CN109883593A - A kind of coal mine rock burst monitoring warning device - Google Patents
A kind of coal mine rock burst monitoring warning device Download PDFInfo
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- CN109883593A CN109883593A CN201910199363.5A CN201910199363A CN109883593A CN 109883593 A CN109883593 A CN 109883593A CN 201910199363 A CN201910199363 A CN 201910199363A CN 109883593 A CN109883593 A CN 109883593A
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- valve body
- wall
- stress meter
- push
- outer valve
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Abstract
The present invention provides a kind of coal mine rock burst monitoring warning device, including being installed on the stress meter of drilling and the connecting line being connected on the outside of the stress meter, it is characterised in that: further include outer valve body and push-pull rod；The outer wall of the stress meter is connected to the inner wall of the outer valve body by elastic telescopic mechanism；The stress meter is in contact with the push-pull rod；The push-pull rod is sheathed on the outside of the connecting line, and the outer wall of the push-pull rod is connected to the inner wall of the outer valve body by rod piece, and the outer diameter of the push-pull rod is less than the outer diameter of stress meter.The problem of present invention solves the stress meter in the prior art that can be reused and cannot sufficiently be bonded with borehole wall, causes monitoring accuracy low and can not continuously monitor.
Description
Technical field
The present invention relates to coal mine ground pressure monitoring technical fields, specifically, more particularly to a kind of coal mine rock burst monitoring
Prior-warning device.
Background technique
Bump is coal and rock around stope, when its mechanical balance state is destroyed, due to the moment of elastic deformation energy
Discharge and generate it is a kind of by suddenly, sharply, fiercely destroy characterized by dynamic phenomenon.Bump is a kind of special mine pressure
Power shows.It shows strength characteristic and is generally weak impact, thump, ejection, mine shake, rock burst, coal big gun, shock wave, elastic vibration
Deng, be often accompanied by coal and rock dish out, loud noise and phenomena such as blast；Its generation is violent suddenly, and shock wave strength is huge, and moment destroys lane
Road, coal working face and equipment, wound hit personnel.Therefore, press impact progress monitoring and warning extremely important, method mainly has:
Heuristic methods, drilling cuttings method and ore pressure monitor method, wherein Mine Monitoring method is most commonly used.
However coal mine ground pressure monitoring device in the prior art has many flaws in actual use, such as:
Currently, the mine pressure monitoring device generallyd use, often first helps construction to bore using drilling machine in back or two
Then hole installs stress meter to drilling, the connecting line external end head of stress meter connection is installed to the corresponding instrument outside drilling
On, mine pressure is monitored, achievees the effect that press impact progress early-warning and predicting, but stress meter is contradicted using rod piece
Installation can not take out to after drilling, cause waste.
A kind of coal mine prevention and treatment bump prior-warning device (CN207701179U) is disclosed in the prior art, and use is stretched
Borehole stressmeter insertion foot of hole is used to detect the variation of mine pressure by contracting bar, and mine pressure situation of change is shown by stress
Show that table is shown, since the outer diameter of stress meter is less than the aperture of drilling, reuse can be extracted after monitoring, is not only saved
Cost, while achieving the effect that monitoring and warning bump, but its stress meter being related to cannot be sufficiently bonded with borehole wall
It is difficult to the accurate variation for reflecting mine pressure in time, and the device cannot reach to be fixedly mounted in top plate drilling and press mine
The effect that power continuously monitors.
Summary of the invention
It cannot be sufficiently bonded with borehole wall according to the stress meter set forth above that can be reused, cause to monitor accuracy
It is low and the technical issues of can not continuously monitor, and a kind of coal mine rock burst monitoring warning device is provided.Stress meter in the present invention
Periphery is connected with outer valve body by elastic extension structure, and outer valve body can be formed with drill hole inner wall and is in close contact, and stress
Meter can swimmingly be extracted from drilling and realize recycling.
