CN106680279A - Method and device for detecting fissure zone produced after directional blasting - Google Patents

Method and device for detecting fissure zone produced after directional blasting Download PDF

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Publication number
CN106680279A
CN106680279A CN201710048471.3A CN201710048471A CN106680279A CN 106680279 A CN106680279 A CN 106680279A CN 201710048471 A CN201710048471 A CN 201710048471A CN 106680279 A CN106680279 A CN 106680279A
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CN
China
Prior art keywords
conduit
hole
blast hole
section
hunting
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201710048471.3A
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Chinese (zh)
Inventor
陈义东
杨春满
李学彬
王金国
王群
任继海
梁智鹏
袁帅
郭庆
程子厚
郭鹏
王苏龙
孙晓萍
赵子葵
路建宏
宜晓东
惠孙文
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Yanan Grass Ditch Coal Industry Co Ltd
Beijing China Coal Mine Engineering Co ltd
Original Assignee
Yanan Grass Ditch Coal Industry Co Ltd
Beijing China Coal Mine Engineering Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Yanan Grass Ditch Coal Industry Co Ltd, Beijing China Coal Mine Engineering Co ltd filed Critical Yanan Grass Ditch Coal Industry Co Ltd
Priority to CN201710048471.3A priority Critical patent/CN106680279A/en
Publication of CN106680279A publication Critical patent/CN106680279A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84Systems specially adapted for particular applications

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  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Examining Or Testing Airtightness (AREA)

Abstract

An embodiment of the invention discloses a method and a device for detecting a fissure zone produced after directional blasting, relates to the technical field of mining and can conveniently and accurately detect the development position of the fissure zone produced in directional blasting. The method comprises the steps as follows: pushing a leak detection conduit into a to-be-tested section of a blasting hole, and blocking two ends of the to-be-tested section; injecting water into the to-be-tested section of the blasting hole; observing whether water leaks from the observation hole section adjacent to the to-be-tested section of the blasting hole from the observation hole around the blasting hole. The method and device are applicable to detection of the fissure zone appearing in the roadway, cave room, slope and mine operation.

Description

A kind of fissure zone detection method and equipment for after directional blasting
Technical field
The present invention relates to fissure zone detection technique field in mining, more particularly to it is a kind of for directional blasting after split Gap band detection method and equipment.
Background technology
During the minings such as colliery, iron mine, often need to be oriented mine bursting work, mine is in explosion Fissure zone often occurs in journey, finds and understands the development position and form size of fissure zone in rock body quality of mine in time, be to carry out One of important evidence of Subsequent secure production operation;Therefore, for the detection of the fissure zone development position in directional blasting engineering Just seem increasingly important.
Based on this, need in mining it is a kind of dedicated for directional blasting in the fissure zone that formed detected Method and supporting equipment.
The content of the invention
In view of this, the embodiment of the present invention provides a kind of fissure zone detection method and equipment for after directional blasting, energy Easily and accurately the development position of the fissure zone to producing in directional blasting is detected.
In a first aspect, the embodiment of the present invention provides a kind of fissure zone detection method for after directional blasting, including:To survey Leakage conduit pushes to be measured section of blast hole, blocks to be measured section of two ends;
To be measured section of water filling of the blast hole;
Whether have with to be measured section of adjacent observation hole section of the blast hole by the peephole observation around the blast hole Aqueous seepage flow.
With reference in a first aspect, in the first embodiment of first aspect, the conduit that will leak hunting pushes to be measured section of blast hole, To be measured section of two ends of closure include:
The conduit that leaks hunting is fabricated to the rigid material of hollow structure;
Leak hunting on conduit arrange a pair certain distances axially spaced apart from each other device of blocking up;
Leak hunting on conduit, positioned at blocking up some through holes of open up between device described;
The tube at one end that will leak hunting is processed into hickey;
Connecting conduit is increased to which by the hickey;
The conduit that leaks hunting for being connected with connecting conduit is pushed into be measured section of blast hole.
