CN211783096U - Novel spaced charging structure based on sympathetic detonation - Google Patents
Novel spaced charging structure based on sympathetic detonation Download PDFInfo
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- CN211783096U CN211783096U CN201922438379.5U CN201922438379U CN211783096U CN 211783096 U CN211783096 U CN 211783096U CN 201922438379 U CN201922438379 U CN 201922438379U CN 211783096 U CN211783096 U CN 211783096U
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- 238000005474 detonation Methods 0.000 title claims abstract description 35
- 230000002889 sympathetic effect Effects 0.000 title claims abstract description 21
- 239000002360 explosive Substances 0.000 claims abstract description 68
- 238000005422 blasting Methods 0.000 claims abstract description 22
- 239000002689 soil Substances 0.000 claims abstract description 5
- 239000000463 material Substances 0.000 claims description 22
- 125000006850 spacer group Chemical group 0.000 claims description 6
- 238000004880 explosion Methods 0.000 claims 3
- 230000000977 initiatory effect Effects 0.000 abstract description 17
- 238000010276 construction Methods 0.000 abstract description 5
- 238000012856 packing Methods 0.000 abstract description 3
- 239000000945 filler Substances 0.000 abstract description 2
- 239000003380 propellant Substances 0.000 description 8
- 238000005553 drilling Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 239000011435 rock Substances 0.000 description 3
- 239000003814 drug Substances 0.000 description 2
- 239000003999 initiator Substances 0.000 description 2
- 238000005056 compaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
The utility model discloses a novel spaced charging structure based on sympathetic detonation, including the blast hole, blast hole bottom is equipped with main explosive bag, main explosive bag top is equipped with the air wall, air wall top is equipped with by the explosive bag, be equipped with the packing by explosive bag top, the inside detonating bullet that is equipped with of main explosive bag. The utility model discloses an at blast hole internally mounted main explosive package, the air wall and by the explosive package, and place the initiating bomb in main explosive package, draw forth blast hole and reserve safe distance with downthehole detonator foot line behind the detonator foot line in the initiating bomb link connecting hole, main explosive package is detonated the back, it is detonated by the explosive package to be sympathetic, effectively carry out the breakage to hard stratum, replace thick soil layer filler with the air wall, save time, and convenient for operation helps improving the efficiency of construction, need not to set up a plurality of initiating bombs, save the initiating equipment, reduce the blasting cost, compared with the prior art, labour saving and time saving cost saving.
Description
Technical Field
The utility model relates to an engineering blasting technical field, concretely relates to novel spaced charging structure based on detonating of sympathetic detonation.
Background
With the development and progress of scientific technology, the industrialization process is accelerated continuously, the consumption of various resources is increased continuously, the progress of the resource development technology is further promoted, the hard rock stratum can be quickly destroyed after the bench blasting of the surface mine, the resources are exposed out of the ground surface, and the exploitation efficiency of the resources is improved.
When the interval powder charge of the extensive blasting of present mine, at first dig the deep hole at the mine earth's surface, and place explosive and plug material in the deep hole, generally use the drilling piece as the interval medium, use the detonator to detonate behind the detonating bullet of burying deeply, can collapse out mine earth's surface stratum, but its when in actual use, drilling piece interval medium has resulted in the detonation distance that sympathetic detonates to reduce, be unfavorable for the use of the detonation mode that sympathetic detonates, the high inconvenient improvement of powder charge simultaneously, the powder charge time also can't be saved, reach the purpose of practicing thrift the blasting cost and improving blasting work efficiency.
Therefore, it is necessary to invent a novel spaced charge structure based on sympathetic detonation to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a novel interval charge structure based on sympathetic detonation, through at blast hole internally mounted main explosive package, the air space layer with by the explosive package, and place the initiating bomb in main explosive package, draw forth blast hole and reserve safe distance with downthehole detonator foot line behind the detonator foot line in the initiating bomb link connecting hole, last packing is filled and the compaction on blast hole top, main explosive package is detonated after, the sympathetic detonation is by the explosive package, thereby effectively carry out the breakage to hard stratum, this technical scheme replaces massive soil layer filler with the air space layer, save time, and convenient operation, easily master, help improving the efficiency of construction, need not to set up a plurality of initiating bombs, save the initiating device, reduce the blasting cost, compare with prior art, labour saving and time saving, with the above-mentioned weak point in the solution technology.
