CN209560096U - A kind of fixed device of the microseism wave detector based on level pressure slip casting principle - Google Patents

Abstract

The utility model discloses a kind of, and the microseism wave detector based on level pressure slip casting principle fixes device, including microseismic signals acquisition stocking system, novel level pressure grouting bag fixed system, level pressure closed system and dynamical system；The device provides power by the dynamical system, and plasma liquid is injected in the novel level pressure grouting bag fixed system, realizes " package " effect to wave detector and the supporting role to coal and rock by " expansion " of pouch.The utility model proposes the concept that microseism wave detector is fixed using novel level pressure grouting bag and level pressure valve by design, solve Microseismic monitoring system wave detector with to install the degree of packing in conjunction with medium poor, the problem of stability difference realizes microseism wave detector in Underground High-strength degree, the lasting seismic stability of repetition " big gun is adopted " process.Simultaneously as the supporting role of novel level pressure grouting bag, can also effectively prevent wave detector from installing the damage problem that " collapse hole " problem to drill under high-intensitive shock effect causes wave detector.To greatly improve the monitoring accuracy of a whole set of Microseismic monitoring system and use life cycle.

Description

A kind of fixed device of the microseism wave detector based on level pressure slip casting principle

Technical field

The utility model is based on underground coal mine coal rock dynamic disaster On Microseismic Monitoring Technique research field, proposes one kind and is based on The fixed device of the microseism wave detector of level pressure slip casting principle.

Background technique

Coal mine is unavoidable to be tunneled using blasting method during subsurface excavation, and the huge punching of explosion moment Coal and rock primitive stress balance can seriously be destroyed by hitting destruction, and large area crack is generated inside coal and rock and is gradually bred, sternly The serious coal rock dynamic disasters such as coal body extrusion, coal wall caving even coal and gas prominent are even caused when weight.Therefore, using having Effect, reasonable method to coal and rock inside unstability, self adjustment, the process that stabilizes and destroy is monitored seems especially It is necessary.Adopt multi-sources, the multistage seismic waves such as focus coal petrography caused by exploitation and its exploitation effect rupture of seismic wave combine and At, contain the precursor information of underground coal rock dynamic disaster, in coal bearing seams propagate and constantly decay.It is attached effectively to obtain focus Monitoring signals in close and coal bearing seams communication process, for microseism, the method for this contactless monitoring coal rock dynamic disaster is non- It is often important.As the saying goes " a workman must first sharpen his tools if he is to do his work well ", in mine microquake monitoring system, except wave detector sensitivity with Outside, contact consolidation degree and seismic stability of the wave detector with coal and rock are also the weight for obtaining effective high quality micro seismic monitoring signal Want premise.

Currently, mine microquake monitoring system is usually punched using in coal seam and rock stratum, wave detector is mounted on roadway's sides coal In layer and rockhole, end is fixed using anchoring resin with coal petrography.And during underground coal mine big gun is adopted, bring is huge Big shock effect can seriously affect the consolidation degree between wave detector and coal and rock, when vibration influence is excessive or duplicate Big gun is adopted under active action, and the phenomenon that with coal and rock " falling off " even occurs in wave detector, seriously affects the matter of wave detector signal acquisition Amount in turn results in a large amount of valuable monitoring informations and loses.The generation of such phenomenon in order to prevent, enables wave detector to capture Better quality, the higher micro seismic monitoring signal of value, the practicability to improve a whole set of Microseismic monitoring system, have developed a kind of base In the fixed device of the microseism wave detector of level pressure slip casting principle, it can effectively improve and be contacted between microseism wave detector and coal and rock The degree of packing and the stability in the case where repeating high-intensitive vibration, to further increase the practicability of a whole set of Microseismic monitoring system.

Utility model content

The purpose of the utility model is to overcome microseismic signals wave detectors in mine microquake monitoring system and coal rock medium knot The degree of packing, the status of seismic stability difference are closed, a kind of fixed device of the microseism wave detector based on level pressure slip casting principle is proposed.This Utility model proposes the concept that microseism wave detector is fixed using novel level pressure grouting bag and level pressure valve by design, solves Microseismic monitoring system wave detector with install that the degree of packing in conjunction with medium is poor, the problem of stability difference realizes microseism wave detector and exists Underground High-strength degree, the lasting seismic stability for repeating " big gun is adopted " process.Simultaneously as the support of novel level pressure grouting bag is made With can also effectively prevent wave detector from installing the damage that " collapse hole " problem under high-intensitive shock effect of drilling causes wave detector Bad problem.