With reference to the first embodiment of first aspect, in second embodiment of first aspect, the device of blocking up For elastomeric bladder;
The conduit that will leak hunting pushes to be measured section of blast hole, and to be measured section of two ends of closure include also including:
On the conduit that leaks hunting, the second conduit is set;
Second tube at one end is connected on gas compressor by solenoid directional control valve;
Gas pressure sensor is installed between solenoid directional control valve and second conduit, in the second conduit other end Upper installation flow divider;
After the conduit that leaks hunting pushes to be measured section of the blast hole, open gas compressor, by solenoid directional control valve to Insufflation gas in second conduit, the gas are injected separately into described blocking up in device by flow divider;
When gas injection is a certain amount of, gas compressor is automatically stopped inflation.
With reference to the first or second embodiment of first aspect, first aspect, the third in first aspect is implemented It is in mode, described to include to be measured section of water filling of the blast hole:
Described connecting conduit one end is connected on water injection machine by flexible pipe;
In flexible pipe between water injection machine and connecting conduit, level pressure sensor is set
Effusion meter and pressure gauge are installed in connecting conduit;
Water injection machine is opened, the water of to be measured section of blast hole of injection is recorded in the water filling in the conduit that leaks hunting, effusion meter automatically Amount;
When to be measured section of hydraulic pressure of the blast hole reaches certain pressure value, water injection machine is automatically stopped water filling.
With reference in a first aspect, in the 4th kind of embodiment of first aspect, the sight by around the blast hole Whether gaging hole observation has aqueous seepage flow to include with to be measured section of adjacent observation hole section of the blast hole:
Peephole is bored in blast hole periphery;
Conduit is inserted in the peephole, cable is laid in conduit, be located on one end of peephole depths in conduit Micro-camera is installed, one end of the cable is connected with the micro-camera, the shooting moment of camera is set;
The other end of the cable is connected with the data monitor laid outside peephole;
After to the water filling 3~5 minutes of to be measured section of a certain blast hole, the rock mass to the observation hole section adjacent with the blast hole Shot, and by shoot picture by the cable transmission to data monitor.
With reference to first aspect, first to fourth kind of any embodiment of first aspect, in the 5th kind of reality of first aspect Apply in mode, methods described also includes:
By constantly in the blast hole conduit that leaks hunting position, realization is to blast hole full section fissure zone The detection of development position and size.
It is with reference to the 5th kind of embodiment of first aspect, in the 6th kind of embodiment of first aspect, described by constantly The position of the conduit that leaks hunting in the blast hole, inspection of the realization to blast hole full section fissure zone development position and size Survey includes:
When one section of explosion hole section detection is finished, switch the electromagnetic switch threshold switch, the gas blocked up in device leads to Cross second conduit to discharge;
The conduit that leaks hunting inwardly or outwardly is moved to into next explosion hole section to be measured along blast hole, second is carried out It is individual, the 3rd, so that n-th explosion hole section to be measured fissure zone detection.
Second aspect, the embodiment of the present invention provide a kind of fissure zone testing equipment for after directional blasting, including:Leak hunting Conduit and it is axially fixed at described leaking hunting and the first of conduit two ends blocks up and device and second block up device;It is described leak hunting on conduit, position Block up in described first and device and second blocking up multiple inlet openings of be provided between device;The rigid material that conduit is hollow structure that leaks hunting Expects pipe, is fixed with air inlet pipe in the pipe inner wall that leaks hunting, and institute's air inlet pipe is flexible pipe, is provided with described air inlet pipe one end Flow divider, the flow divider connects first respectively blocks up and device and second blocks up device, and described first blocks up device and the second device of blocking up is Elastomeric bladder;One end of the conduit that leaks hunting is provided with interface, and connecting conduit is connected with the interface, and the connecting conduit is at least , water pressure table is provided with the connecting conduit, block up described first and set between device and the interface of the conduit that leaks hunting by two It is equipped with check valve;Water ga(u)ge is also equipped with the connecting conduit;
Also include:Water injection machine, gas compressor, level pressure sensor, solenoid directional control valve, gas pressure sensor and electricity Control device;The electric control gear is connected respectively with the water injection machine and gas compressor, the gas outlet of the gas compressor with Air inlet pipe connection, is provided with solenoid directional control valve between the gas outlet and the air inlet pipe, the solenoid directional control valve with Gas pressure sensor is provided between the air inlet pipe, is blocked up device and the second air pressure blocked up in device for detection first, is worked as institute State, when need it is mobile it is described leak hunting conduit when, switch electromagnetic switch threshold switch and arranged Gas;The water injection machine is connected with the connecting conduit, and liquid-level pressure biography is provided between the water injection machine and the connecting conduit Sensor, to the water injection rate for detecting the conduit that leaks hunting.
