CN217032224U

CN217032224U - Novel high slope deep hole blasting structure

Info

Publication number: CN217032224U
Application number: CN202220502264.7U
Authority: CN
Inventors: 付义; 任键; 潘阳; 王杨
Original assignee: Benxi Liuhe Construction Engineering Co ltd
Current assignee: Benxi Liuhe Construction Engineering Co ltd
Priority date: 2022-03-08
Filing date: 2022-03-08
Publication date: 2022-07-22
Anticipated expiration: 2032-03-08

Abstract

The utility model discloses a novel high-slope deep hole blasting structure, which belongs to the technical field of deep hole blasting, wherein a barrel filled with gunpowder is placed in a blasting hole, a limiting mechanism convenient for fixing the barrel on the inner wall of the blasting hole is arranged on the outer wall of the barrel, a first detonator and a second detonator are arranged in the barrel at intervals, an upper air interlayer and a lower air interlayer which are positioned in the barrel are respectively arranged on the upper side and the lower side of each detonator, and a first sealing layer which plays a role in guiding and protecting the blasting direction is arranged between the first lower air interlayer and the second upper air interlayer. The barrel is fixed on the inner wall of the blast hole through the pneumatic structure, so that the barrel with the detonator is convenient for workers to install, and the position of the barrel in the blast hole can be flexibly adjusted and fixed according to the explosion requirement, so that the installation time of the detonator is saved, and the working efficiency is improved.

Description

Novel high slope deep hole blasting structure

Technical Field

The utility model relates to the technical field of deep hole blasting, in particular to a novel high slope deep hole blasting structure.

Background

Blasting is a technology for achieving the expected purpose by utilizing the compression, loosening, destruction, throwing and killing effects generated by the explosion of explosives in air, water, earth and stone media or objects, and under the condition that certain mountains are high and steep, deep hole blasting is considered so as to be convenient for people to utilize a high slope area;

the existing deep hole blasting structure needs to put a detonator into a blasting hole before blasting, the preparation working time before blasting is longer due to the fact that the detonator is troublesome to install, and in addition, when the detonator is blasted, partial energy of the two detonators is offset due to the fact that the detonator cannot guide the blasting direction of the detonator, and the blasting effect of the detonator is influenced.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

The utility model aims to provide a novel high slope deep hole blasting structure to solve the problems in the background technology.

2. Technical scheme

In order to solve the problems, the utility model adopts the following technical scheme:

a novel high slope deep hole blasting structure comprises a blast hole, a barrel body filled with gunpowder is placed inside the blast hole, and the outer wall of the cylinder body is provided with a limiting mechanism which is convenient for the cylinder body to be fixed on the inner wall of the blast hole, the inside of the cylinder body is provided with a first detonator and a second detonator which are arranged at intervals, and the first detonator and the second detonator are respectively provided with a first detonating cord and a second detonating cord, one end of each detonating cord is positioned outside the blast hole, the upper side and the lower side of the first detonator are respectively provided with a first upper air interlayer and a first lower air interlayer which are positioned in the cylinder body, the upper side and the lower side of the second detonator are respectively provided with a second upper air interlayer and a second lower air interlayer which are positioned in the cylinder body, a first sealing layer which plays a role in guiding and protecting the explosion direction is arranged between the first lower air interlayer and the second upper air interlayer, the lower air interlayer II is communicated with the blasting hole, and a second blocking layer which is positioned above the upper air interlayer I and plays a role in guiding and protecting the blasting direction is arranged in the barrel.

Furtherly, stop gear locates annular gasbag one, annular gasbag two on the both ends lateral wall about the barrel including fixed cover, annular gasbag one is connected and feeds through with annular gasbag two through pipeline one, and is equipped with the pipeline two in the extensible to the blast hole outside on the annular gasbag one, the free end of pipeline two is connected with pipeline three through detachable coupling mechanism, and the one end of pipeline three installs and presses the gasbag, it is used for pressing the inside gaseous one-way valve one of gasbag to the three inside of pipeline to be equipped with on the tip that is connected with pipeline three to press the gasbag, and presses still to install on the gasbag and be used for carrying out the one-way transmission of external atmosphere to pressing the inside one-way valve two of gasbag, pipeline two is located and installs the valve that can carry out the shutoff to pipeline two on the position in the blast hole outside.