The technological means that the present invention uses is as follows:
A kind of coal mine rock burst monitoring warning device, including being installed on the stress meter of drilling and being connected to the stress meter
The connecting line in outside further includes outer valve body and push-pull rod；The outer wall of the stress meter is connected to institute by elastic telescopic mechanism
State the inner wall of outer valve body；The stress meter is in contact with the push-pull rod；The push-pull rod is sheathed on the outside of the connecting line,
The outer wall of the push-pull rod is connected to the inner wall of the outer valve body by rod piece, and the outer diameter of the push-pull rod is less than the stress
The outer diameter of meter.
Further, the elastic telescopic mechanism includes sleeve, pillar and spring；The sleeve and the pillar are solid respectively
Due to the inner wall of the outer valve body and the outer wall of the stress meter, the sleeve and the pillar are socketed；The both ends of the spring
It is connected to the inner wall of the outer valve body and the outer wall of the stress meter, the spring pocket is set to the sleeve and described convex
The outside of column.
Further, the outer valve body is respectively set above and below the stress meter；The outer valve body with
Two rows of elastic telescopic mechanisms are at least evenly arranged between the stress meter, the quantity of elastic telescopic mechanism described in every row is at least
It is five.
Further, the rod piece includes first connecting rod and the second connecting rod, the first connecting rod and described second
One end of connecting rod passes through the outer wall that ear mount is rotationally connected with the push-pull rod respectively, and the first connecting rod and described second connect
The other end of extension bar passes through the inner wall that ear mount is rotationally connected with the outer valve body respectively.
Further, between the position that the first connecting rod and second connecting rod are connected with the outer valve body
Distance be equal to the distance between the position that is connected with the push-pull rod.
Further, the outer diameter of the outer valve body is equal to the aperture of drilling.
Further, the equal position in position that the first connecting rod and second connecting rod are connected with the outer valve body
In on the middle line of the outer valve body.
Further, screw thread is arranged in the push-pull rod bottom.
Compared with the prior art, the invention has the following advantages that
Coal mine rock burst monitoring warning device provided by the invention, stress meter periphery are connected with by elastic extension structure
Outer valve body is supported stress meter to bore inner using push-pull rod, and outer valve body can be formed with drill hole inner wall and is in close contact,
The variation of mine pressure is transferred in stress meter by outer valve body by elastic telescopic mechanism in time, and makes stress
Meter can be fixedly mounted in vertical top plate drilling for the continuous accurate monitoring to mine pressure；When monitoring terminates
Afterwards, outer valve body may be implemented by outer drawing push-pull rod heart direction is shunk and swimmingly extracted from drilling with meeting thereto, reach
To the recycling of stress meter, the effect of cost is greatlyd save.
To sum up, the stress meter periphery that applies the technical scheme of the present invention by elastic extension structure is connected with outer valve body, outside
Valve body can be formed with drill hole inner wall and is in close contact, and stress meter can swimmingly be extracted from drilling and realize recycling.
Therefore, technical solution of the present invention solve the stress meter in the prior art that can be reused cannot be abundant with borehole wall
Fitting, the problem of causing monitoring accuracy low and can not continuously monitor.
The present invention can be widely popularized in fields such as coal mine ground pressure monitorings based on the above reasons.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to do simply to introduce, it should be apparent that, the accompanying drawings in the following description is this hair
Bright some embodiments for those of ordinary skill in the art without any creative labor, can be with
It obtains other drawings based on these drawings.
Fig. 1 is coal mine rock burst monitoring warning device structural schematic diagram of the present invention.
Fig. 2 is coal mine rock burst monitoring warning device structural schematic diagram of the present invention.
Fig. 3 is coal mine rock burst monitoring warning device diagrammatic cross-section of the present invention.
Fig. 4 is the portion A enlarged structure schematic diagram in Fig. 3.
In figure: 1, stress meter；2, outer valve body；21, sleeve；22, pillar；23, spring；3, push-pull rod；31, the first connection
Bar；32, the second connecting rod；4, connecting line.
Specific embodiment
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the present invention can phase
Mutually combination.The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is only
It is only a part of the embodiment of the present invention, instead of all the embodiments.It is real to the description of at least one exemplary embodiment below
It is merely illustrative on border, never as to the present invention and its application or any restrictions used.Based on the reality in the present invention
Example is applied, every other embodiment obtained by those of ordinary skill in the art without making creative efforts all belongs to
In the scope of protection of the invention.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to exemplary embodiments of the present invention.As used herein, unless the context clearly indicates otherwise, otherwise singular
Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or their combination.