With reference to second aspect, in the first embodiment of second aspect, on the conduit that leaks hunting, hoop has first annular Support, the first annular support two ends are provided with the first baffle of projection, and the first annular support annular surface is provided with the One through hole, is leaking hunting on pipe inner wall, is being provided with the second through hole positioned at the first through hole corresponding position, and described first blocks up Device is fixed on the first annular support by the first baffle, is blocked up described first and be provided with valve inside on device, described Valve inside is axially fixed in second through hole and first through hole;
On the conduit that leaks hunting, hoop has the second ring support, and the second ring support two ends are provided with the second gear of projection Plate, the second ring support annular surface are provided with third through-hole, leaking hunting on pipe inner wall, positioned at the third through-hole Corresponding position is provided with fourth hole, and the described second device of blocking up is fixed on second ring support by the second baffle On, to block up described second valve inside is provided with device, second valve inside blocked up on device is axially fixed at the threeway In hole and fourth hole, the end face diameter maximum of the first baffle and second baffle should ensure that the water block device smoothly can be placed In blast hole.
With reference to second embodiment of the embodiment of the present invention, in the third embodiment of the present embodiment, described One device of blocking up includes interior elastic bag, web layer and external protection, and the web layer is located at the elastic bag and the outer guarantor Between sheath, the interior elastic bag makes annular pouch-shaped using butyl rubber, binds round on the first annular support, described Web layer flexible cotton thread, silk fiber braiding, the external protection adopt natural gum, and carbon black, suitable fourth, the stupid making of fourth are described to knit Stratum reticulare is fixed on the inside of the external protection;
Described second device of blocking up includes interior elastic bag, web layer and external protection, and the web layer is located at the elasticity Between air bag and the external protection, the interior elastic bag makes annular pouch-shaped using butyl rubber, binds round in described second On ring support, the web layer flexible cotton thread, silk fiber braiding, the external protection adopt natural gum, carbon black, along fourth, The stupid making of fourth, the web layer are fixed on the inside of the external protection.
A kind of fissure zone detection method and equipment for after directional blasting of the embodiment of the present invention, simple structure, convenience are easy With pushing to be measured section of blast hole by the conduit that will leak hunting, block to be measured section of two ends;To be measured section of water filling of the blast hole;Pass through Whether the peephole observation around the blast hole has aqueous seepage flow with to be measured section of adjacent observation hole section of the blast hole;Energy side Just the development position of fissure zone exactly to producing in directional blasting is detected.
Description of the drawings
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing Accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are only this Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the fissure zone detection method schematic flow sheet after embodiments of the invention one are used for directional blasting;
Fig. 2 is that embodiments of the invention two are illustrated for the fissure zone assay device structures after directional blasting and its application Figure;
Fig. 3 is rock mass change schematic diagram after directional blasting of the invention;
Fig. 4 is the first elastomeric bladder and the second elastomeric bladder structure sectional view in Fig. 2;
Fig. 5 is the first elastomeric bladder and the second elastomeric bladder structure left view in Fig. 2;
Fig. 6 is enlarged drawing at A in Fig. 2;
Fig. 7 is enlarged drawing at B in Fig. 2.
Specific embodiment
Below in conjunction with the accompanying drawings the embodiment of the present invention is described in detail.
It will be appreciated that described embodiment is only a part of embodiment of the invention, rather than the embodiment of whole.Base Embodiment in the present invention, those of ordinary skill in the art obtained under the premise of creative work is not made it is all its Its embodiment, belongs to the scope of protection of the invention.