In order to achieve the above object, the present invention provides the following technical solutions: the utility model provides a novel interval charge structure based on sympathetic detonation, includes the blast hole, blast hole bottom is equipped with main explosive package, main explosive package top is equipped with the air space layer, air space layer top is equipped with by the explosive package, be equipped with the packing by explosive package top, the inside detonating bullet that is equipped with of main explosive package, the link of detonating bullet is equipped with downthehole detonator foot line, downthehole detonator foot line passes main explosive package, air space layer, by explosive package and packs the material from bottom to top in proper order to extend to blast hole top, the one end that detonating bullet was kept away from to downthehole detonator foot line is equipped with the control connector, the link of control connector is equipped with the detonator.
Preferably, a detonating cord is arranged in the propellant charge bag, the detonating cord penetrates through the filling material and extends to the top of the blast hole, and an earth surface detonator is arranged on one side of the detonating cord, which is far away from the propellant charge bag.
Preferably, the air spacing layer is composed of a plurality of air filling bulges, the air filling bulges are made of PPS plastic, and the length, the width and the height of the volume specification of the inflated air filling bulges are respectively set to be 34cm, 17cm and 40 cm.
Preferably, the main explosive package, the air spacing layer, the explosive-receiving package and the filling material are all attached to the inner wall of the blast hole, and the filling material is prepared by mixing soil and gravel.
Preferably, the thicknesses of the main explosive package, the air spacer layer, the secondary explosive package and the filling material are set to be 5.5m, 1.5m, 5.5m and 4.5m in sequence.
Preferably, the number of the blast holes is set to be a plurality, and the plurality of the detonation bomb detonation circuits in the blast holes are set to be fishbone type circuits.
Preferably, the detonation bomb is arranged 2m away from the bottom end of the blast hole, and the bottom end of the detonating cord is arranged 9m away from the bottom end of the blast hole.
Preferably, the detonating bullet and the detonator are electrically connected through a detonator leg wire in the hole, and the detonating cord is fixedly connected with the surface detonator in a binding manner.
In the technical scheme, the utility model provides a technological effect and advantage:
1. the main explosive initiating bag, the air spacing layer and the explosive initiated bag are arranged in the blast hole, the initiating bomb is placed in the main explosive initiating bag, the connecting end of the initiating bomb is connected with the detonator foot line in the hole and then leads the detonator foot line in the hole out of the blast hole, the safety distance is reserved, finally the filling material is filled and compacted at the top end of the blast hole, and the explosive initiated bag is detonated after the main explosive initiating bag is detonated, so that the hard rock stratum is effectively crushed.
2. Through being detonated by the explosive package at the sympathetic detonation after main explosive package is detonated, the detonating cord is ignited by the explosive package, the detonating cord burning spread to with earth's surface detonator junction to detonate earth's surface detonator, through the circumstances of detonating of observing earth's surface detonator, know the circumstances of detonating by the explosive package, improve the security of construction, can get rid of the detonating cord simultaneously and take place the detonation rather than the detonation and lead to the misjudgement, can solve the buried not detailed problem of the circumstances of detonating by the explosive package.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.
FIG. 1 is a sectional view of the overall structure of the present invention;
FIG. 2 is a diagram showing the distribution of the main propellant bag, the air space layer and the propellant bag of the present invention.
Description of reference numerals:
the explosive comprises 1 blast hole, 2 main explosive packages, 3 air spacing layers, 4 by-explosive packages, 5 stuffing materials, 6 initiating bombs, 7 in-hole detonator leg wires, 8 control connectors, 9 detonating cords and 10 surface detonators.
Detailed Description
In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings.