Furthermore, an exhaust valve is installed on the third pipeline.

Furthermore, the connecting mechanism comprises a first connecting block and a second connecting block which are connected in a threaded manner, a sealing ring is arranged on the end face of the first connecting block, which is in butt joint with the second connecting block, the first connecting block is fixedly arranged on the third pipeline, and the second connecting block is fixedly arranged on the second pipeline.

Further, the inside of barrel is equipped with two sets ofly and with the shutoff layer one-to-one and be used for supporting the supporting component inside the barrel with corresponding shutoff layer, and supporting component is including laminating backup pad upper end about corresponding shutoff layer respectively, every backup pad, detonator all run through the locking screw of barrel lateral wall through the screw thread formula and are fixed in the inside of barrel, every one side of backup pad corresponding detonator dorsad all corresponds the locking screw that the number is two at least, and the upper and lower both sides of every detonator correspond the locking screw that the number is two at least respectively, every locking screw's lateral wall all laminates with a lateral wall of corresponding backup pad, the upper and lower both sides wall of detonator.

Furthermore, the first detonating cord and the second detonating cord are connected with a detonating detonator together at the outer side of the blast hole, the detonating detonator is an electronic detonator with a time delay function, and the first detonator and the second detonator are non-electronic detonators.

3. Advantageous effects

1. According to the utility model, the air bag is pressed through extrusion, so that the gas in the air bag can sequentially enter the pipeline II, the annular air bag I, the pipeline I and the annular air bag II through the check valve I, and the gas continuously enters the annular air bag I and the annular air bag II, so that the volumes of the annular air bag I and the annular air bag II are increased, and finally the outer side walls of the annular air bag I and the annular air bag II can be tightly attached to the inner wall of the blast hole under the extrusion action of the gas, so that the barrel can be fixed on the inner wall of the blast hole.

2. In addition, in order to prevent gas in the annular gas bag from leaking out of the second pipeline after the third pipeline is separated from the second pipeline, a valve on the second pipeline can be closed in advance before the third pipeline is not separated from the second pipeline, so that the gas in the annular gas bag can be blocked, and the bonding effect of the annular gas bag and the blasting hole is ensured.

3. In the utility model, the upper side and the lower side of each detonator are respectively and correspondingly provided with an upper air interlayer and a lower air interlayer, the arrangement provides enough blasting space for the detonators, and is favorable for better blasting of the detonators, in addition, through the arrangement of the first sealing layer between the first detonator and the second detonator, a guiding effect can be realized on the blasting direction of the detonators, even if the blasting energy can be better dispersed to the periphery along the upper end surface and the lower end surface of the first sealing layer, more blasting energy can be applied to blasting objects, and simultaneously, the influence on adjacent detonators during blasting by the detonators can be reduced, and in addition, in order to reduce the energy waste of the first detonator above the barrel during blasting, the second sealing layer is arranged at the opening at the top end of the barrel.

4. In the utility model, through the threaded connection of the locking screw and the side wall of the barrel body, one end of the locking screw can be conveniently inserted into the barrel body and can support and limit the supporting plate and the detonator which are positioned in the barrel body, thereby realizing the locking and fixing of the supporting plate and the detonator.

5. In the embodiment, two non-electronic detonators are arranged in one blasting hole, and the two non-electronic detonators are connected with one electronic detonator through a detonating cord, so that one electronic detonator can start the two non-electronic detonators in the same blasting hole to explode after being detonated, the cost for blasting can be reduced, and the used electronic detonators have accurate hole extension time function, so that the blasting can be started smoothly.

Drawings

FIG. 1 is a schematic front view of an internal structure of the present invention in embodiment 1;

FIG. 2 is a schematic view of a portion of FIG. 1;

FIG. 3 is a schematic structural view of the connection between the second pipe and the third pipe;

FIG. 4 is a schematic view of a portion of FIG. 2;

fig. 5 is a schematic front view of an internal structure in embodiment 2 of the present invention.