Fig. 1 be a kind of fissure zone detection method schematic flow sheet for after directional blasting of embodiments of the invention, such as Fig. 1 Shown, the method for the present embodiment includes step:
S1, the conduit that will leak hunting push to be measured section of blast hole, block to be measured section of two ends;
Wherein, referring to shown in Fig. 2, when the blast hole is directional blasting operation, open during using cumulative powder stick directional blasting The hole of digging, after oriented explosion, can form crack 40, the development position in the crack on the rock mass around the blast hole 19 There is important impact to follow-up safety in production operation;In the present embodiment, the conduit that leaks hunting is to aim at detection fissure zone to send out Educate position and design, before the conduit that leaks hunting pushes blast hole nominative testing section, need first blast hole to be carried out clearing up, light Whole process, so that the conduit that leaks hunting can successfully be pushed into specified location.Can pre-set at the conduit two ends of leaking hunting Enclosuring structure, the enclosuring structure main part size should ensure that and can smoothly be put into be measured section of blast hole, treat blast hole again The aperture for surveying section blocks up tight, in order to ensure plugging effect, one layer of elastic construction can be set up on the outside of enclosuring structure main part, Which is smoothly put into by playing together with enclosuring structure main part in be measured section of the explosion, tight effect can be blocked again Really.In the present embodiment, also to be measured section of explosion aperture can be blocked using other closure modes, this is not construed as limiting.
S2, to be measured section of water filling of the blast hole;
Wherein, to be measured section of the blast hole can be to one section of water filling, to detect whether the section is fissure zone development position Put, then water filling detection is carried out to next section again;Can also be while to multistage water filling, to determine fissure zone development position, The present embodiment is not construed as limiting to this.
S3, by the observation of peephole around the blast hole and to be measured section of adjacent observation hole section of the blast hole whether There is aqueous seepage flow.
In the present embodiment, the observation hole section is the hole closed on bored around the explosion hole section in advance, when it is described certain When to be measured section of blast hole is fissure zone development position, the water of to be measured section of the injection explosion will be along fissure zone seepage flow to surrounding Rock mass in, with the extension of fissure zone, seepage flow enters in peephole always, and whether the explosion hole section for observing test by peephole There is aqueous seepage flow, it is possible to easily and effectively determine whether the section is fissure zone development position, can be with according to aqueous leakage Judge the size of fissure zone.
In the present embodiment, as an alternative embodiment, the conduit that will leak hunting pushes to be measured section of blast hole, blocks to be measured section Two ends include:The conduit that leaks hunting is fabricated to the rigid material of hollow structure;Leak hunting on conduit arrange a pair it is axially spaced apart from each other The device of blocking up of certain distance;Leak hunting on conduit, positioned at blocking up some through holes of open up between device described;To be leaked hunting conduit one It is processed into hickey in end;Connecting conduit is increased to which by the hickey;The conduit that leaks hunting of connecting conduit will be connected with Push to be measured section of blast hole.In the present embodiment, by the catheter design of leaking hunting into hollow structure, and open on the conduit that leaks hunting If some through holes, the water filling in be measured section of blast hole can be facilitated, tube at one end is designed to hickey by leaking hunting, and can be used for When the position in blast hole segment distance aperture to be measured it is very deep so that the curtailment of the conduit that leaks hunting being easily put into institute very much When stating blast hole nominative testing position, connecting conduit can be increased by hickey, to be well adapted for be measured section of blast hole Depth.
It is in the present embodiment, as an alternative embodiment, described to block up device for elastomeric bladder;The conduit that will leak hunting pushes explosion To be measured section of hole, to be measured section of two ends of closure include also including:On the conduit that leaks hunting, the second conduit is set;By second conduit One end is connected on gas compressor by solenoid directional control valve;Gas pressure is installed between solenoid directional control valve and second conduit Force transducer, installs flow divider on the second conduit other end;When the conduit that leaks hunting pushes to be measured section of the blast hole Afterwards, gas compressor is opened, by solenoid directional control valve to insufflation gas in second conduit, the gas is by flow divider point Described Zhu Ru not block up in device;When gas injection is a certain amount of, gas compressor is automatically stopped inflation.
In the present embodiment, the device of blocking up is fabricated to into elastomeric bladder, the conduit that leaks hunting can be pushed specified blast hole Duan Shi, then by inflating thereto, to reach the purpose to be measured section of two ends of closure.Because the size of device of blocking up must be more than blast hole Size could the to be measured section of blast hole block, be arranged such, conduit of being easy to leak hunting smoothly pushing and extracting, it is to avoid because Device size of blocking up is more than the blast hole size and can not smoothly be put into the problem of blast hole nominative testing section.