Unless specifically stated otherwise, positioned opposite, the digital table of the component and step that otherwise illustrate in these embodiments
It is not limited the scope of the invention up to formula and numerical value.Simultaneously, it should be clear that for ease of description, each portion shown in attached drawing
The size divided not is to draw according to actual proportionate relationship.Technology known for person of ordinary skill in the relevant, side
Method and equipment may be not discussed in detail, but in the appropriate case, and the technology, method and apparatus should be considered as authorizing explanation
A part of book.In shown here and discussion all examples, appointing should be construed as merely illustratively to occurrence, and
Not by way of limitation.Therefore, the other examples of exemplary embodiment can have different values.It should also be noted that similar label
Similar terms are indicated in following attached drawing with letter, therefore, once it is defined in a certain Xiang Yi attached drawing, then subsequent attached
It does not need that it is further discussed in figure.
In the description of the present invention, it is to be understood that, the noun of locality such as " front, rear, top, and bottom, left and right ", " it is laterally, vertical,
Vertically, orientation or positional relationship indicated by level " and " top, bottom " etc. is normally based on orientation or position shown in the drawings and closes
System, is merely for convenience of description of the present invention and simplification of the description, in the absence of explanation to the contrary, these nouns of locality do not indicate that
It must have a particular orientation or be constructed and operated in a specific orientation with the device or element for implying signified, therefore cannot manage
Solution is limiting the scope of the invention: the noun of locality " inside and outside " refers to inside and outside the profile relative to each component itself.
For ease of description, spatially relative term can be used herein, as " ... on ", " ... top ",
" ... upper surface ", " above " etc., for describing such as a device shown in the figure or feature and other devices or spy
The spatial relation of sign.It should be understood that spatially relative term is intended to comprising the orientation in addition to device described in figure
Except different direction in use or operation.For example, being described as if the device in attached drawing is squeezed " in other devices
It will be positioned as " under other devices or construction after part or construction top " or the device of " on other devices or construction "
Side " or " under its device or construction ".Thus, exemplary term " ... top " may include " ... top " and
" in ... lower section " two kinds of orientation.The device can also be positioned with other different modes and (is rotated by 90 ° or in other orientation), and
And respective explanations are made to the opposite description in space used herein above.
In addition, it should be noted that, limiting components using the words such as " first ", " second ", it is only for be convenient for
Corresponding components are distinguished, do not have Stated otherwise such as, there is no particular meanings for above-mentioned word, therefore should not be understood as to this
The limitation of invention protection scope.
Embodiment 1
As shown in Figs 1-4, the present invention provides a kind of coal mine rock burst monitoring warning devices, including being installed on drilling
Stress meter 1 and the connecting line 4 for being connected to 1 outside of stress meter, the external end head of the connecting line 4 are connected with for showing stress
The instrument of numerical value；The monitoring warning device further includes outer valve body 2 and push-pull rod 3；The outer wall of the stress meter 1 passes through elasticity
Telescoping mechanism is connected to the inner wall of the outer valve body 2；The stress meter 1 is in contact with the push-pull rod 3；The push-pull rod 3
It is sheathed on 4 outside of connecting line, the outer wall of the push-pull rod 3 is connected to the inner wall of the outer valve body 2 by rod piece, described
The outer diameter of push-pull rod 3 is less than the outer diameter of the stress meter 1；Stress meter 1 is supported to bore inner using push-pull rod 3, outer valve
Body 2 can be formed with drill hole inner wall and is in close contact, and enabled outer valve body 2 in time by the variation of mine pressure and passed through elasticity
Telescoping mechanism is transferred in stress meter 1, and pressure change is transmitted to display instrument by connecting line 4 by stress meter 1, so that stress meter
1 can be fixedly mounted on for the continuous accurate monitoring to mine pressure in vertical top plate drilling, after monitoring,
By outer drawing push-pull rod 3, the contraction of heart direction is suitable from drilling to meet thereto by the outer valve body 2 of rod piece realization for push-pull rod 3
It freely extracts, achievees the effect that stress meter recycles.
