Multi-crack-surface instantaneous bursting device
阅读说明:本技术 多裂面瞬时胀裂器 (Multi-crack-surface instantaneous bursting device ) 是由 何满潮 张权 郭山 郭志飚 陶志刚 于 2019-12-06 设计创作,主要内容包括:本公开涉及爆破技术领域,尤其涉及一种多裂面瞬时胀裂器。多裂面瞬时胀裂器包括:多裂面切缝管,所述多裂面切缝管的管壁上设置有多个在周向上间隔排布的聚能区,所述聚能区包括多个在所述多裂面切缝管轴向上间隔排布的聚能孔,其中,多个聚能区包括多对聚能区,每对聚能区中的两者在所述多裂面切缝管的径向上相对设置;胀裂件,所述胀裂件设于所述多裂面切缝管内。本公开提供的多裂面瞬时胀裂器具有多裂面胀裂、安全性高、胀裂效果好、破岩噪声小、制造成本低的优点。(The disclosure relates to the technical field of blasting, in particular to a multi-crack-surface instantaneous bursting device. The multi-fracture-surface instantaneous bursting device comprises: the pipe wall of the multi-fracture-surface slit pipe is provided with a plurality of energy gathering areas which are arranged at intervals in the circumferential direction, each energy gathering area comprises a plurality of energy gathering holes which are arranged at intervals in the axial direction of the multi-fracture-surface slit pipe, each energy gathering area comprises a plurality of pairs of energy gathering areas, and the energy gathering areas are oppositely arranged in the radial direction of the multi-fracture-surface slit pipe; and the expansion part is arranged in the multi-crack-surface joint cutting pipe. The multi-crack instantaneous bursting device has the advantages of multi-crack bursting, high safety, good bursting effect, small rock breaking noise and low manufacturing cost.)
1. A multi-split instantaneous expander, comprising:
the pipe wall of the multi-fracture-surface slit pipe is provided with a plurality of energy gathering areas which are arranged at intervals in the circumferential direction, each energy gathering area comprises a plurality of energy gathering holes which are arranged at intervals in the axial direction of the multi-fracture-surface slit pipe, each energy gathering area comprises a plurality of pairs of energy gathering areas, and the energy gathering areas are oppositely arranged in the radial direction of the multi-fracture-surface slit pipe;
and the expansion part is arranged in the multi-crack-surface joint cutting pipe.
2. The multi-split instant cracker of claim 1, wherein said multi-split slit tube is circular in radial cross-section.
3. The multi-split transient expander of claim 1, wherein a plurality of said energy concentrating zones are equally spaced circumferentially of said multi-split slit tube.
4. The multi-split transient expander of claim 1, wherein a plurality of said shaped orifices in said shaped zone are equally spaced axially of said multi-split slit tube.
5. The multi-split instant cracker of claim 1, wherein said shaped holes are circular holes.
6. The multi-split instantaneous expander of claim 1, further comprising: the first coupling medium part and the second coupling medium part are positioned in the multi-crack surface kerf pipe and are arranged at intervals in the axial direction;
wherein the bursting element is disposed between the first and second coupling medium portions.
7. The multi-split instant cracker according to claim 1, wherein both ends of said multi-split slit tube are provided with a connection portion, respectively.
8. The multi-split instant cracker of claim 7, wherein said connecting portion is provided with a snap groove.
9. The multi-split transient expander of claim 1, wherein said expander comprises:
the accommodating pipe is arranged in the spalling piece;
the bursting agent is arranged in the containing pipe;
the first lead, the trigger head and the second lead are respectively connected with the positive electrode and the negative electrode of the trigger head;
and the third lead is positioned between the outer wall of the accommodating pipe and the inner wall of the multi-fracture-surface lancing pipe, and penetrates through the multi-fracture-surface instantaneous bursting device.
10. The multi-split instantaneous expander of claim 9, wherein said expander further comprises at least two fixing portions, said fixing portions respectively passing through said energy-concentrating holes for limiting said accommodating tube.
Technical Field
The disclosure relates to the technical field of blasting, in particular to a multi-crack-surface instantaneous bursting device.
Background
At present, geotechnical engineering such as weakening of hard roofs and hard top coals in coal mines, tunnel drilling and blasting excavation, boulder treatment in roadbeds and the like all need to form a plurality of cracks in rock bodies. However, the traditional explosive rock breaking technology has a series of problems of difficult examination and approval, high transportation risk, difficult control of blasting energy, high noise, uncontrollable number and direction of splitting surfaces and the like. Therefore, it is urgently needed to find an alternative to explosive.
It is to be noted that the information disclosed in the above background section is only for enhancement of understanding of the background of the present disclosure, and thus may include information that does not constitute prior art known to those of ordinary skill in the art.
Disclosure of Invention
The multi-fracture-surface instantaneous spalling device can achieve multi-fracture-surface spalling, and is high in safety, low in rock breaking noise and low in manufacturing cost.