The utility model provides a novel interval charging structure based on sympathetic detonation as shown in figures 1-2, which comprises a blast hole 1, the bottom of the blast hole 1 is provided with a main propellant bag 2, the top of the main propellant bag 2 is provided with an air spacing layer 3, the top of the air spacing layer 3 is provided with a medicine bag 4 to be dispensed, the top of the medicine bag 4 to be dispensed is provided with a filling material 5, a primary explosive-distributing bag 2 is internally provided with a primary explosive-distributing bomb 6, the connecting end of the primary explosive-distributing bag 6 is provided with an in-hole detonator leg wire 7, the detonator foot line 7 in the hole sequentially passes through the main explosive package 2, the air space layer 3, the secondary explosive package 4 and the filling material 5 from bottom to top, and extends to the top of the blast hole 1, one end of the detonator leg wire 7 in the hole, which is far away from the detonating bullet 6, is provided with a control connector 8, the connection end of the control connector 8 is provided with an initiator, and the initiation bomb 6 is electrically connected with the initiator through a detonator leg wire 7 in a hole;
further, in the above technical solution, the air space layer 3 is composed of a plurality of air-filled bulges, the air-filled bulges are made of PPS plastic, and the length, width and height of the volume specification of the inflated air-filled bulges are respectively set to 34cm, 17cm and 40 cm;
further, in the technical scheme, the main explosive package 2, the air spacing layer 3, the to-be-fired package 4 and the filling material 5 are attached to the inner wall of the blast hole 1, and the filling material 5 is prepared by mixing soil and gravel;
further, in the above technical solution, the thicknesses of the main hair-setting pack 2, the air spacer layer 3, the to-be-haired pack 4 and the filling material 5 are set to be 5.5m, 1.5m, 5.5m and 4.5m in sequence;
further, in the above technical solution, the number of the blast holes 1 is set to be plural, and the initiation circuit of the initiation bomb 6 in the plurality of blast holes 1 is set to be a fishbone type circuit;
further, in the above technical solution, the detonation bomb 6 is arranged 2m away from the bottom end of the blast hole 1;
the implementation mode is specifically as follows: when the mine is blasted, firstly, a 17m deep blast hole 1 is drilled by using a drilling machine, a 5.5m thick main explosive package 2 is installed in the blast hole 1, an air space layer 3 is placed at the top of the main explosive package 2, namely, a PPS plastic air-filled bulge filled with air is filled, the thickness of the bulge is 1.5m, a 5.5m thick secondary explosive package 4 is placed at the top of the air space layer 3, when the main explosive package 2 is placed, a detonating bomb 6 is placed in the main explosive package, the detonating bomb 6 is connected with a detonator leg wire 7 in the hole, then the detonator leg wire 7 in the hole is led out of the blast hole 1 and a safe distance is reserved, finally, a filling material 5 is filled and compacted at the top end of the blast hole 1, a control connector 8 is connected with a detonator, the detonator 6 is controlled to detonate the detonating bomb 6, after the main explosive package 2 is detonated, the secondary explosive package 4 is detonated, so that a hard rock stratum is effectively crushed, the air, save time, convenient operation easily masters, helps improving the efficiency of construction, need not to set up a plurality of detonating bullets 6, saves detonating equipment, reduces the blasting cost, and the installation blasting inefficiency and the problem with high costs that exist among the prior art have specifically been solved to this embodiment.
As shown in fig. 1: a detonating cord 9 is arranged in the propellant charge 4, the detonating cord 9 penetrates through the filling material 5 and extends to the top of the blast hole 1, and a ground surface detonator 10 is arranged on one side of the detonating cord 9 away from the propellant charge 4;
further, in the above technical solution, the bottom end of the detonating cord 9 is arranged at a position 9m away from the bottom end of the blast hole 1;
further, in the above technical scheme, the detonating cord 9 is bound and fixedly connected with the surface detonator 10;
the implementation mode is specifically as follows: after main explosive package 2 detonates, the sympathetic detonation is by explosive package 4, by explosive package 4 ignition detonating cord 9, detonating cord 9 burning spreads to the junction with earth's surface detonator 10 to detonate the earth's surface detonator, through observing the condition of detonating of earth's surface detonator, know the condition of detonating by explosive package 4, improve the security of construction, can get rid of detonating cord 9 simultaneously and take place the detonation rather than the detonation and lead to the misjudgment, the not detailed problem of the condition of detonating by explosive package 4 that this embodiment specifically has solved buried underground.
This practical theory of operation:
referring to the attached drawings 1-2 of the specification, a 17m deep blast hole 1 is drilled by a drilling machine, a 5.5m thick primary explosive package 2 is installed inside the blast hole 1, an air space layer 3 is placed at the top of the primary explosive package 2, namely, a PPS plastic air-filled bulge filled with air is filled, the thickness of the bulge is filled to be 1.5m, a 5.5m thick secondary explosive package 4 is placed at the top of the air space layer 3, when the primary explosive package 2 is placed, a detonating bomb 6 is placed inside the primary explosive package, the detonating bomb 6 is connected with a detonator leg wire 7 in the hole, then the detonator leg wire 7 in the hole is led out of the blast hole 1 and a safety distance is reserved, finally, a filling material 5 is filled and compacted at the top end of the blast hole 1, a control connector 8 is connected with a detonator, the detonator is controlled to detonate the detonating bomb 6, and the secondary explosive package 4 is detonated after the primary explosive;
referring to the attached figure 1 of the specification, after the main explosive package 2 is detonated, the explosive package 4 ignites the detonating cord 9, the detonating cord 9 burns and spreads to the joint with the surface detonator 10, so that the surface detonator is detonated, the detonation condition of the explosive package 4 is known by observing the detonation condition of the surface detonator, and meanwhile misjudgment caused by detonation instead of detonation of the detonating cord 9 can be eliminated.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.
