CN102322772B - Pre-splitting blasting hole cartridge centered limiting device - Google Patents
Pre-splitting blasting hole cartridge centered limiting device Download PDFInfo
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- CN102322772B CN102322772B CN 201110277702 CN201110277702A CN102322772B CN 102322772 B CN102322772 B CN 102322772B CN 201110277702 CN201110277702 CN 201110277702 CN 201110277702 A CN201110277702 A CN 201110277702A CN 102322772 B CN102322772 B CN 102322772B
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- annular slab
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Abstract
The invention relates to the technical field of uncoupled charged cartridge control in a pre-splitting blasting hole, in particular to a pre-splitting blasting hole cartridge centered limiting device. The limiting device is characterized by consisting of a left semicircular limiting plate, a right semicircular limiting plate, a pin shaft and a connecting assembly for connecting the left semicircular limiting plate and the right semicircular limiting plate, and anti-slip layers arranged on the left semicircular limiting plate and the right semicircular limiting plate, wherein the left semicircular limiting plate and the right semicircular limiting plate are butted to form a cartridge centered limiting device, and an inner hole of the cartridge centered limiting device is sleeved with a cartridge. The limiting device has the advantages of simple structure, low cost, convenience for installation and maintenance, explosion resistance, electrostatic resistance, impact resistance and acid and alkali resistance, ensures the centered position of the cartridge, effectively improves the quality of pre-splitting blasting, and meanwhile, is easy for transportation.
Description
Technical field
The present invention relates in the presplit blasting big gun hole not coupling charging powder stick control technology field, particularly a kind of pre-splitting blasting hole cartridge centered limiting device.
Background technology
Surface mine carries out in the presplit blasting work progress at privileged sites, when coupling charging not, requires powder stick to be limited to the center in big gun hole, has obtained best presplitting effect.
At present, domestic surface mine for the powder stick center on Page of coupling charging not in the big gun hole, does not also have special-purpose stopping means in the presplit blasting work progress that is not coupled.The common practice is:
Adopt single, double bamboo chip, powder stick is tied up therebetween; ⑵ connect primacord; ⑶ the fritter bamboo chip that bundle several pieces suitable adhesive tapes is distributed in around the single, double bamboo chip and bundlees; ⑷ after binding is finished, put it into the big gun hole, form the placed in the middle of Explosive roll, with this as coupling charging mode not.
This between two parties not the coupling charging method have following shortcoming:
If aperture, big gun hole is larger, pad is more, the binding troublesome poeration, be not easy successfully, and explosive cartridge can not be placed in the middle in the big gun hole, is difficult to guarantee that powder stick is in the center in big gun hole, and is therefore larger on the Pre-splitting Blasting Effect impact.
Summary of the invention
But the pre-splitting blasting hole cartridge centered limiting device that the purpose of this invention is to provide the convenient Effective Raise presplit blasting of a kind of simple in structure, fitting operation quality.
The objective of the invention is to realize by following technical proposals:
Pre-splitting blasting hole cartridge centered limiting device of the present invention, it is characterized in that by left semicircle annular stop plate, right semi-circle annular stop plate, the bearing pin and the coupling assembling that connect this left semicircle annular stop plate, right semi-circle annular stop plate, the skid resistant course that is located on described left semicircle annular stop plate, the right semi-circle annular stop plate forms, described left semicircle annular stop plate docks with right semi-circle annular stop plate and consists of powder stick stopping means placed in the middle, and endoporus and the powder stick of this powder stick stopping means placed in the middle socket-connect.
Described left semicircle annular stop plate comprises left semicircle shape inner sleeve, the left semicircle annular slab that is connected of the outer surface of left semicircle shape inner sleeve therewith, the two ends of this left semicircle annular slab are respectively equipped with left semicircle annular slab engaging lug, be provided with left semicircle annular slab connecting hole at this left semicircle annular slab engaging lug, described bearing pin therewith left semicircle annular slab connecting hole plugs, and is provided with skid resistant course at the inner surface of described left semicircle shape inner sleeve.