In the present embodiment, second conduit is trachea, and for the pipeline circulated as gas, second conduit can be Rigid line is flexible conduit, is not limited thereto;It is in the present embodiment, described a certain amount of, it is to be full of according to the elastomeric bladder Air pressure setting pressure value, when the pressure sensor monitoring reaches the pressure value to the air pressure in the elastomeric bladder, pressure Force signal is delivered to the electric control gear of gas compressor, and pressure signal is converted into by the analog-digital converter in the electric control gear To electric control gear, electric control gear controls the gas compressor according to the signal and stops inflation electric signal output.
It is in the present embodiment, as another alternative embodiment, described to include to be measured section of water filling of the blast hole:By the company Connect tube at one end to be connected on water injection machine by flexible pipe;Liquid level pressure is set in the flexible pipe between water injection machine and connecting conduit Force transducer;Effusion meter and pressure gauge are installed in connecting conduit;Open water injection machine, the water filling in the conduit that leaks hunting, flow Meter records the water yield of to be measured section of blast hole of injection automatically;When to be measured section of hydraulic pressure of the blast hole reaches certain pressure value, Water injection machine is automatically stopped water filling.
In the present embodiment, the water filling in the conduit that leaks hunting, the effusion meter can record automatically the water of injection with pressure gauge The pressure value of amount and the water for injecting, when the hydraulic pressure injected in to be measured section of the blast hole reaches certain pressure value, according to institute State the hydraulic signal that level pressure sensor monitors to be measured section, electric control gear according to receive through analog digital conversion or water Pressure signal, control water injection machine stop water filling.
Referring to shown in Fig. 2, in the present embodiment, as an alternative embodiment, the observation by around the blast hole Whether hole observation has aqueous seepage flow to include with to be measured section of adjacent observation hole section of the blast hole:Peephole is bored in blast hole periphery 20;Conduit is inserted in the peephole, cable is laid in conduit, be located on one end of peephole depths in conduit and install micro- Type camera 32, one end of the cable is connected with the micro-camera 32, sets the shooting moment of camera;By the cable The other end be connected with the data monitor laid outside peephole;It is after to the water filling 3~5 minutes of to be measured section of a certain blast hole, right The rock mass of the observation hole section adjacent with the blast hole is shot, and by shoot picture by the cable transmission to data Watch-dog.So, just the rock mass face that blast hole depths inconvenience people directly observes can intuitively be observed;By rock mass face Whether aqueous seepage flow is had it may determine that whether the section is fissure zone development position.
In the present embodiment, used as an alternative embodiment, methods described also includes:By the constantly shifting in the blast hole The position of the dynamic conduit that leaks hunting, realizes the detection to blast hole full section fissure zone development position and size.
In the present embodiment, it is described by constantly in the blast hole it is mobile described in leak hunting the position of conduit, it is right to realize The detection of blast hole full section fissure zone development position and size includes:When one section of explosion hole section detection is finished, switch the electricity Magnetic commutation threshold switch, the gas blocked up in device are discharged by second conduit;By the conduit that leaks hunting along blast hole Inwardly or outwardly move to next explosion hole section to be measured, carry out second, the 3rd, so that n-th explosion hole section to be measured Fissure zone detection.So, the detection to blast hole full section fissure zone development position and size just can easily and accurately be realized.
