CN107976129A - A kind of opencast coal explosion borehole fills fixing device - Google Patents
A kind of opencast coal explosion borehole fills fixing device Download PDFInfo
- Publication number
- CN107976129A CN107976129A CN201711313117.5A CN201711313117A CN107976129A CN 107976129 A CN107976129 A CN 107976129A CN 201711313117 A CN201711313117 A CN 201711313117A CN 107976129 A CN107976129 A CN 107976129A
- Authority
- CN
- China
- Prior art keywords
- ring
- support
- support ring
- guiding axis
- fixing device
- 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.)
- Granted
Links
- 238000004880 explosion Methods 0.000 title claims abstract description 31
- 239000003245 coal Substances 0.000 title claims abstract description 16
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 26
- 239000010959 steel Substances 0.000 claims abstract description 26
- 238000009826 distribution Methods 0.000 claims abstract description 5
- 239000002360 explosive Substances 0.000 claims description 9
- 239000004575 stone Substances 0.000 abstract description 64
- 238000005065 mining Methods 0.000 abstract description 6
- 230000009466 transformation Effects 0.000 abstract description 4
- 238000005422 blasting Methods 0.000 description 9
- 239000003721 gunpowder Substances 0.000 description 6
- 238000007596 consolidation process Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000012856 packing Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42D—BLASTING
- F42D1/00—Blasting methods or apparatus, e.g. loading or tamping
- F42D1/08—Tamping methods; Methods for loading boreholes with explosives; Apparatus therefor
- F42D1/18—Plugs for boreholes
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/006—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries by making use of blasting methods
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42D—BLASTING
- F42D3/00—Particular applications of blasting techniques
- F42D3/04—Particular applications of blasting techniques for rock blasting
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Earth Drilling (AREA)
- Combined Means For Separation Of Solids (AREA)
Abstract
A kind of opencast coal explosion borehole filling fixing device of the present invention, is related to one kind during strip mining transformation, to the device for using stone to block borehole at the scene.It is characterized in that a pair of of arc snap-gauge is symmetrically placed on one side end face of support ring, slider disc is placed in support ring medium position, and it is connected by two support arms with support ring, described two support arms extend along slider disc tangential direction, and in 180 ° of distributions, Elastic Steel silk screen is placed between slider disc and support ring, the Elastic Steel silk screen is curled into weave after spring and formed by steel wire, one end of hollow guiding axis is vertically arranged in the slider disc in support ring, and in support ring opposite side, the hollow guiding axis outer surface is milled with a plane along axis, screw thread is provided with the hollow guiding axis, three guide sleeves are placed on hollow guiding axis.
Description
Technical field
A kind of present invention opencast coal explosion borehole filling fixing device, is related to one kind during strip mining transformation, to
The device that scene blocks borehole using stone, belongs to colliery facility field.When more particularly to one kind is for strip mining transformation
Borehole, stone is taken by scene and carries out multilayer closure, orients the fixing device of diffusion.
Background technology
At present, during colliery is had an opencast mining of, since work surface is more open, there is no underground work when carrying out explosion
It is required that high, but method of blasting operation, still based on hole firing, when being blocked, the degree of packing of closure influences whether gunpowder
Time of the gas that explosion produces in blasthole, the time is longer, can more produce large range of wall-rock crack, produces explosion effect
Fruit, therefore in order to save gunpowder and improve blasting efficiency, the closure degree of packing is extremely important, in openwork, during in order to save
Between, cost is reduced, can all be gathered materials on the spot, the sandstone in mining area are carried out screening as plugging material uses, but due to filler particles
Larger, the degree of packing is difficult to control, and the stone for having increasing is inserted in blasthole as packing material, and larger stone is in big gun
In hole can will be reserved lead cut-out, also can clamping stagnation in the middle part of blasthole so that filling region influences explosion there are the dead zone of big section
When impact air-flow directionality and the action time in borehole so that demolition effect lowers, and relatively large stone is being subject to
Fly out after impact along blasthole, operating personnel and equipment can be caused to be damaged, trigger security incident；
Publication number CN107345783A discloses blast hole stemming auxiliary mesh screen structure in a kind of surface blasting construction, it includes outer
Ring, first support, second support and the 3rd support level are fixedly connected on outer shroud；Outer shroud inner ring is fixed with Intranet；The invention
In the stone of bulk is isolated by mesh screen, less stone is fallen into by mesh and is filled, passes through independent stone
Block is filled, and easily occurs catching phenomenon between stone so that is occurred gap during closure, is influenced the effect of explosion, and stone
In explosion moment meeting splashes, but carry out security risk.