To achieve the goals above, the technical scheme adopted by the utility model is

A kind of fixed device of microseism wave detector based on level pressure slip casting principle, including it is microseismic signals acquisition stocking system, new Type level pressure grouting bag fixed system, level pressure closed system and dynamical system；The device provides power by the dynamical system, Plasma liquid is injected in the novel level pressure grouting bag fixed system, is realized by " expansion " of pouch to wave detector " package " effect and the supporting role to coal and rock.

The microseismic signals acquisition stocking system includes microseismic signals wave detector, fiber-optic signal line, the acquisition of paladin data System, wherein microseismic signals wave detector is connect by fiber-optic signal line with paladin data collection system, microseismic signals detection The microseismic signals that device captures are transferred to paladin data collection system by fiber-optic signal line, finally adopt in paladin data Conversion and storage of the electric signal to digital signal are realized in collecting system.

The novel level pressure grouting bag fixed system includes grouting bag, plasma liquid, Grouting Pipe a, Grouting Pipe b, note Starch pipe c, voltage-stablizer, wherein plasma liquid is injected in grouting bag by Grouting Pipe, realizes " expansion " of pouch, voltage-stablizer master Will be used to keep grouting bag to be consistent with Grouting Pipe plasma hydraulic coupling, using inject plasma liquid splendid conduction, Shake ability is passed, to assist wave detector to capture the more excellent micro seismic monitoring signal of quality.

The level pressure closed system includes level pressure valve, connecting line, electronic pressure gage, wherein level pressure valve and pressure gauge Between be connected using connecting line, when pressure gauge reaches predetermined set pressure, by connecting line to level pressure valve issue signal Open and close valve realizes the sealing of Grouting Pipe.

The dynamical system includes slip casting connecting tube, grouting pump, plasma liquid storage bottle, plasma fluid catheter, wherein slip casting Connecting tube is used to connect Grouting Pipe and grouting pump, and plasma liquid, which is injected by the grouting pressure that grouting pump provides by Grouting Pipe, to be infused Starch pouch.

The utility model has the beneficial effects that

1, the utility model is for that in practical mine microquake monitoring system, can effectively improve Microseismic monitoring system capture Monitor signal quality, and then available more valuably monitoring information.

2, the utility model design, which is proposed using novel level pressure grouting bag and level pressure valve, fixes microseism wave detector Concept, greatly improve contact consolidation degree and its seismic stability of the wave detector with coal and rock.

3, the utility model design uses the supporting role of novel level pressure grouting bag, to effectively prevent wave detector to install brill " collapse hole " problem of hole under high-intensitive shock effect causes the damage problem of wave detector, to improve a whole set of micro seismic monitoring system The use life cycle of system

4, the utility model design each component of device is easy to make, and structure is simple, engineering use value with higher.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model；

Fig. 2 is the structural schematic diagram of the utility model level pressure grouting bag and level pressure valve；

Fig. 3 is the novel level pressure grouting bag top view of the utility model；

In figure: 1-coal and rock；2-grouting bags；3-plasma liquid；4-Grouting Pipe a；5-voltage-stablizers；6-constant pressure valves Door；7-electronic pressure gages；8-grouting pumps adapter tube；9-grouting pumps；10-plasma liquid storage bottles；The acquisition of 11-paladin data System；12-signal wire joints；13-fiber-optic signal lines；14-wave detectors；15-connecting lines；16-Grouting Pipe b；17-slip castings Pipe c；18-plasma fluid catheters.

Specific embodiment

With reference to the accompanying drawing, specific embodiment of the present utility model is further described.