Embodiment two
Fig. 2 is that a kind of fissure zone assay device structures and its application for after directional blasting of embodiments of the invention two are shown It is intended to, referring to shown in Fig. 2, in the present embodiment, the equipment includes:Leak hunting conduit 1, and be axially fixed at the conduit two that leaks hunting The first of end is blocked up and device 2 and second blocks up device 3;Leak hunting on conduit, block up positioned at described first and device 2 and second block up device described Multiple inlet openings 4 are provided between 3;The rigid material pipe that conduit 1 is hollow structure that leaks hunting, in 1 inwall of conduit that leaks hunting Air inlet pipe 5 is fixed with, and institute's air inlet pipe 5 is flexible pipe, flow divider 6, the flow divider 6 is provided with 5 one end of the air inlet pipe Connection first respectively is blocked up and device 2 and second is blocked up device 3, and described first blocks up device 2 and second blocks up device 3 for elastomeric bladder;The survey One end of leakage conduit is provided with interface 7, and connecting conduit 8, the connecting conduit 8 at least two, in institute are connected with the interface 7 State connecting conduit 8 and be provided with water pressure table 10, block up described first and be provided between device 2 and the interface 7 of the conduit that leaks hunting Check valve 16, for preventing aqueous in 1 internal reflux of section conduit that leaks hunting, is also equipped with water ga(u)ge in the connecting conduit 9, to the water yield for recording injection;The equipment also includes:Water injection machine 22, gas compressor 23, level pressure sensor 15, electricity Magnetic reversal valve 14, gas pressure sensor 31 and electric control gear 21;The electric control gear 21 and the water injection machine 22 and gas pressure Contracting machine 23 connects respectively, and the gas outlet of the gas compressor 23 is connected with the air inlet pipe 5, the gas outlet with it is described enter Solenoid directional control valve 14 is provided between trachea 5, gas pressure sensing is provided between the solenoid directional control valve 14 and the air inlet pipe 5 Device 31, blocks up device 2 and the second air pressure blocked up in device 3 for detection first, stops inflation when the air pressure reaches certain value, When need it is mobile described leak hunting position of the conduit 1 in blast hole when, the switch of switching solenoid directional control valve 14 is exhausted;It is described Water injection machine 22 is connected with the connecting conduit 8, and liquid-level pressure sensing is provided between the water injection machine 22 and the connecting conduit 8 Device 15, to the water injection rate for detecting the conduit 1 that leaks hunting.
Referring to shown in Fig. 4, Fig. 6 and Fig. 7, in the present embodiment, as an alternative embodiment, on the conduit that leaks hunting, hoop has the One ring support 27,27 two ends of first annular support are provided with the first baffle 29 of projection, block up for limiting described first The position of device 2,27 annular surface of first annular support are provided with first through hole 30, leaking hunting on 1 inwall of conduit, positioned at The first through hole corresponding position is provided with the second through hole, and the described first device 2 of blocking up is fixed on institute by the first baffle 29 Stating on first annular support 27, blocking up described first and valve inside 28 is provided with device 2, the valve mandrel 28 is axially fixed at institute State in the second through hole and first through hole 30;
On the conduit 1 that leaks hunting, also hoop has the second ring support, and second ring support and thereon parts position are closed System, principle of work and power and the first annular supporting structure and parts position relationship, principle of work and power are identical thereon, mutually can join According to here is just repeated no more.
Referring to shown in Fig. 4 and Fig. 5, in the present embodiment, as another alternative embodiment, described first blocks up in device 2 includes Elastic bag 26, web layer 25 and external protection 24, the interior elastic bag 26 make annular pouch-shaped, hoop using butyl rubber On the first annular support 27, web layer 25 is provided with the outside of which, the web layer 25 is compiled with flexible cotton thread, silk fiber Knit, the external protection adopts natural gum, carbon black, suitable fourth, the stupid mixture of fourth to make, and the external protection is located at web layer 25 Outside;Described second device 3 of blocking up is identical with the described first 2 structure of device of blocking up, can be cross-referenced, and here is just repeated no more.
In the present embodiment, by blocking up device 2 by first and the second device 3 of blocking up is made by interior elastic bag, web layer and outer The three-decker of protective layer composition, while playing a part of to inflate to block to be measured section of blast hole substantially, the outer guarantor of setting Sheath internally elastic bag can be protected, and prevent from being punctured by the debris of explosion hole wall surface, and the web layer effectively can increase The integrally-built intensity of strong described first and second elastomeric bladder.、
Referring to shown in Fig. 2, equipment described in the embodiment of the present invention, can be in proximity around the blast hole in practical application Peephole 20 being set, conduit being inserted in the peephole, penetrating cable to interior, the cable is located at 20 depths of peephole Micro-camera 32 is connected with one end, to shoot to the rock mass around the blast hole test section after water filling, the cable The other end is connected with data monitor 33, the moment that the pre-set micro-camera 32 shoots, when 3~5 points of water filling of beginning The rock mass of the peephole 20 adjacent with the blast hole test section is shot after clock, and the data transfer of the shooting is arrived The data are observed by data monitor 33, if it was observed that there is the pattern of current seepage on the rock mass, it is possible to judge It is fissure zone development position at this.