The content of the invention
In order to improve the above situation, a kind of opencast coal explosion borehole filling fixing device of the present invention provides one kind and is directed to
Borehole during strip mining transformation, takes stone by scene and carries out multilayer closure, orient the fixing device of diffusion.
A kind of opencast coal explosion borehole filling fixing device of the present invention is realized in：A kind of opencast coal of the present invention
Explosion borehole fill fixing device by support ring, arc snap-gauge, Elastic Steel silk screen, connecting plate, connection ring, guide sleeve, support arm,
Elastic baffle, fastening swivel nut, retainer ring, hollow guiding axis and slider disc composition, a pair of of arc snap-gauge are symmetrically placed in support ring one
On side end face, slider disc is placed in support ring medium position, and is connected by two support arms with support ring, described two supports
Arm extends along slider disc tangential direction, and is placed in 180 ° of distributions, Elastic Steel silk screen between slider disc and support ring, the elasticity
Steel wire is curled into weave after spring and formed by steel wire, and one end of hollow guiding axis is vertically arranged in the slider disc in support ring,
And to be milled with a plane in support ring opposite side, the hollow guiding axis outer surface along axis, being opened on the hollow guiding axis
There is screw thread, three guide sleeves are placed on hollow guiding axis, outside the section inner ring of the guide sleeve and the section of hollow guiding axis
Enclose identical, three slider discs are corresponded to and are placed on guide sleeve, and connection ring is placed in slider disc by two support arms, and and support ring
Adjacent, the diameter of the connection ring is more than the diameter of support ring, two on two support arms and support ring in the connection ring
A support arm is mutually perpendicular to, and the Elastic Steel silk screen is placed in connection ring inner ring, and a pair of of connecting plate one end is symmetrically placed in connection ring,
The other end is placed in support ring, and connecting plate and arc snap-gauge deflect 90 °, two retainer rings correspond to by support arm be placed in other two
In a slider disc, one end of another pair connecting plate, which corresponds to, to be placed in connection ring, and the other end is corresponded to and is placed in adjacent retainer ring, and
90 ° are deflected between a pair of of connecting plate, the fixed ring diameter, which is more than, connects ring diameter, two supports in adjacent retainer ring
Support arm on arm and connection ring is perpendicular, is corresponded to and connected by a pair of of elastic baffle between two retainer rings, adjacent two
Support arm in retainer ring is mutually perpendicular to, and Elastic Steel silk screen is placed in retainer ring inner wall, and it is another that fastening swivel nut is placed in hollow guiding axis
On end.
