CN216845924U - One-time medium-length hole blasting well-forming hole distribution structure - Google Patents
One-time medium-length hole blasting well-forming hole distribution structure Download PDFInfo
- Publication number
- CN216845924U CN216845924U CN202220496882.5U CN202220496882U CN216845924U CN 216845924 U CN216845924 U CN 216845924U CN 202220496882 U CN202220496882 U CN 202220496882U CN 216845924 U CN216845924 U CN 216845924U
- Authority
- CN
- China
- Prior art keywords
- holes
- hole
- medicine loading
- medicine
- empty
- 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.)
- Active
Links
Images
Abstract
The utility model provides a well cloth hole structure is exploded into to a medium-length hole, include: the central medicine loading hole is arranged at the central position of the well forming working surface; the first empty holes are arranged around the center charging hole and provide compensation space for blasting of the center charging hole; the second medicine loading holes are positioned on the outer rings of the first empty holes and are arranged around the first empty holes; the plurality of third medicine loading holes are positioned on the outer rings of the plurality of second medicine loading holes and are arranged around the plurality of second medicine loading holes; the plurality of fourth empty holes are positioned on the outer rings of the plurality of third medicine loading holes and are arranged around the plurality of third medicine loading holes; the plurality of fifth medicine loading holes are positioned on the outer rings of the plurality of fourth empty holes and are arranged around the plurality of fourth empty holes; the plurality of sixth medicine loading holes are positioned on the outer rings of the plurality of fifth medicine loading holes and are arranged around the plurality of fifth medicine loading holes; the fourth empty holes provide compensation spaces for the second explosive loading holes, the third explosive loading holes, the fifth explosive loading holes and the sixth explosive loading holes during blasting; the technology realizes safe and efficient one-time well completion.
Description
Technical Field
The utility model relates to a well cloth hole structure is exploded into to a medium-length hole.
Background
In mining, the raise is used for connecting an upper horizontal channel and a lower horizontal channel, is used for lowering ore or rock, lifting and lowering equipment, materials, exploring materials and other materials, and can also be used for ventilation; the interval thickness between two levels is designed to be about 12 meters at present, blasting is carried out from bottom to top when a raise is opened, the normal blasting distance is 1-2 meters, after blasting is finished, blast holes are dug again for secondary blasting, the raise can be opened after multiple times, the construction time is long, and the raise can be opened normally after one month or more; in the process, a constructor needs to carry out multiple times of high-altitude operation through the suspension net, in addition, in the middle blasting process, the upper rock is easy to loosen, when the upper rock is dug out of a blast hole and the like again, the upper rock is easy to drop and smash the constructor or the suspension net, and safety accidents are easy to cause.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming above-mentioned defect, provide a well cloth hole structure is exploded into to a medium-length hole.
The utility model adopts the following technical scheme:
a kind of one medium-length hole blasting becomes the well hole distribution structure, including: the central medicine loading hole is arranged at the central position of the well forming working surface; the first empty holes are arranged around the center charging hole and provide compensation space for blasting of the center charging hole; the second medicine loading holes are positioned on the outer rings of the first empty holes and are arranged around the first empty holes; the plurality of third medicine loading holes are positioned on the outer rings of the plurality of second medicine loading holes and are arranged around the plurality of second medicine loading holes; the plurality of fourth empty holes are positioned on the outer rings of the plurality of third medicine loading holes and are arranged around the plurality of third medicine loading holes; the plurality of fifth medicine loading holes are positioned on the outer rings of the plurality of fourth empty holes and are arranged around the plurality of fourth empty holes; the plurality of sixth medicine loading holes are positioned on the outer rings of the plurality of fifth medicine loading holes and are arranged around the plurality of fifth medicine loading holes; and the fourth empty holes provide compensation spaces for the second explosive charging holes, the third explosive charging holes, the fifth explosive charging holes and the sixth explosive charging holes during blasting.
Preferably, the number of the first empty holes is 6, and the first empty holes are uniformly arranged around the center medicine loading hole; the number of the second medicine filling holes is 4, and the second medicine filling holes are uniformly arranged around the plurality of first empty holes; the number of the third medicine loading holes is 4, and the third medicine loading holes are uniformly arranged around the plurality of second medicine loading holes; the number of the fourth empty holes is 12, and the fourth empty holes are uniformly arranged around the plurality of second medicine loading holes; the number of the fifth medicine filling holes is 6, and the fifth medicine filling holes are uniformly arranged around the plurality of fourth empty holes; the number of the sixth medicine loading holes is 12, and the sixth medicine loading holes are uniformly arranged around the fifth medicine loading holes.
Preferably, the diameters of the central medicine loading hole, the second medicine loading hole, the third medicine loading hole, the fifth medicine loading hole and the sixth medicine loading hole are 76 mm; the diameter of the first hollow hole and the diameter of the fourth hollow hole are 120 mm.
Preferably, the first and fourth holes are through holes; the center medicine loading hole, the second medicine loading hole, the third medicine loading hole, the fifth medicine loading hole and the sixth medicine loading hole are all provided with hole bottoms; the thickness of the bottom of the hole is 1 m.
Preferably, the second medicine charging holes and the third medicine charging holes are arranged in a staggered manner; and the fifth explosive charging holes and the sixth explosive charging holes are arranged in a staggered manner, so that the blasting sequence which is set in advance integrally is influenced due to perforation during blasting.
Preferably, the center charging hole, the second charging hole, the third charging hole, the fifth charging hole and the sixth charging hole are provided with initiating explosive packages at the hole openings and the hole bottoms.