Reference numerals: 2. a blast hole; 3. a barrel; 4. a first detonator; 5. a second detonator; 6. an upper air interlayer I; 7. a first lower air interlayer; 8. an upper air interlayer II; 9. a second lower air interlayer; 10. a first blocking layer; 11. a support plate; 12. locking the screw; 13. a second blocking layer; 14. a first detonating cord; 15. a second detonating cord; 16. detonating the detonator; 17. a first annular air bag; 18. a second annular air bag; 19. a first pipeline; 20. a second pipeline; 21. a third pipeline; 22. a first connecting block; 23. a second connecting block; 24. a valve; 25. an exhaust valve; 26. pressing the air bag; 27. a one-way valve I; 28. and a second one-way valve.

Detailed Description

The present invention will be described in further detail with reference to the drawings and examples.

Example 1

As shown in fig. 1, 2 and 3, a novel high slope deep hole blasting structure comprises a blasting hole 2, a barrel 3 filled with gunpowder is placed inside the blasting hole 2, a limiting mechanism facilitating the barrel 3 to be fixed on the inner wall of the blasting hole 2 is arranged on the outer wall of the barrel 3, the limiting mechanism comprises a first annular air bag 17 and a second annular air bag 18 which are fixedly sleeved on the outer side walls of the upper end and the lower end of the barrel 3, the first annular air bag 17 is connected and communicated with the second annular air bag 18 through a first pipeline 19, a second pipeline 20 which can extend to the outer side of the blasting hole 2 is arranged on the first annular air bag 17, the free end of the second pipeline 20 is connected with a third pipeline 21 through a detachable connecting mechanism, a pressing air bag 26 is installed at one end of the third pipeline 21, a first check valve 27 for unidirectionally transmitting the gas inside the pressing air bag 26 to the inside of the third pipeline 21 is arranged at the end of the pressing air bag 26 connected with the third pipeline 21, and a one-way valve II 28 for unidirectionally transmitting the outside atmosphere to the interior of the pressing airbag 26 is further installed on the pressing airbag 26, a valve 24 capable of plugging the pipeline II 20 is installed on the part of the pipeline II 20, which is located outside the blast hole 2, when the valve 24 is in an open state, gas can enter the annular airbag I17 through the pipeline II 20, at the moment, the pressing airbag 26 is pressed to enable the gas in the pressing airbag 26 to enter the pipeline II 20 through the one-way valve I27, then enter the annular airbag I17 along the pipeline II 20, and along with the continuous pressing of the pressing airbag 26, the gas can enter the pipeline I19 through the annular airbag I17 and finally enter the annular airbag II 18, and because the gas continuously enters the annular airbag I17 and the annular airbag II 18, the volume of the annular airbag is increased, the outer side walls of the annular airbag I17 and the annular airbag II 18 can be tightly attached to the inner wall of the blast hole 2 under the pressing action of the gas, the barrel 3 can be fixed inside the blast hole 2, and the barrel 3 is fixed on the inner wall of the blast hole 2 through the pneumatic structure, so that the barrel 3 with the detonator can be conveniently installed by workers, and the position of the barrel 3 in the blast hole 2 can be flexibly adjusted and fixed by people according to explosion requirements, so that the installation time of the detonator is saved, and the working efficiency is improved;

as shown in fig. 3, the third pipeline 21 is provided with a vent valve 25, and through the opening of the vent valve 25, the gas in the annular air bag can be released to provide favorable conditions for the adjustment of the position of the barrel 3 in the blast hole 2;

as shown in fig. 3, the connection mechanism includes two connection blocks one 22 and two connection blocks two 23 which are screwed together by screw threads, and a sealing ring is arranged on the end surface of the connection block one 22 in butt joint with the connection block two 23, the connection block one 22 is fixed on the pipeline three 21, and the connection block two 23 is fixed on the pipeline two 20, through the screw thread screwing of the connection block one 22 and the connection block two 23, the assembly and connection of the pipeline three 21 and the pipeline two 20 are facilitated, the arrangement enables people to separate the pipeline three 21 from the pipeline two 20 before the blasting operation starts, so that the pipeline three 21 and the pressing air bag 26 can be used circularly, the environmental protection performance of the deep hole blasting structure is improved, in addition, in order to prevent the gas in the annular air bag from leaking out of the pipeline two 20 after the pipeline three 21 is separated from the pipeline two 20, before the pipeline three 21 is not separated from the pipeline two 20, the valve 24 on the pipeline two 20 can be closed in advance, so as to seal the gas in the annular air bag and ensure the joint effect of the annular air bag and the blast hole 2.