It should be noted that herein, such as first and second or the like relational terms are used merely to a reality Body or operation are made a distinction with another entity or operation, and are not necessarily required or implied these entities or deposit between operating In any this actual relation or order.And, term " including ", "comprising" or its any other variant are intended to Nonexcludability is included, so that a series of process, method, article or equipment including key elements not only will including those Element, but also including other key elements being not expressly set out, or also include for this process, method, article or equipment Intrinsic key element.In the absence of more restrictions, the key element for being limited by sentence " including ... ", it is not excluded that Also there is other identical element in the process including the key element, method, article or equipment.
Each embodiment in this specification is described by the way of correlation, identical similar portion between each embodiment Divide mutually referring to what each embodiment was stressed is the difference with other embodiment.
The above, the only specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, any Those familiar with the art the invention discloses technical scope in, the change or replacement that can be readily occurred in all are answered It is included within the scope of the present invention.Therefore, protection scope of the present invention should be defined by scope of the claims.

Claims (10)

1. a kind of fissure zone detection method for after directional blasting, it is characterised in that include:
The conduit that will leak hunting pushes to be measured section of blast hole, blocks to be measured section of two ends;
To be measured section of water filling of the blast hole;
Whether there are aqueous with to be measured section of adjacent observation hole section of the blast hole by the peephole observation around the blast hole Seepage flow.
2. method according to claim 2, it is characterised in that the conduit that will leak hunting pushes to be measured section of blast hole, closure To be measured section of two ends include:
The conduit that leaks hunting is fabricated to the rigid material of hollow structure;
Leak hunting on conduit arrange a pair certain distances axially spaced apart from each other device of blocking up;
Leak hunting on conduit, positioned at blocking up some through holes of open up between device described;
The tube at one end that will leak hunting is processed into hickey;
Connecting conduit is increased to which by the hickey;
The conduit that leaks hunting for being connected with connecting conduit is pushed into be measured section of blast hole.
3. method according to claim 2, it is characterised in that described to block up device for elastomeric bladder;
The conduit that will leak hunting pushes to be measured section of blast hole, and to be measured section of two ends of closure include also including:
On the conduit that leaks hunting, the second conduit is set;
Second tube at one end is connected on gas compressor by solenoid directional control valve;
Gas pressure sensor is installed between solenoid directional control valve and second conduit, is pacified on the second conduit other end Dress flow divider;
After the conduit that leaks hunting pushes to be measured section of the blast hole, gas compressor is opened, by solenoid directional control valve to described Insufflation gas in second conduit, the gas are injected separately into described blocking up in device by flow divider;
When gas injection is a certain amount of, gas compressor is automatically stopped inflation.
4. method according to claim 1, it is characterised in that described to include to be measured section of water filling of the blast hole:
Described connecting conduit one end is connected on water injection machine by flexible pipe;
In flexible pipe between water injection machine and connecting conduit, level pressure sensor is set
Effusion meter and pressure gauge are installed in connecting conduit;
Water injection machine is opened, the water yield of to be measured section of blast hole of injection is recorded in the water filling in the conduit that leaks hunting, effusion meter automatically;
When to be measured section of hydraulic pressure of the blast hole reaches certain pressure value, water injection machine is automatically stopped water filling.
5. method according to claim 1, it is characterised in that the peephole observation by around the blast hole with Whether the adjacent observation hole section of to be measured section of the blast hole has aqueous seepage flow to include:
Peephole is bored in blast hole periphery;
Conduit is inserted in the peephole, cable is laid in conduit, be located on one end of peephole depths in conduit and install Micro-camera, one end of the cable is connected with the micro-camera, sets the shooting moment of camera;
The other end of the cable is connected with the data monitor laid outside peephole;
After to the water filling 3~5 minutes of to be measured section of a certain blast hole, the rock mass of the observation hole section adjacent with the blast hole is carried out Shoot, and by shoot picture by the cable transmission to data monitor.
6. according to the arbitrary described method of claim 1 to 5, it is characterised in that methods described also includes:
By constantly in the blast hole conduit that leaks hunting position, realize to the development of blast hole full section fissure zone Position and the detection of size.