The present disclosure provides a multi-split instantaneous expander, comprising:
the pipe wall of the multi-fracture-surface slit pipe is provided with a plurality of energy gathering areas which are arranged at intervals in the circumferential direction, each energy gathering area comprises a plurality of energy gathering holes which are arranged at intervals in the axial direction of the multi-fracture-surface slit pipe, each energy gathering area comprises a plurality of pairs of energy gathering areas, and the energy gathering areas are oppositely arranged in the radial direction of the multi-fracture-surface slit pipe;
and the expansion part is arranged in the multi-crack-surface joint cutting pipe.
In an exemplary embodiment of the present disclosure, the multi-split slit tube is circular in radial cross-section.
In an exemplary embodiment of the present disclosure, a plurality of the energy concentrating zones are disposed at equal intervals in a circumferential direction of the multi-split slit tube.
In an exemplary embodiment of the disclosure, the plurality of energy concentrating holes in the energy concentrating zone are arranged at equal intervals in the axial direction of the multi-split slit tube.
In an exemplary embodiment of the disclosure, the multi-split instant expander according to
In an exemplary embodiment of the present disclosure, the multi-split transient expander further comprises: the first coupling medium part and the second coupling medium part are positioned in the multi-crack surface kerf pipe and are arranged at intervals in the axial direction;
wherein the bursting element is disposed between the first and second coupling medium portions.
In an exemplary embodiment of the present disclosure, the multi-split slit tube is provided at both ends thereof with connection parts, respectively.
In an exemplary embodiment of the present disclosure, a card slot is provided on the connection portion.
In an exemplary embodiment of the present disclosure, the expansion element comprises:
the accommodating pipe is arranged in the spalling piece;
the bursting agent is arranged in the containing pipe;
the first lead, the trigger head and the second lead are respectively connected with the positive electrode and the negative electrode of the trigger head;
and the third lead is positioned between the outer wall of the accommodating pipe and the inner wall of the multi-fracture-surface lancing pipe, and penetrates through the multi-fracture-surface instantaneous bursting device.
In an exemplary embodiment of the disclosure, the bursting part further comprises at least two fixing parts, and the fixing parts respectively penetrate through the energy gathering holes and are used for limiting the accommodating pipe.
The technical scheme provided by the disclosure can achieve the following beneficial effects:
the instant multi-fracture-surface spaller comprises a multi-fracture-surface slit pipe and a spalling piece. Compared with the traditional explosive rock breaking technology, on one hand, the spalling piece in the multi-fracture-surface instantaneous spaller provided by the disclosure is positioned in the multi-fracture-surface cutting pipe, so that the spalling piece is low in noise generated in the spalling process and has higher safety in the working and transportation processes; on the other hand, the multi-fracture instantaneous bursting device is provided with a plurality of energy-gathering holes which are arranged at intervals in the axial direction of the multi-fracture slit pipe, so that high-temperature gas generated by the bursting piece can be discharged through the energy-gathering holes, and the high-temperature gas discharged from the energy-gathering holes has large impact force due to the small area of the energy-gathering holes, so that the bursting effect is more obvious. Each row of energy-gathering holes which are arranged at intervals in the axial direction of the multi-fracture surface instantaneous bursting device form an energy-gathering area, a plurality of energy-gathering areas form a plurality of pairs of energy-gathering areas, two energy-gathering areas in each pair of energy-gathering areas are oppositely arranged in the radial direction of the multi-fracture surface slit pipe, so that a plurality of fracture surfaces can be simultaneously formed in the multi-fracture surface instantaneous bursting device in the bursting process, and the direction and the number of the formed fracture surfaces can be controlled by limiting the position and the number of the energy-gathering areas.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and together with the description, serve to explain the principles of the application. It is obvious that the drawings in the following description are only some embodiments of the application, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.
FIG. 1 shows an overall schematic view of a burst tube of a transient burster according to an exemplary embodiment of the present disclosure;
FIG. 2 shows a schematic partial cross-sectional view of a fractured tube of a transient burster in accordance with an exemplary embodiment of the present disclosure;
FIG. 3 illustrates a schematic view of a transient expander lancing effect according to an exemplary embodiment of the present disclosure;
FIG. 4 shows an overall schematic view of a double-split slit tube according to an exemplary embodiment of the present disclosure;
FIG. 5 shows a schematic partial cross-sectional view of a double-split slit tube according to an exemplary embodiment of the present disclosure;
FIG. 6 illustrates a dual split face transient expander lancing effect schematic according to an exemplary embodiment of the present disclosure;
FIG. 7 shows an overall schematic view of a tri-slitted slit tube according to an exemplary embodiment of the present disclosure;
FIG. 8 shows a schematic partial cross-sectional view of a tri-slitted slit tube according to an exemplary embodiment of the present disclosure;
FIG. 9 illustrates a three-split instantaneous expander lancing effect schematic according to an exemplary embodiment of the present disclosure;
FIG. 10 shows a schematic of a single joint multi-split transient expander internal structure according to an exemplary embodiment of the present disclosure;
fig. 11-17 show schematic diagrams of a multi-split transient expander method of use according to an exemplary embodiment of the present disclosure.