In use, lead is pierced by out of hollow guiding axis, then support ring is stretched into borehole hole, then progressively to big gun
Intraocular moves, while sandstone are placed between support ring and connection ring so that stone is in big gun Intraocular tamponade, the stone of filling
With being forced into for connection ring, connection ring is subjected to 180 ° of upsets, will be overturn between stone so that between stone
Gap is extruded stacking, continues addition stone and causes filling stone between support ring and connection ring, after connection ring enters borehole,
Elastic Steel silk screen in connection ring carries out pocket to stone and holds together so that and stone is moved inward along borehole, and stone is added in movement,
Then to stone is added between connection ring and retainer ring, 180 ° are afterwards turned over, continues to move to and adds stone, until retainer ring into
After entering borehole, internal stone pop-up consolidation, inwardly promotes hollow guiding axis so that arc snap-gauge and gunpowder in support ring connect
Touch, then rotated by fastening swivel nut, promote guide sleeve to be slided along hollow guiding axis so that adjacent Elastic Steel silk screen
Between gap diminish, stone is extruded so that by crowded change consolidation between stone, then in extrusion process, connection is circumferential
Support ring drives into, and fixed circumferential direction connection ring is close so that two groups of connection rings expand outwardly, and borehole inner wall formed it is tightly compacted,
So that support ring, connection ring and retainer ring are stuck in borehole wall, are formed and fixed, then pass through the elastic wire in outermost layer retainer ring
Net is filled the gap stone to the thinner sandy soil of big gun Intraocular tamponade so that borehole is by tight closure, in igniting blasting
When, the impact air-flow that gunpowder explosion produces forms impact to support ring so that support ring promotes hollow guiding axis movement, causes to prop up
Spacing between pushing out ring, connection ring, retainer ring further reduces, and connecting plate is further expanded, and forms support and fixes, simultaneously because
Limitation of the Elastic Steel silk screen to stone so that the stone under blasting impact expands along the gap between connecting plate along radial direction
Dissipate, the stone between retainer ring is spread from the gap between elastic baffle along radial direction, increases explosion scope, to borehole hole wall
Direction carries out impact failure,
The arc snap-gauge can be attached fixation to explosive, support ring and populated explosive are attached, it is ensured that right
Orientation during explosive charge；
Described two support arms extend along slider disc tangential direction, and in 180 ° of distributions, slider disc can be balanced consolidates
Determine, and other several groups of support arms are mutually perpendicular to, and overall pocket cage is formed to stone, prevents stone from flying out along borehole hole, trigger peace
Full accident；
The hollow guiding axis outer surface is milled with a plane along axis, can coordinate between guide sleeve, forms opposite slide
Matching relationship so that fasten swivel nut work when, promote slider disc it is close to each other, extruding consolidation is carried out to stone, avoids filling out
It is excessive to fill position gap, influences demolition effect；
The diameter of the connection ring is more than the diameter of support ring, enables to that frustum cone structure is integrally formed, and is entering energy in borehole
It is enough smoothly to be moved, avoid support ring, connection ring and borehole inner wall in moving process stuck；
The Elastic Steel silk screen is curled into weave after spring and formed by steel wire, can carry out pocket cage to stone, and in explosion pair
Impact force is relaxed in this direction, and limits the moving direction of stone so that stone is radially diffused along borehole, to borehole
Inner wall is hit, and expands explosion scope；
Achieve the purpose that to be filled sandstone in surface blasting fixed.
Beneficial effect.
First, it is simple in structure, it is convenient and practical.
2nd, stone is blocked when can be to surface blasting and carries out overall fix.
3rd, stone can be avoided to disperse along borehole so that stone is spread along between borehole radial direction, increases explosion scope.
4th, degree of packing during stone filling can be improved.
Brief description of the drawings
Fig. 1 is the three-dimensional structure diagram that a kind of opencast coal explosion borehole of the present invention fills fixing device.
In attached drawing
Wherein part is：Support ring（1）, arc snap-gauge（2）, Elastic Steel silk screen（3）, connecting plate（4）, connection ring（5）, guide sleeve
（6）, support arm（7）, elastic baffle（8）, fasten swivel nut（9）, retainer ring（10）, hollow guiding axis（11）, slider disc（12）.