Described right semi-circle annular stop plate comprises the right semicircular inner sleeve, the right semi-circle annular slab that is connected of the outer surface of right semicircular inner sleeve therewith, the two ends of this right semi-circle annular slab are respectively equipped with right semi-circle annular slab engaging lug, be provided with right semi-circle annular slab connecting hole with described left semicircle annular slab connecting hole corresponding position on the right semi-circle annular slab engaging lug of described right semi-circle annular slab one end, described bearing pin therewith right semi-circle annular slab connecting hole plugs, on the right semi-circle annular slab engaging lug of the described right semi-circle annular slab other end, be provided with the arc adjustment hole with described left semicircle annular slab connecting hole corresponding position, lower surface at the right semi-circle annular slab engaging lug of this end, arc adjustment hole corresponding position vertically is provided with draw-in groove, this draw-in groove and the clamping of described coupling assembling phase.
Described coupling assembling is by the nut that is provided with double-vane, and the bolt that the bottom is arranged with fixing ear and passes described left semicircle annular slab connecting hole and described arc adjustment hole forms the fixedly ear of described bolt and the clamping of described draw-in groove phase.
Described skid resistant course is anti-skidding north glue-line.
The characteristics of pre-splitting blasting hole cartridge centered limiting device of the present invention are:
The structure of 1, docking with right semi-circle annular stop plate owing to the left semicircle annular stop plate that adopts, endoporus and the powder stick of this powder stick stopping means placed in the middle socket-connect, and have guaranteed the middle position of powder stick, have effectively improved the quality of presplit blasting;
2, insert left semicircle annular slab connecting hole and right semi-circle annular slab connecting hole by bearing pin, realized left semicircle annular limit
One end of position plate and the docking of corresponding right semi-circle annular stop plate one end, left semicircle annular stop plate and right semi-circle annular stop plate can at random be opened by bearing pin, closure, and the installation powder stick is very convenient.And by the size of bolt at the change in location adjusting pre-splitting blasting hole cartridge centered limiting device endoporus of arc adjustment hole, to adapt to the vary in diameter of powder stick;
3, employing can be played the effect of spanner with the nut of double-vane, makes things convenient for installation and removal.After the bottom of bolt symmetry is established fixedly ear and draw-in groove clamping, can prevent the rotation of bolt;
4, the quantity of pre-splitting blasting hole cartridge centered limiting device of the present invention can be set according to the length of powder stick, if powder stick is long, several pre-splitting blasting hole cartridge centered limiting devices can be set more.
The present invention is simple in structure, and is with low cost, and installation and maintenance are convenient, can be explosion-proof, antistatic, shock resistance, acid and alkali-resistance, be easy to simultaneously transportation.
Description of drawings
Fig. 1 is structural representation of the present invention.
Fig. 2 is the structural representation of left semicircle annular stop plate of the present invention.
Fig. 3 is the structural representation of right semi-circle annular stop plate of the present invention.
Fig. 4 is the structural representation of bolt of the present invention.
The specific embodiment
Below in conjunction with description of drawings the specific embodiment of the present invention.
As shown in Figure 1, pre-splitting blasting hole cartridge centered limiting device of the present invention, it is characterized in that by left semicircle annular stop plate 1, right semi-circle annular stop plate 4, the bearing pin 2 and the coupling assembling that connect this left semicircle annular stop plate 1, right semi-circle annular stop plate 4, the skid resistant course that is located on described left semicircle annular stop plate 1, the right semi-circle annular stop plate 4 forms, described left semicircle annular stop plate 1 docks with right semi-circle annular stop plate 4 and consists of powder stick stopping means placed in the middle, and endoporus and the powder stick 3 of this powder stick stopping means placed in the middle socket-connect.Because the structure that the left semicircle annular stop plate 1 that adopts docks with right semi-circle annular stop plate 4, endoporus and the powder stick 3 of this powder stick stopping means placed in the middle socket-connect, and have guaranteed the middle position of powder stick 3, have effectively improved the quality of presplit blasting.
As shown in Figure 2, described left semicircle annular stop plate 1 comprises left semicircle shape inner sleeve 1-3, the left semicircle annular slab 1-4 that is connected of the outer surface of left semicircle shape inner sleeve 1-3 therewith, the two ends of this left semicircle annular slab 1-4 are respectively equipped with left semicircle annular slab engaging lug 1-2,1-5, be provided with left semicircle annular slab connecting hole 1-1 at this left semicircle annular slab engaging lug 1-2,1-5, described bearing pin 2 therewith left semicircle annular slab connecting hole 1-1 plugs, and is provided with skid resistant course at the inner surface of described left semicircle shape inner sleeve 1-3.This skid resistant course is anti-skidding north glue-line.This skid resistant course can prevent the slip between pre-splitting blasting hole cartridge centered limiting device and the powder stick effectively, is convenient to fix.