As shown in fig. 1 and 2, a first detonator 4 and a second detonator 5 which are arranged at intervals are arranged in the barrel 3, a first detonating cord 14 and a second detonating cord 15 with one ends positioned at the outer side of the blast hole 2 are respectively arranged on the first detonator 4 and the second detonator 5, a first upper air interlayer 6 and a first lower air interlayer 7 which are positioned in the barrel 3 are respectively arranged at the upper side and the lower side of the first detonator 4, a second upper air interlayer 8 and a second lower air interlayer 9 which are positioned in the barrel 3 are respectively arranged at the upper side and the lower side of the second detonator 5, a first sealing layer 10 which has guiding and protecting effects on the blasting direction is arranged between the first lower air interlayer 7 and the second upper air interlayer 8, the second lower air interlayer 9 is communicated with the blast hole 2, a second sealing layer 13 which is positioned above the first upper air interlayer 6 and has guiding and protecting effects on the blasting direction is arranged in the barrel 3, and an upper air interlayer and a lower air interlayer are correspondingly arranged at the upper side and the lower side of each detonator, the arrangement gives enough space for the detonator, and is beneficial to better blasting of the detonator bag, in addition, through the arrangement of the first sealing layer 10 positioned between the first detonator 4 and the second detonator 5, a guiding effect can be realized on the blasting direction of the detonator, even if the blasting energy can be better dispersed to the periphery along the upper end surface and the lower end surface of the first sealing layer 10, more blasting energy can be acted on a blasting object, and simultaneously, the influence on the adjacent detonator caused by the blasting of the detonator can be reduced, and in addition, in order to reduce the energy waste of the first detonator 4 positioned above the barrel body 3 during blasting, the second sealing layer 13 is arranged at the opening at the top end of the barrel body 3;

as shown in fig. 1, 2 and 4, the inside of the barrel 3 is provided with two sets of supporting components which correspond to the sealing layers one by one and are used for supporting the corresponding sealing layers in the barrel 3, each supporting component comprises a supporting plate 11 which is respectively attached to the upper end and the lower end of the corresponding sealing layer, each supporting plate 11 and each detonator are fixed in the barrel 3 through locking screws 12 which penetrate through the side wall of the barrel 3 in a threaded manner, one side of each supporting plate 11, which is back to the corresponding detonator, is corresponding to at least two locking screws 12, the upper side and the lower side of each detonator are respectively corresponding to at least two locking screws 12, the side wall of each locking screw 12 is attached to one side wall of the corresponding supporting plate 11 and the upper side wall and the lower side wall of the detonator, and one end of each locking screw 12 is conveniently inserted into the barrel 3 and aligned to the supporting plate 11, which is positioned in the barrel 3 through threaded connection of the locking screws 12 and the side wall of the barrel 3, The detonator is supported and limited, so that the detonator is locked and fixed to the supporting plate 11 and the detonator, the detonator and the supporting plate 11 are convenient to install, the time for preparation work before blasting can be saved, and the blasting work can be rapidly unfolded.

Example 2

Example 2 differs from example 1 in that: as shown in fig. 5, the first detonating cord 14 and the second detonating cord 15 are connected with the detonating primer 16 at the outer side of the blast hole 2 together, and the detonating primer 16 is an electronic primer with a time-delay function, the first detonator 4 and the second detonator 5 are non-electronic primers, because the price of the electronic primer is much higher than that of the non-electronic primer, and the arrangement of placing two electronic primers in one blast hole 2 is mostly adopted in the general deep hole blasting, which greatly increases the blasting cost, in this embodiment, two non-electronic primers are placed in one blast hole 2, and two non-electronic primers are connected with one electronic primer through the detonating cord, the arrangement enables one electronic primer to start two non-electronic primers in the same blast hole 2 to explode after being detonated, which not only reduces the blasting cost, but also has an accurate hole extension function through the used electronic primer, so that the blasting can be smoothly started.