Claims (7)
1. A novel interval charging structure based on sympathetic detonation comprises a blast hole (1), and is characterized in that: the bottom of the blasting hole (1) is provided with a main blasting charge (2), the top of the main blasting charge (2) is provided with an air spacer layer (3), the top of the air spacer layer (3) is provided with a to-be-blasted charge (4), the top of the to-be-blasted charge (4) is provided with a filling material (5), a blasting bomb (6) is arranged inside the main blasting charge (2), the connecting end of the blasting bomb (6) is provided with an in-hole blasting charge leg (7), the in-hole blasting charge leg (7) sequentially penetrates through the main blasting charge (2), the air spacer layer (3), the to-be-blasted charge (4) and the filling material (5) from bottom to top and extends to the top of the blasting hole (1), one end, far away from the blasting bomb (6), of the in-hole blasting charge leg (7) is provided with a control connector (8);
an explosion wire (9) is arranged in the to-be-fired charge (4), the explosion wire (9) penetrates through the filling material (5) and extends to the top of the blasting hole (1), and a ground surface detonator (10) is arranged on one side, far away from the to-be-fired charge (4), of the explosion wire (9).
2. A novel spaced charge structure based on sympathetic detonation according to claim 1, characterized in that: the air spacing layer (3) is composed of a plurality of air filling bulges, the air filling bulges are made of PPS plastic, and the length, the width and the height of the volume specification of the inflated air filling bulges are respectively set to be 34cm, 17cm and 40 cm.
3. A novel spaced charge structure based on sympathetic detonation according to claim 1, characterized in that: the main explosive package (2), the air spacer layer (3), the to-be-fired explosive package (4) and the filling material (5) are attached to the inner wall of the blast hole (1), and the filling material (5) is prepared by mixing soil and gravel.
4. A novel spaced charge structure based on sympathetic detonation according to claim 1, characterized in that: the thicknesses of the main explosive package (2), the air spacing layer (3), the to-be-fired explosive package (4) and the filling material (5) are set to be 5.5m, 1.5m, 5.5m and 4.5m in sequence.
5. A novel spaced charge structure based on sympathetic detonation according to claim 1, characterized in that: the number of the blast holes (1) is set to be a plurality, and the detonation network of the detonation bomb (6) in the blast holes (1) is set to be a fishbone network.
6. A novel spaced charge structure based on sympathetic detonation according to claim 1, characterized in that: the detonation bomb (6) is arranged 2m away from the bottom end of the blast hole (1), and the bottom end of the detonating cord (9) is arranged 9m away from the bottom end of the blast hole (1).
7. A novel spaced charge structure based on sympathetic detonation according to claim 1, characterized in that: the detonating bullet (6) is electrically connected with the detonator through a detonator leg wire (7) in the hole, and the detonating fuse (9) is fixedly connected with the surface detonator (10) in a binding manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922438379.5U CN211783096U (en) | 2019-12-30 | 2019-12-30 | Novel spaced charging structure based on sympathetic detonation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922438379.5U CN211783096U (en) | 2019-12-30 | 2019-12-30 | Novel spaced charging structure based on sympathetic detonation |
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| Publication Number | Publication Date |
|---|---|
| CN211783096U true CN211783096U (en) | 2020-10-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922438379.5U Expired - Fee Related CN211783096U (en) | 2019-12-30 | 2019-12-30 | Novel spaced charging structure based on sympathetic detonation |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115127412A (en) * | 2022-07-19 | 2022-09-30 | 中国人民解放军陆军工程大学 | Small-distance explosive-charging explosion-proof device in hard rock hole |
-
2019
- 2019-12-30 CN CN201922438379.5U patent/CN211783096U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115127412A (en) * | 2022-07-19 | 2022-09-30 | 中国人民解放军陆军工程大学 | Small-distance explosive-charging explosion-proof device in hard rock hole |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201027 |
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| CF01 | Termination of patent right due to non-payment of annual fee |