As shown in Figure 3, described right semi-circle annular stop plate 4 comprises right semicircular inner sleeve 4-3, therewith in the right semicircular
The right semi-circle annular slab 4-4 that the outer surface of cover 4-3 is connected, the two ends of this right semi-circle annular slab 4-4 are respectively equipped with right semi-circle annular slab engaging lug 4-2,4-5, the right semi-circle annular slab engaging lug 4-2 of described right semi-circle annular slab 4-4 one end is upper to be provided with right semi-circle annular slab connecting hole 4-1 with described left semicircle annular slab connecting hole 1-1 corresponding position, described bearing pin 2 therewith right semi-circle annular slab connecting hole 4-1 plugs, on the right semi-circle annular slab engaging lug 4-5 of the described right semi-circle annular slab 4-4 other end, be provided with arc adjustment hole 4-6 with described left semicircle annular slab connecting hole 1-1 corresponding position, lower surface at the right semi-circle annular slab engaging lug 4-5 of this end, arc adjustment hole 4-6 corresponding position vertically is provided with draw-in groove, this draw-in groove and the clamping of described coupling assembling phase.Adopt by bearing pin 2 and insert left semicircle annular slab connecting hole 1-1 and right semi-circle annular slab connecting hole 4-1, the docking structure of an end of having realized left semicircle annular stop plate 1 and corresponding right semi-circle annular stop plate 4 one ends, left semicircle annular stop plate 1 and right semi-circle annular stop plate 4 can at random be opened by bearing pin 2, closure, and it is very convenient that powder stick 3 is installed.And by the size of bolt 5-2 at the change in location adjusting pre-splitting blasting hole cartridge centered limiting device endoporus of arc adjustment hole 4-6, to adapt to the vary in diameter of powder stick 3.
Such as Fig. 1, shown in Figure 4, described coupling assembling is by the nut 5 that is provided with double-vane, the bolt 5-2 that the bottom is arranged with fixing ear 5-1 and passes described left semicircle annular slab connecting hole 1-1 and described arc adjustment hole 4-6 forms the fixedly ear 5-1 of described bolt and described draw-in groove clamping.Adopt the nut 5 of double-vane, can play the effect of spanner, make things convenient for installation and removal.After the bottom of bolt 5-2 symmetry is established fixedly ear 5-1 and draw-in groove clamping, can prevent the rotation of bolt 5-2.
The present invention can determine to arrange according to the length of powder stick the quantity of pre-splitting blasting hole cartridge centered limiting device.
The operation principle of pre-splitting blasting hole cartridge centered limiting device of the present invention is:
At first determine to arrange the quantity of pre-splitting blasting hole cartridge centered limiting device according to the length of powder stick, then bearing pin is inserted in the right semi-circle annular slab connecting hole of the left semicircle annular slab connecting hole of left semicircle annular stop plate one end and right semi-circle annular stop plate corresponding end, rotation left semicircle annular stop plate and right semi-circle annular stop plate take bearing pin as axle, powder stick is trapped among in the inner sleeve, then bolt is inserted in the left semicircle annular slab connecting hole of arc adjustment hole and correspondence, make the fixedly ear and the clamping of draw-in groove phase of bolt, nut is meshed with bolt, the double-vane of rotating nut is connected left semicircle annular stop plate and is fixing with right semi-circle annular stop plate again.After installing, put it in the big gun hole and get final product.
The present invention is simple in structure, and is with low cost, and installation and maintenance are convenient, can be explosion-proof, antistatic, shock resistance, acid and alkali-resistance, be easy to simultaneously transportation.