Further, the elastic telescopic mechanism includes sleeve 21, pillar 22 and spring 23；The sleeve 21 and described convex
Column 22 is individually fixed in 22 sets of the inner wall of the outer valve body 2 and the outer wall of the stress meter 1, the sleeve 21 and the pillar
It connects；23 both ends of spring are connected to the inner wall of the outer valve body 2 and the outer wall of the stress meter 1, the spring 23
It is sheathed on the outside of the sleeve 21 and the pillar 22；After installing stress meter 1, action of underground is in outer valve body 2
It on outer wall, is transferred on stress 1 by spring 23, achievees the effect that monitor mine pressure, after monitoring, outer drawing is pushed away
When drawing 3, outer 2 compressed spring 23 of valve body, which is realized, shrinks, due to the socket of sleeve 21 and pillar 22, enable spring 23 from
Failure by shear.
Further, the outer valve body 2 is respectively set above and below the stress meter 1；The outer valve body 2
Two rows of elastic telescopic mechanisms, the quantity of elastic telescopic mechanism described in every row are at least evenly arranged between the stress meter 1
At least five；For guaranteeing that mine pressure can be transferred uniformly into stress meter 1, convenient for accurate detection pressure.
Further, the rod piece includes first connecting rod 31 and the second connecting rod 32, the first connecting rod 31 and institute
The one end for stating the second connecting rod 32 passes through the outer wall that ear mount is rotationally connected with the push-pull rod 3, the first connecting rod 31 respectively
Pass through the inner wall that ear mount is rotationally connected with the outer valve body 2 respectively with the other end of second connecting rod 32；When outer drawing pushes away
When pull rod 3, pulling force is applied by the external valve body 2 synchronous with the second connecting rod 32 of first connecting rod 31, is provided along 23 side of spring
To component, enable the whole uniform shrinkage of outer valve body 2.
Further, the position that the first connecting rod 31 and second connecting rod 32 are connected with the outer valve body 2
The distance between set the distance between the position for being equal to and being connected with the push-pull rod 3；For further ensuring that outer valve body 2
Whole uniform synchronous, in order to swimmingly be extracted from drilling after the completion of monitoring.
Further, the outer diameter of the outer valve body 2 is equal to the aperture of drilling；So that passing through shell after mount stress meter 1
Frictional force between valve body 2 and borehole wall meets the not outer effect altered of fixed stress meter 1, at the same can it is accurate in time delicately
Detect the variation of mine pressure.
Further, the position that the first connecting rod 31 and second connecting rod 32 are connected with the outer valve body 2
It sets and is respectively positioned on the middle line of the outer valve body 2；It is further ensured that the uniform shrinkage of outer valve body 2.
Further, screw thread is arranged in 3 bottom of push-pull rod；It, can be by passing through screw thread in push-pull rod bottom when installation
It connects other rod pieces and meets the demand being installed on stress meter 1 in deeper drilling.
Working principle: when using coal mine rock burst monitoring warning device of the present invention, stress meter 1 is supported to drilling
Behind inside, action of underground is transferred on stress 1 on the outer wall of outer valve body 2 by spring 23, and stress meter 1 will press
Power variation is transmitted to display instrument by connecting line 4, after monitoring, when outer drawing push-pull rod 3, passes through first connecting rod
31 external valve bodies 2 synchronous with the second connecting rod 32 apply pulling force, the component along 23 direction of spring are provided, so that outer valve body 2
Compressed spring 23 realizes whole uniform shrinkage, has reached the effect swimmingly extracted from drilling.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (8)
1. a kind of coal mine rock burst monitoring warning device, including being installed on the stress meter of drilling and being connected to outside the stress meter
The connecting line of side, it is characterised in that: further include outer valve body and push-pull rod；
The outer wall of the stress meter is connected to the inner wall of the outer valve body by elastic telescopic mechanism；The stress meter with it is described
Push-pull rod is in contact；
The push-pull rod is sheathed on the outside of the connecting line, and the outer wall of the push-pull rod is connected to the outer valve body by rod piece
Inner wall, the outer diameter of the push-pull rod is less than the outer diameter of the stress meter.