Embodiment：
A kind of opencast coal explosion borehole filling fixing device of the present invention is achieved in that in use, lead is led from hollow
To axis（11）Inside it is pierced by, then by support ring（1）Stretch into borehole hole, then progressively moved into borehole, while sandstone are put
Put in support ring（1）And connection ring（5）Between so that stone is in big gun Intraocular tamponade, and the stone of filling is also with connection ring（5）'s
It is forced into, by connection ring（5）180 ° of upsets are carried out, will be overturn between stone so that the gap between stone is extruded
Stack, continue addition stone and cause support ring（1）And connection ring（5）Between filling stone, work as connection ring（5）Into borehole
Afterwards, connection ring（5）On Elastic Steel silk screen（3）Pocket is carried out to stone to hold together so that stone is moved inward along borehole, in movement
Stone is added, then to connection ring（5）And retainer ring（10）Between add stone, afterwards turn over 180 °, continue to move to and add
Stone, until retainer ring（10）Into after borehole, internal stone pop-up consolidation, inwardly promotes hollow guiding axis（11）So that
Support ring（1）On arc snap-gauge（2）Contacted with gunpowder, then by fastening swivel nut（9）Rotation, promotes guide sleeve（6）Along
Hollow guiding axis（11）Slided so that adjacent Elastic Steel silk screen（3）Between gap diminish, stone is extruded, is made
Between stone by crowded change consolidation, then in extrusion process, connection ring（5）Leaned on to support ring into retainer ring（10）To connection
Ring（5）It is close so that two groups of connection rings（5）Expand outwardly, and borehole inner wall formed it is tightly compacted so that support ring（1）, connection
Ring（5）And retainer ring（10）Borehole wall is stuck in, is formed and fixed, then pass through outermost layer retainer ring（10）On Elastic Steel silk screen
（3）The sandy soil thinner to big gun Intraocular tamponade, are filled the gap stone so that borehole is drawn in igniting by tight closure
When quick-fried, the impact air-flow that gunpowder explosion produces is to support ring（1）Form impact so that support ring（1）Promote hollow guiding axis
（11）It is mobile, cause support ring（1）, connection ring（5）, retainer ring（10）Between spacing further reduce, connecting plate（4）Into one
Step expansion, forms support and fixes, simultaneously because Elastic Steel silk screen（3）Limitation to stone so that the stone edge under blasting impact
Connecting plate（4）Between gap spread along radial direction, retainer ring（10）Between stone from elastic baffle（8）Between
Gap is spread along radial direction, increases explosion scope, and impact failure is carried out to borehole hole wall direction；
The arc snap-gauge（2）Fixation can be attached to explosive, by support ring（1）It is attached with populated explosive,
Orientation when ensuring to explosive charge；
Described two support arms（7）Along slider disc（12）Tangential direction extends, and in 180 ° of distributions, can be to slider disc（12）Into
The fixation of row balance, and other several groups of support arms（7）It is mutually perpendicular to, overall pocket cage is formed to stone, prevents stone along borehole
Hole flies out, and triggers security incident；
The hollow guiding axis（11）Outer surface is milled with a plane along axis, can and guide sleeve（6）Between coordinate, formed phase
To the matching relationship of slip so that in fastening swivel nut（9）During work, slider disc is promoted（12）It is close to each other, stone is squeezed
Compress in fact, avoid filling position gap excessive, influence demolition effect；
The connection ring（5）Diameter be more than support ring（1）Diameter, enable to that frustum cone structure is integrally formed, into big gun
Intraocular can be moved smoothly, avoid the support ring in moving process（1）, connection ring（5）It is stuck with borehole inner wall；
The Elastic Steel silk screen（3）Curl into weave after spring by steel wire and form, pocket cage can be carried out to stone, and in explosion
Impact force in this direction is relaxed, and limits the moving direction of stone so that stone is radially diffused along borehole, to big gun
Intraocular wall is hit, and expands explosion scope；
Achieve the purpose that to be filled sandstone in surface blasting fixed.
Claims (7)
1. a kind of opencast coal explosion borehole fills fixing device, it is characterized in that：A pair of of arc snap-gauge is symmetrically placed in support ring one
On side end face, slider disc is placed in support ring medium position, and is connected by two support arms with support ring, and Elastic Steel silk screen is put
Between slider disc and support ring, one end of hollow guiding axis is vertically arranged in the slider disc in support ring, and in support ring
Opposite side, is provided with screw thread on hollow guiding axis, and three guide sleeves are placed on hollow guiding axis, the section inner ring of guide sleeve and in
The section outer ring of empty guiding axis is identical, and three slider discs, which correspond to, to be placed on guide sleeve, and connection ring is placed in cunning by two support arms
On Moving plate, and it is adjacent with support ring, two support arms on two support arms and support ring in connection ring are mutually perpendicular to, elasticity
Steel wire is placed in connection ring inner ring, and a pair of of connecting plate one end is symmetrically placed in connection ring, and the other end is placed in support ring, connecting plate
90 ° are deflected with arc snap-gauge, two retainer rings are corresponded to be placed in other two slider discs by support arm, another pair connecting plate
One end corresponds to and is placed in connection ring, and the other end is corresponded to and is placed in adjacent retainer ring, and deflects 90 ° between a pair of of connecting plate,
The support arm on two support arms and connection ring in adjacent retainer ring is perpendicular, passes through a pair of of elasticity between two retainer rings
Baffle, which corresponds to, to be connected, and the support arm in adjacent two retainer rings is mutually perpendicular to, and Elastic Steel silk screen is placed in retainer ring inner wall, fastening
Swivel nut is placed on the hollow guiding axis other end.