Description of reference numerals:
1. an instantaneous spaller; 2. double-crack-surface slit pipes; 3. a three-crack surface slit pipe; 4. crack surfaces; 5. the pipe is instantaneously cracked by multiple cracks; 6. drilling; 7. stemming; 8. a current inducing device; 9. a rock wall; 21. an energy gathering hole; 22. a connecting portion; 51. a first coupling medium section; 52. a second coupling medium section; 53. a spalling member; 531. accommodating the tube; 532. a bursting agent; 533. a first lead; 534. a second lead; 535. a third lead; 536. a hair-inducing head; 537. a fixed part.
Detailed Description
Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The same reference numerals in the drawings denote the same or similar structures, and thus their detailed description will be omitted.
Although relative terms, such as "upper" and "lower," may be used in this specification to describe one element of an icon relative to another, these terms are used in this specification for convenience only, e.g., in accordance with the orientation of the examples described in the figures. It will be appreciated that if the device of the icon were turned upside down, the element described as "upper" would become the element "lower". When a structure is "on" another structure, it may mean that the structure is integrally formed with the other structure, or that the structure is "directly" disposed on the other structure, or that the structure is "indirectly" disposed on the other structure via another structure.
The terms "a," "an," "the," "said" are used to indicate the presence of one or more elements/components/etc.; the terms "comprising" and "having" are intended to be inclusive and mean that there may be additional elements/components/etc. other than the listed elements/components/etc.; the terms "first" and "second", etc. are used merely as labels, and are not limiting on the number of their objects.
To solve the problems of the conventional explosive rock breaking technology, the inventor firstly provides an instant cracker 1 (as shown in fig. 1 and 2), and specifically, the
The problem that the instantaneous bursting device cannot form crack surfaces 4 with certain quantity and direction on a
In detail, the multi-fracture instantaneous cracking device of the present embodiment may include a
In addition, the tube wall of the
The plurality of energy gathering areas can be arranged on the circumferential surface of the multi-fracture surface slit
Where the plurality of energy concentrating zones are equally spaced and the multi-split slit tube 5 has a circular radial cross-section, the angle of separation between two adjacent energy concentrating zones may be (360/2N) ° for example, as shown in fig. 4 and 5, the multi-split slit tube 5 may be a double-split slit tube 2, i.e., N may be 2, the double-split slit tube 2 having two pairs of energy concentrating zones, where the angle α between two adjacent energy concentrating zones is 90 °, so that a double-split instantaneous expander employing the double-split slit tube 2 may form two fracture faces 4 on the rock wall 9, the fracture faces 4 being shown by dashed lines in fig. 6, the multi-split slit tube 5 may be a tri-split slit tube 3, i.e., N may be 3, the tri-split slit tube 3 having three pairs of energy concentrating zones, where the angle β between two adjacent energy concentrating zones is 60 °, so that a tri-split pipe 3 employing a tri-split instantaneous expander of the pipe 3 may form three pairs of energy concentrating zones on the rock wall 9, and thereby enabling the multi-split tube 5 to withstand the same instantaneous expansion force on each of the multi-split faces 4, as shown by dashed lines in fig. 7 and 8.
Optionally, the number of the energy gathering holes 21 on the two energy gathering areas in each pair of energy gathering areas can be the same, so that high-temperature gas generated instantly after the bursting
Further, the two energy-gathering areas in each pair of energy-gathering areas can be arranged oppositely in the radial direction of the multi-fracture surface slit
It should be understood that the shape of the radial cross section of the
Further, as shown in fig. 4 and 7, the aforementioned shaped
As shown in fig. 10, in this embodiment, the bursting
The solid cylindrical granular expanding
As shown in fig. 10, the lead wire in the single
When only a single multi-slitted face slit
Further, as shown in fig. 17, when a plurality of multi-split instant crackers are combined, one of the
Where the inside diameter of
The bursting
Preferably, as shown in fig. 10, the
In this embodiment, the multi-split transient expander further comprises a first
Further, the first
The use method of the multiple multi-crack instantaneous bursting device in the implementation of the example comprises the following steps:
step S100, as shown in fig. 11, first a
Step S110, before the first multi-split instant cracker is placed in the bottom of the
Step S120, as shown in fig. 12, a first multi-fracture instant cracker is sent to a suitable location in the
Step S130, one end of the lead of the second multi-split transient expander (i.e. the
Step S140, as shown in fig. 13, after the first multi-split instantaneous bursting device and the second multi-split instantaneous bursting device are connected, they are pushed to the proper position in the
Step S150, as shown in fig. 14, the installation of the 3 rd, 4 th, … th, N multi-split instantaneous burst devices is performed according to steps S110, S120, and S130. The installation method of the N multi-fracture-surface instantaneous expanding devices is not limited to the method, and the N multi-fracture-surface instantaneous expanding devices can be spliced outside the
Step S160, as shown in fig. 15, pushes all the multi-split instant spallers into the
Step S170, as shown in fig. 16, after the front end of the first multi-fracture instantaneous spaller abuts against the bottom of the
Step S180, as shown in fig. 17, connects the lead of the last multi-fracture instantaneous expander to the current trigger 8, that is, the
Other embodiments of the present application will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the application and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the application being indicated by the following claims.
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