2. coal mine rock burst monitoring warning device according to claim 1, which is characterized in that the elastic telescopic mechanism
Including sleeve, pillar and spring；
The sleeve and the pillar are individually fixed in the inner wall of the outer valve body and the outer wall of the stress meter, the sleeve
It is socketed with the pillar；
The both ends of the spring is connected to the inner wall of the outer valve body and the outer wall of the stress meter, and the spring pocket is set to
The outside of the sleeve and the pillar.
3. coal mine rock burst monitoring warning device according to claim 2, which is characterized in that above the stress meter and
It is respectively arranged below the outer valve body；It is at least evenly arranged described in two rows between the outer valve body and the stress meter
The quantity of elastic telescopic mechanism, elastic telescopic mechanism described in every row is at least five.
4. coal mine rock burst monitoring warning device according to claim 3, which is characterized in that the rod piece includes first
One end of connecting rod and the second connecting rod, the first connecting rod and second connecting rod is rotationally connected with by ear mount respectively
The other end of the outer wall of the push-pull rod, the first connecting rod and second connecting rod is rotationally connected with by ear mount respectively
The inner wall of the outer valve body.
5. coal mine rock burst monitoring warning device according to claim 4, which is characterized in that the first connecting rod and
The distance between position that second connecting rod is connected with the outer valve body is equal to the position being connected with the push-pull rod
The distance between set.
6. coal mine rock burst monitoring warning device according to claim 1, which is characterized in that outside the outer valve body
Diameter is equal to the aperture of drilling.
7. coal mine rock burst monitoring warning device according to claim 5, which is characterized in that the first connecting rod and
The position that second connecting rod is connected with the outer valve body is respectively positioned on the middle line of the outer valve body.
8. coal mine rock burst monitoring warning device according to claim 1, which is characterized in that the push-pull rod bottom is set
Set screw thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910199363.5A CN109883593B (en) | 2019-03-15 | 2019-03-15 | Coal mine rock burst monitoring and early warning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910199363.5A CN109883593B (en) | 2019-03-15 | 2019-03-15 | Coal mine rock burst monitoring and early warning device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109883593A true CN109883593A (en) | 2019-06-14 |
| CN109883593B CN109883593B (en) | 2021-04-06 |
Family
ID=66932614
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910199363.5A Active CN109883593B (en) | 2019-03-15 | 2019-03-15 | Coal mine rock burst monitoring and early warning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109883593B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110307927A (en) * | 2019-07-22 | 2019-10-08 | 安徽马钢张庄矿业有限责任公司 | A kind of mining engineering pressure detection mechanism |
| CN111912551A (en) * | 2020-07-16 | 2020-11-10 | 嘉兴学院 | High-stability monocrystalline silicon pressure sensor |
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| CN106761868A (en) * | 2016-12-30 | 2017-05-31 | 安徽理工大学 | A kind of novel durable magnetizes anchor pole |
| CN107328385A (en) * | 2017-08-15 | 2017-11-07 | 山东科技大学 | Goaf roof and floor deformation and obturation stress monitoring integrated apparatus and method |
| CN207366116U (en) * | 2017-10-15 | 2018-05-15 | 安徽理工大学 | A kind of recyclable geostress survey device |
| CN207701179U (en) * | 2017-12-25 | 2018-08-07 | 何勇 | A kind of coal mine prevention bump prior-warning device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102392685A (en) * | 2011-09-12 | 2012-03-28 | 山东科技大学 | Dense roadway group rock burst hazard prediction method |
| CN103969133A (en) * | 2014-04-24 | 2014-08-06 | 陈凤平 | Comprehensive detection method for coal bed stress |
| CN204186375U (en) * | 2014-09-02 | 2015-03-04 | 中国地质科学院探矿工艺研究所 | Geological exploration rope coring drilling coal seam air pressure tester |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110307927A (en) * | 2019-07-22 | 2019-10-08 | 安徽马钢张庄矿业有限责任公司 | A kind of mining engineering pressure detection mechanism |
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| CN111912551A (en) * | 2020-07-16 | 2020-11-10 | 嘉兴学院 | High-stability monocrystalline silicon pressure sensor |
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| Publication number | Publication date |
|---|---|
| CN109883593B (en) | 2021-04-06 |
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