophones 12 are located at multiple plugging blocks
13 the same side, communication cable for mine 2 include main line and more branch lines being electrically connected respectively with main line, earthquake-capturing instrument 3 and master
Line connection, every branch line are connect far from the wire guide that main line one end passes through plugging block 13 with geophone 12.
In specific work process of the Gas Outburst driving face gas pocket of the present embodiment with pick forward probe device, packet
Include the following steps:
Multiple hole locations are successively bored along the direction far from excavation surface in heading wall to be measured side, each detection unit is horizontal
It is placed in the hole location, is collected by detection data of the earthquake-capturing instrument to geophone；
With the movement of excavation surface, new hole location is bored in wall side on the direction of excavation surface, and will be farthest away from
The excavation surface detection unit taking-up be reapposed in the new hole location, and so on carry out continue detection, realize letter
Number continuously acquire and handle, and the superposition by continuously acquiring signal further increases signal-to-noise ratio.
In the present embodiment, the Gas Outburst driving face gas pocket proposed is with pick forward probe device, detection list
Member includes protection cylinder, geophone, plugging block, and geophone and plugging block are located in protection cylinder and along the axis of protection cylinder
Direction is sequentially arranged, and the protection cylinder of multiple detection units successively arrange by parallel interval, and multiple geophones are located at multiple closure
The same side of block, communication cable for mine include the main line connecting with earthquake-capturing instrument and more connect respectively with geophone
Branch line.It, will in detection process by the Gas Outburst driving face gas pocket of above-mentioned optimization design with pick forward probe device
Multiple detection units are helped to be sequentially arranged along the direction far from excavation surface in heading wall to be measured, by earthquake-capturing instrument to three axis
The detection data of geophone is collected, and the vibration generated using driving face fully-mechanized digging machine cutting coal body is shaken as detection
Source can coexist with driving face tunneling construction, reduce using other modes detection time and workload, accelerate tunnel into
Degree solves the disadvantage that need to stop the operation of driving face produced on-site in Electromagnetic Wave Method and traditional seismic wave method detection process.
In the specific embodiment of protection cylinder, protection cylinder includes cylinder 11 and drill bit 14, and drill bit 14 is located at seismic detection
Device 12 is equipped with the guide rod 15 for being parallel to the axial extension of cylinder 11,11 side wall of cylinder far from 13 side of plugging block, drill bit 14
Equipped with the pilot hole cooperated with guide rod 15 extended from close 14 one end of drill bit to middle part；When being inserted into side wall, leading on drill bit
Into bar insertion pilot hole, drill bit and cylinder closure surround the closed chamber for accommodating geophone, and after being inserted in place, cylinder is moved back
It returns, pre-determined distance is spaced between drill bit and cylinder, form the window detected for geophone, avoid causing shadow to testing result
It rings, to realize that punching insertion is synchronous by the way that drill bit is arranged in protection cylinder front end and realize, to improve detection unit when detection
It is mobile, improve detection efficiency.
In further specific embodiment, 11 outer wall of cylinder is equipped with external screw thread, is inserted into side wall convenient for protection cylinder.
In other specific embodiments, drill bit 14 is equipped with rotatably mounted pivoted frame close to 12 side of geophone
16, pivoted frame 16 and cylinder 11 are coaxially arranged, and plugging block 13 and geophone 12 are mounted on pivoted frame 16；When detecting, pass through
Rotary barrel is inserted into side wall to being pushed forward, convenient for protection cylinder, and plugging block and geophone may be rotatably mounted at drill bit by pivoted frame
On, so that it, not with barrel body rotation, to protect being electrically connected between geophone and cable, is improved detection in cylinder insertion
Reliability.
In order to guarantee the reliability of testing result, in the specific arrangement method of protection cylinder, two detection lists of arbitrary neighborhood
The distance between the protection cylinder of member 1 is equal；In other specific set-up modes, the axis of multiple protection cylinders is located at same level
On.
In the selection mode of cable, communication cable for mine 2 works out shielding polyvinyl chloride using coal mine polyethylene insulation
Retarding jacket communication cable.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (7)
1. a kind of Gas Outburst driving face gas pocket is with pick forward probe device characterized by comprising multiple detection lists
First (1), communication cable for mine (2), earthquake-capturing instrument (3)；
Detection unit (1) includes protection cylinder, geophone (12), plugging block (13), geophone (12) and plugging block
(13) it is located in protection cylinder and is sequentially arranged along the axis direction of protection cylinder, is equipped in plugging block (13) and extends along the axis
Wire guide；
The protection cylinder of multiple detection units (1) successively arrange by parallel interval, and multiple geophones (12) are located at multiple plugging blocks
(13) the same side, communication cable for mine (2) include main line and more branch lines being electrically connected respectively with main line, earthquake-capturing instrument
(3) it is connect with main line, every branch line is connect far from the wire guide that main line one end passes through plugging block (13) with geophone (12).
2. Gas Outburst driving face gas pocket according to claim 1 is with pick forward probe device, which is characterized in that
Protection cylinder includes cylinder (11) and drill bit (14), and drill bit (14) is located at geophone (12) far from plugging block (13) side, bores
Head (14) is equipped with the guide rod (15) for being parallel to the extension of cylinder (11) axial direction, and cylinder (11) side wall is equipped with from close to drill bit
(14) pilot hole with guide rod (15) cooperation that one end extends to middle part.
3. Gas Outburst driving face gas pocket according to claim 2 is with pick forward probe device, which is characterized in that
Cylinder (11) outer wall is equipped with external screw thread.
4. Gas Outburst driving face gas pocket according to claim 2 is with pick forward probe device, which is characterized in that
Drill bit (14) is equipped with rotatably mounted pivoted frame (16) close to geophone (12) side, and pivoted frame (16) and cylinder (11) are coaxial
Arrangement, plugging block (13) and geophone (12) are mounted on pivoted frame (16).
5. Gas Outburst driving face gas pocket according to claim 1 is with pick forward probe device, which is characterized in that
The distance between the protection cylinder of two detection units (1) of arbitrary neighborhood is equal.
6. Gas Outburst driving face gas pocket according to claim 1 is with pick forward probe device, which is characterized in that
The axis of multiple protection cylinders is located in same level.
7. Gas Outburst driving face gas pocket according to claim 1 is with pick forward probe device, which is characterized in that
Communication cable for mine (2) works out shielding pvc sheath communication cable using coal mine polyethylene insulation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920403059.3U CN209728188U (en) | 2019-03-27 | 2019-03-27 | A kind of Gas Outburst driving face gas pocket is with pick forward probe device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920403059.3U CN209728188U (en) | 2019-03-27 | 2019-03-27 | A kind of Gas Outburst driving face gas pocket is with pick forward probe device |
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| CN209728188U true CN209728188U (en) | 2019-12-03 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112127898A (en) * | 2020-09-25 | 2020-12-25 | 北京同度工程物探技术有限公司 | Mounting method of tunnel advanced prediction detector and duct piece fixing device |
| CN112379405A (en) * | 2020-10-16 | 2021-02-19 | 山东大学 | Detector stepping automatic installation device and method for tunneling detection along with TBM |
-
2019
- 2019-03-27 CN CN201920403059.3U patent/CN209728188U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112127898A (en) * | 2020-09-25 | 2020-12-25 | 北京同度工程物探技术有限公司 | Mounting method of tunnel advanced prediction detector and duct piece fixing device |
| CN112379405A (en) * | 2020-10-16 | 2021-02-19 | 山东大学 | Detector stepping automatic installation device and method for tunneling detection along with TBM |
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