7. method according to claim 6, it is characterised in that it is described by constantly in the blast hole it is mobile described Leak hunting the position of conduit, realize including the detection of blast hole full section fissure zone development position and size:
When one section of explosion hole section detection is finished, switch the electromagnetic switch threshold switch, the gas blocked up in device passes through institute State the discharge of the second conduit;
The conduit that leaks hunting inwardly or outwardly is moved to into next explosion hole section to be measured along blast hole, carry out second, Three, so that n-th explosion hole section to be measured fissure zone detection.
8. a kind of fissure zone testing equipment for after directional blasting, is applied in the method described in claim 1 to 7, and which is special Levy and be, including:Leak hunting and conduit and be axially fixed at described leaking hunting and the first of conduit two ends block up and device and second block up device; It is described to leak hunting on conduit, block up positioned at described first and device and second blocking up multiple inlet openings of be provided between device;The conduit that leaks hunting For the rigid material pipe of hollow structure, air inlet pipe is fixed with the pipe inner wall that leaks hunting, institute's air inlet pipe is flexible pipe, Described air inlet pipe one end is provided with flow divider, and the flow divider connects first respectively blocks up and device and second block up device, and described first blocks up Mouthpart and second device is blocked up for elastomeric bladder;One end of the conduit that leaks hunting is provided with interface, is connected with connecting conduit on the interface, The connecting conduit at least two, is provided with water pressure table in the connecting conduit, blocks up device and the survey described first Check valve is provided between the interface of leakage conduit;Water ga(u)ge is also equipped with the connecting conduit;
Also include:Water injection machine, gas compressor, level pressure sensor, solenoid directional control valve, gas pressure sensor and automatically controlled dress Put;The electric control gear is connected respectively with the water injection machine and gas compressor, the gas outlet of the gas compressor with it is described Air inlet pipe connect, be provided with solenoid directional control valve between the gas outlet and the air inlet pipe, the solenoid directional control valve with it is described Gas pressure sensor is provided between air inlet pipe, is blocked up device and the second air pressure blocked up in device for detection first, when the gas Stop inflation when pressure reaches certain value, when need it is mobile it is described leak hunting conduit when, switch electromagnetic switch threshold switch and be exhausted;Institute State water injection machine to be connected with the connecting conduit, level pressure sensor is provided between the water injection machine and the connecting conduit, To the water injection rate for detecting the conduit that leaks hunting.
9. equipment according to claim 8, it is characterised in that hoop has first annular support on the conduit that leaks hunting, described First annular support two ends are provided with the first baffle of projection, and the first annular support annular surface is provided with first through hole, Leaking hunting on pipe inner wall, the second through hole being provided with positioned at the first through hole corresponding position, described first blocks up device by institute State first baffle to be fixed on the first annular support, block up described first and valve inside, the valve mandrel are provided with device To being fixed in second through hole and first through hole;
On the conduit that leaks hunting, hoop has the second ring support, and the second ring support two ends are provided with the second baffle of projection, institute State the second ring support annular surface and be provided with third through-hole, leaking hunting on pipe inner wall, positioned at corresponding with the third through-hole It is provided with fourth hole at position, the described second device of blocking up is fixed on second ring support by the second baffle, Described second device of blocking up is provided with valve inside, and second valve inside blocked up on device is axially fixed at the third through-hole and In four through holes, the end face diameter maximum of the first baffle and second baffle should ensure that the water block device can smoothly be positioned over explosion Kong Zhong.
10. equipment according to claim 8 or claim 9, it is characterised in that the described first device of blocking up includes interior elastic bag, knits Stratum reticulare and external protection, the web layer are located between the elastic bag and the external protection, and the interior elastic bag is adopted Annular pouch-shaped is made with butyl rubber, is bound round on the first annular support, the web layer is compiled with flexible cotton thread, silk fiber Knit, the external protection adopts natural gum, carbon black, along fourth, the stupid making of fourth, the web layer are fixed in the external protection Side;
Described second device of blocking up includes interior elastic bag, web layer and external protection, and the web layer is located at the elastic bag Between the external protection, the interior elastic bag makes annular pouch-shaped using butyl rubber, binds round annular in described second On support, the web layer flexible cotton thread, silk fiber braiding, the external protection adopt natural gum, and carbon black, suitable fourth, fourth are stupid Make, the web layer is fixed on the inside of the external protection.
CN201710048471.3A 2017-01-20 2017-01-20 Method and device for detecting fissure zone produced after directional blasting Pending CN106680279A (en)

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