As shown in Figures 1 to 3, the fixed device of a kind of microseism wave detector based on level pressure slip casting principle, including microseismic signals are adopted Collect stocking system, novel level pressure grouting bag fixed system, level pressure closed system and dynamical system；Wherein, microseismic signals acquire Stocking system and novel level pressure grouting bag fixed system constitute the main part, described of the fixed device of a whole set of microseism wave detector It includes microseismic signals wave detector 14, fiber-optic signal line 13, paladin data collection system 11 that microseismic signals, which acquire stocking system,； The novel level pressure grouting bag fixed system includes grouting bag 2, plasma liquid 3, Grouting Pipe a4, Grouting Pipe b, 16 Grouting Pipes C17, voltage-stablizer 5；Firstly, microseismic signals wave detector 14 is put into the grouting bag 2 of unimplanted plasma liquid 3, using can stretch The drilling hole bottom in coal and rock 1 that contracting bar has constructed above-mentioned apparatus in advance, 13 one end of fiber-optic signal line and microseism wave detector 14 It is connected, one end is connected by signal wire joint 12 with paladin data collection system 11, finally, using voltage-stablizer 5 by Grouting Pipe A1 is connected with Grouting Pipe b16.

The level pressure closed system includes level pressure valve 6, connecting line 15, electronic pressure gage 7；Using connecting line 15 by level pressure Valve 6 and 7 lead of electronic pressure gage connect, and are connected Grouting Pipe b16 with Grouting Pipe c17 using it.

The dynamical system includes slip casting connecting tube 8, grouting pump 9, plasma liquid storage bottle 10, plasma fluid catheter 18；Benefit Grouting Pipe c17 and grouting pump 9 are connected with slip casting connecting tube 8, plasma liquid 3 is injected by slip casting by the power that grouting pump 9 provides In pouch, finally, electronic pressure gage 7 can produce when injection 3 pressure of plasma liquid reaches the 7 preset pressure upper limit of electronic pressure gage Raw electric current simultaneously passes to level pressure valve 6 by connecting line 15, realizes the closing of level pressure valve 6, keeps grouting bag 2 to be in and stablize Preset pressure state.

The above is only the preferred embodiment of the utility model only, is not limitation with the utility model, all at this Made any modifications, equivalent replacements, and improvements within the spirit and principle of utility model such as changes slip casting liquid, changes slip casting Bladder material etc., should be included within the scope of protection of this utility model.

Claims (5)

1. a kind of fixed device of microseism wave detector based on level pressure slip casting principle, including it is microseismic signals acquisition stocking system, novel Level pressure grouting bag fixed system, level pressure closed system and dynamical system；It is characterized by: the device passes through the dynamical system Power is provided, plasma liquid is injected in the novel level pressure grouting bag fixed system.

2. the fixed device of a kind of microseism wave detector based on level pressure slip casting principle according to claim 1, it is characterised in that: Microseismic signals acquisition stocking system includes microseismic signals wave detector, fiber-optic signal line, paladin data collection system, In, microseismic signals wave detector is connected with fiber-optic signal line left end, and paladin data collection system passes through signal wire joint and optical fiber The connection of signal wire right end.

3. the fixed device of a kind of microseism wave detector based on level pressure slip casting principle according to claim 1, it is characterised in that: The novel level pressure grouting bag fixed system includes grouting bag, plasma liquid, Grouting Pipe a, Grouting Pipe b, Grouting Pipe c, surely Depressor, the left end Grouting Pipe a are connected with grouting bag, and right end is connected with voltage-stablizer, the left end Grouting Pipe b be connected with voltage-stablizer right end with Level pressure closed system is connected, and the left end Grouting Pipe c is connected with level pressure closed system, and right end is connected with dynamical system.

4. the fixed device of a kind of microseism wave detector based on level pressure slip casting principle according to claim 2, it is characterised in that: The level pressure closed system includes level pressure valve, connecting line, electronic pressure gage, wherein is utilized between level pressure valve and pressure gauge Connecting line is connected.

5. the fixed device of a kind of microseism wave detector based on level pressure slip casting principle according to claim 2, it is characterised in that: The dynamical system includes slip casting connecting tube, grouting pump, plasma liquid storage bottle, wherein slip casting connecting tube is used to connect Grouting Pipe And grouting pump, the bottom of grouting pump are embedded in plasma liquid storage bottle top.