2. a kind of opencast coal explosion borehole filling fixing device according to claim 1, it is characterised in that described two
Support arm extends along slider disc tangential direction, and in 180 ° of distributions.
A kind of 3. opencast coal explosion borehole filling fixing device according to claim 1, it is characterised in that the elasticity
Steel wire is curled into weave after spring and formed by steel wire.
4. a kind of opencast coal explosion borehole filling fixing device according to claim 1, it is characterised in that described hollow
Guiding axis outer surface is milled with a plane along axis.
A kind of 5. opencast coal explosion borehole filling fixing device according to claim 1, it is characterised in that the arc
Snap-gauge can be attached fixation to explosive, and support ring and populated explosive are attached, it is ensured that during to explosive charge
Orientation.
A kind of 6. opencast coal explosion borehole filling fixing device according to claim 1, it is characterised in that the connection
The diameter of ring is more than the diameter of support ring.
A kind of 7. opencast coal explosion borehole filling fixing device according to claim 1, it is characterised in that the fixation
Ring diameter is more than connection ring diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711313117.5A CN107976129B (en) | 2017-12-09 | 2017-12-09 | Fixing device is filled to colliery open blasting big gun hole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711313117.5A CN107976129B (en) | 2017-12-09 | 2017-12-09 | Fixing device is filled to colliery open blasting big gun hole |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107976129A true CN107976129A (en) | 2018-05-01 |
| CN107976129B CN107976129B (en) | 2020-01-24 |
Family
ID=62009991
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711313117.5A Active CN107976129B (en) | 2017-12-09 | 2017-12-09 | Fixing device is filled to colliery open blasting big gun hole |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107976129B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117537679A (en) * | 2024-01-04 | 2024-02-09 | 福建省新华都工程有限责任公司 | Annular pushing device for discharging rock debris outside drilling operation orifice of strip mine |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004088239A1 (en) * | 2003-04-03 | 2004-10-14 | Stoeckl Robert John | Explosion container |
| CN205482644U (en) * | 2016-04-12 | 2016-08-17 | 贵州新联爆破工程集团有限公司 | Porthole shutoff pole of multistage shutoff |
| CN107246830A (en) * | 2017-07-28 | 2017-10-13 | 安徽理工大学 | A kind of convenient multiple-row blasting device |
| CN206573022U (en) * | 2017-03-13 | 2017-10-20 | 重庆三峡学院 | A kind of blasting engineering hole sealing device |
-
2017
- 2017-12-09 CN CN201711313117.5A patent/CN107976129B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004088239A1 (en) * | 2003-04-03 | 2004-10-14 | Stoeckl Robert John | Explosion container |
| CN205482644U (en) * | 2016-04-12 | 2016-08-17 | 贵州新联爆破工程集团有限公司 | Porthole shutoff pole of multistage shutoff |
| CN206573022U (en) * | 2017-03-13 | 2017-10-20 | 重庆三峡学院 | A kind of blasting engineering hole sealing device |
| CN107246830A (en) * | 2017-07-28 | 2017-10-13 | 安徽理工大学 | A kind of convenient multiple-row blasting device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117537679A (en) * | 2024-01-04 | 2024-02-09 | 福建省新华都工程有限责任公司 | Annular pushing device for discharging rock debris outside drilling operation orifice of strip mine |
| CN117537679B (en) * | 2024-01-04 | 2024-05-10 | 福建省新华都工程有限责任公司 | Annular pushing device for discharging rock debris outside drilling operation orifice of strip mine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107976129B (en) | 2020-01-24 |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20191225 Address after: No.44, Haihe North Road, Haibowan District, Wuhai City, Inner Mongolia Autonomous Region Applicant after: Inner Mongolia Wuhai Wanyuan Open Coal Industry Co., Ltd Address before: 221000 Jiangsu city of Xuzhou province mining software technology park Quanshanqu with innovation F Applicant before: He Hongbin |
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