Claims (3)
1. pre-splitting blasting hole cartridge centered limiting device, it is characterized in that by left semicircle annular stop plate, right semi-circle annular stop plate, the bearing pin and the coupling assembling that connect this left semicircle annular stop plate, right semi-circle annular stop plate, the skid resistant course that is located on described left semicircle annular stop plate, the right semi-circle annular stop plate forms, described left semicircle annular stop plate docks with right semi-circle annular stop plate and consists of powder stick stopping means placed in the middle, and endoporus and the powder stick of this powder stick stopping means placed in the middle socket-connect;
Described left semicircle annular stop plate comprises left semicircle shape inner sleeve, the left semicircle annular slab that is connected of the outer surface of left semicircle shape inner sleeve therewith, the two ends of this left semicircle annular slab are respectively equipped with left semicircle annular slab engaging lug, be provided with left semicircle annular slab connecting hole at this left semicircle annular slab engaging lug, described bearing pin therewith left semicircle annular slab connecting hole plugs, and is provided with skid resistant course at the inner surface of described left semicircle shape inner sleeve;
Described right semi-circle annular stop plate comprises the right semicircular inner sleeve, the right semi-circle annular slab that is connected of the outer surface of right semicircular inner sleeve therewith, the two ends of this right semi-circle annular slab are respectively equipped with right semi-circle annular slab engaging lug, be provided with right semi-circle annular slab connecting hole with described left semicircle annular slab connecting hole corresponding position on the right semi-circle annular slab engaging lug of described right semi-circle annular slab one end, described bearing pin therewith right semi-circle annular slab connecting hole plugs, on the right semi-circle annular slab engaging lug of the described right semi-circle annular slab other end, be provided with the arc adjustment hole with described left semicircle annular slab connecting hole corresponding position, lower surface at the right semi-circle annular slab engaging lug of this end, arc adjustment hole corresponding position vertically is provided with draw-in groove, this draw-in groove and the clamping of described coupling assembling phase.
2. pre-splitting blasting hole cartridge centered limiting device according to claim 1, it is characterized in that described coupling assembling is by the nut that is provided with double-vane, the bolt that the bottom is arranged with fixing ear and passes described left semicircle annular slab connecting hole and described arc adjustment hole forms the fixedly ear of described bolt and described draw-in groove clamping.
3. pre-splitting blasting hole cartridge centered limiting device according to claim 1 is characterized in that described skid resistant course is the Antislip plastic glue-line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110277702 CN102322772B (en) | 2011-09-19 | 2011-09-19 | Pre-splitting blasting hole cartridge centered limiting device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110277702 CN102322772B (en) | 2011-09-19 | 2011-09-19 | Pre-splitting blasting hole cartridge centered limiting device |
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| CN102322772A CN102322772A (en) | 2012-01-18 |
| CN102322772B true CN102322772B (en) | 2013-04-17 |
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| CN 201110277702 Active CN102322772B (en) | 2011-09-19 | 2011-09-19 | Pre-splitting blasting hole cartridge centered limiting device |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102889832B (en) * | 2012-10-15 | 2014-07-23 | 煤炭科学研究总院 | Hydraulic loading device for loading explosive in large-angle deep hole |
| CN107024157A (en) * | 2017-05-22 | 2017-08-08 | 贵州大学 | A kind of blast charging structure and application method |
| CN109764780A (en) * | 2019-01-16 | 2019-05-17 | 昆明理工大学 | A kind of accurate means for loading in low-angle dip medium-length hole axial not lotus root conjunction bottom air interval and loading method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| AUPP225298A0 (en) * | 1998-03-10 | 1998-04-02 | Orica Australia Pty Ltd | Method and device for loading blastholes |
| AU2003900435A0 (en) * | 2003-02-03 | 2003-02-13 | Johnson Hi-Tech (Australia) Pty Ltd | Modular explosives cartridge and novel spider construction |
| CN101900519A (en) * | 2009-05-25 | 2010-12-01 | 同济大学 | Bamboo-chip smooth wall protection blasting method for joint fissure mud rock slope |
| AU2009203062A1 (en) * | 2009-07-29 | 2011-02-17 | Johnson Hi-Tech (Australia) Pty Ltd | Device for locating an explosives package in a borehole |
| CN201535647U (en) * | 2009-11-24 | 2010-07-28 | 鞍钢集团矿业公司 | Shot hole charging centering device |
| CN202267418U (en) * | 2011-09-19 | 2012-06-06 | 鞍钢集团矿业公司 | Centralization limiting device for cartridge in presplit blasting hole |
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Address after: 114001 Anshan District, Liaoning, No. 219 Road, No. 39, Tiedong Patentee after: Anshan Iron and Steel Group Mining Co., Ltd. Address before: 114001 Anshan District, Liaoning, No. 219 Road, No. 39, Tiedong Patentee before: Angang Group Mine Company |