The rest is the same as in example 1.

It should be understood by those skilled in the art that the above embodiments are only for illustrating the present invention and are not to be used as a limitation of the present invention, and that changes and modifications to the above embodiments may fall within the scope of the appended claims within the spirit of the present invention.

Claims

1. A novel high slope deep hole blasting structure comprises a blasting hole (2), and is characterized in that a barrel (3) filled with gunpowder is placed inside the blasting hole (2), a limiting mechanism facilitating the barrel to be fixed on the inner wall of the blasting hole (2) is arranged on the outer wall of the barrel (3), a first detonator (4) and a second detonator (5) which are arranged at intervals are arranged inside the barrel (3), a first detonating cord (14) and a second detonating cord (15) with one ends positioned outside the blasting hole (2) are respectively arranged on the first detonator (4) and the second detonator (5), a first upper air interlayer (6) and a first lower air interlayer (7) which are positioned inside the barrel (3) are respectively arranged on the upper side and the lower side of the first detonator (4), a second upper air interlayer (8) and a second lower air interlayer (9) which are positioned inside the barrel (3) are respectively arranged on the upper side and the lower side of the second detonator (5), be equipped with down between air interlayer one (7) and the last air interlayer two (8) and play direction and the blocking layer one (10) of guard action to the explosion direction, lower air interlayer two (9) and blast hole (2) intercommunication, the inside of barrel (3) is equipped with and is located air interlayer one (6) top and play direction and guard action's blocking layer two (13) to the explosion direction.

2. The novel high slope deep hole blasting structure according to claim 1, wherein the limiting mechanism comprises a first annular air bag (17) and a second annular air bag (18) fixedly sleeved on outer side walls of upper and lower ends of the barrel (3), the first annular air bag (17) is connected and communicated with the second annular air bag (18) through a first pipeline (19), a second pipeline (20) capable of extending to the outer side of the blasting hole (2) is arranged on the first annular air bag (17), a third pipeline (21) is connected to a free end of the second pipeline (20) through a detachable connecting mechanism, a pressing air bag (26) is installed at one end of the third pipeline (21), a first check valve (27) for unidirectionally transmitting gas inside the pressing air bag (26) to the inside of the third pipeline (21) is arranged on an end portion where the pressing air bag (26) is connected with the third pipeline (21), and a first check valve (27) for unidirectionally transmitting outside air to the inside of the pressing air bag (26) is further installed on the pressing air bag (26) The second pipeline (20) is provided with a valve (24) which can plug the second pipeline (20) at the position outside the blast hole (2).

3. The novel high slope deep hole blasting structure according to claim 2, wherein the third pipeline (21) is provided with an exhaust valve (25).

4. The novel high slope deep hole blasting structure of claim 2, wherein the connecting mechanism comprises a first connecting block (22) and a second connecting block (23) which are screwed in a threaded manner, a sealing ring is arranged on the end face of the butt joint of the first connecting block (22) and the second connecting block (23), the first connecting block (22) is fixedly arranged on a third pipeline (21), and the second connecting block (23) is fixedly arranged on a second pipeline (20).

5. The novel high slope deep hole blasting structure according to claim 1, two groups of supporting components which correspond to the plugging layers one by one and are used for supporting the corresponding plugging layers in the cylinder body (3) are arranged in the cylinder body (3), and the supporting component comprises supporting plates (11) which are respectively attached to the upper end and the lower end of a corresponding blocking layer, each supporting plate (11) and the detonator are fixed inside the barrel (3) through locking screws (12) which penetrate through the side wall of the barrel (3) in a threaded manner, each supporting plate (11) corresponds to at least two locking screws (12) on one side back to the corresponding detonator, the upper side and the lower side of each detonator correspond to at least two locking screws (12), and each locking screw (12) is attached to one side wall of the corresponding supporting plate (11) and the upper side wall and the lower side wall of the detonator.

6. The novel high slope deep hole blasting structure according to claim 1, wherein the first detonating cord (14) and the second detonating cord (15) are connected with the detonating primer (16) together at the outer side of the blast hole (2), the detonating primer (16) is an electronic primer with a time delay function, and the first detonator (4) and the second detonator (5) are non-electronic primers.