Preferably, the center loading hole, the second loading hole, the third loading hole, the fifth loading hole and the sixth loading hole are provided with initiating explosive packages at the middle positions.
Preferably, the initiating explosive bag weighs 150g and consists of emulsion explosive and millisecond detonator.
Preferably, a continuous charge arrangement of granular ammonium nitrate fuel oil explosives is used between adjacent initiating charges.
Preferably, the distance between the central loading hole and the first empty hole is 0.3 m.
The beneficial effects of the utility model are that: the safe and efficient one-time well completion is realized, the height of the blasting well completion is more than 12m, the raise is quickly formed by one-time explosive charging and one-time blasting, facilities such as a ventilation raise, an ore draw shaft and a blasting cutting raise can be quickly formed for use, and the method has the characteristics of high efficiency, safety and the like.
Drawings
Fig. 1 is a schematic diagram of the present invention.
Fig. 2 is the powder charge schematic diagram of the medium-length hole of the utility model.
Detailed Description
In order to make the purpose and technical solution of the present invention clearer, the following description is made with reference to the accompanying drawings and embodiments to further explain the present invention:
1-2, a single medium-length hole blasting and well-arrangement structure, comprising: a central loading hole 70 arranged at the central position of the well-forming working surface 7; a plurality of first empty holes 71 which are arranged around the center charging hole 70 and provide compensation space for blasting of the center charging hole; the second medicine filling holes 72 are positioned on the outer rings of the first empty holes 71 and are arranged around the first empty holes 71; a plurality of third loading holes 73 positioned at the outer rings of the plurality of second loading holes 72 and arranged around the plurality of second loading holes 72; a plurality of fourth empty holes 74 positioned at the outer ring of the plurality of third medicine-charging holes 73 and arranged around the plurality of third medicine-charging holes 73; a plurality of fifth medicine loading holes 75 positioned on the outer ring of the plurality of fourth empty holes 74 and arranged around the plurality of fourth empty holes 74; a plurality of sixth charging holes 76 which are positioned at the outer rings of the plurality of fifth charging holes 75 and are arranged around the plurality of fifth charging holes 75; and the plurality of fourth empty holes 74 provide compensation space for the plurality of second loading holes 72, third loading holes 73, fifth loading holes 75 and sixth loading holes 76 during blasting.
Preferably, the number of the first empty holes 71 is 6, and the first empty holes are uniformly arranged around the center medicine loading hole 70; the number of the second medicine filling holes 72 is 4, and the second medicine filling holes are uniformly arranged around the plurality of first empty holes 71; the number of the third medicine loading holes 73 is 4, and the third medicine loading holes are uniformly arranged around the plurality of second medicine loading holes 72; the number of the fourth empty holes 74 is 12, and the fourth empty holes are uniformly arranged around the third medicine loading holes 73; the number of the fifth medicine loading holes 75 is 6, and the fifth medicine loading holes are uniformly arranged around the plurality of fourth empty holes 74; the number of the sixth medicine loading holes 76 is 12, and the sixth medicine loading holes are uniformly arranged around the fifth medicine loading holes 75.
Preferably, the diameters of the central loading hole 70, the second loading hole 72, the third loading hole 73, the fifth loading hole 75 and the sixth loading hole 76 are 76 mm; the diameters of the first and fourth holes 71 and 74 are 120 mm.
Preferably, the first and fourth holes 71 and 74 are through holes; the central loading hole 70, the second loading hole 72, the third loading hole 73, the fifth loading hole 75 and the sixth loading hole 76 are all medium-length holes 8, and hole bottoms 83 are reserved in the medium-length holes 8; the thickness of the hole bottom 83 is 1 m.
Preferably, the second medicine-filling holes 72 and the third medicine-filling holes 73 are arranged in a staggered manner; the fifth medicine-filling holes 75 and the sixth medicine-filling holes 76 are arranged in a staggered manner.
Preferably, the central charging hole, the second charging hole, the third charging hole, the fifth charging hole and the sixth charging hole are all medium-length holes 8, and initiating explosive packages 81 are distributed on the orifices and the hole bottoms of the holes.
Preferably, the central charging hole, the second charging hole, the third charging hole, the fifth charging hole and the sixth charging hole are all medium-length holes 8, wherein initiating explosive packages 81 are uniformly distributed at the middle positions of the medium-length holes 8.
Preferably, the initiating explosive packet 81 weighs 150g and consists of emulsion explosive and millisecond detonator.
Preferably, a continuous charge arrangement of granular ammonium nitrate fuel oil explosives 82 is used between adjacent primer charges 81.
Preferably, the distance between the central loading hole and the first empty hole is 0.3 m.
The cutting well designed by the utility model has a diameter of 3.0m, and is provided with 45 holes which are composed of 27 explosive-loading holes with a diameter of 76mm and 18 non-explosive-loading holes with a diameter of 120mm, and the non-explosive-loading holes provide blasting compensation space for the explosive-loading holes; the central explosive loading hole, the second explosive loading hole, the third explosive loading hole, the fifth explosive loading hole and the sixth explosive loading hole are all arranged by using granular ammonium nitrate fuel oil explosives for continuous explosive loading, and if the thickness is more than 12, in order to ensure smooth blasting, a detonating explosive bag with the weight of 150g consisting of emulsion explosives and millisecond detonators is respectively arranged at the hole bottom, the hole opening and the middle position of the hole; if the thickness is below 9 m, only one initiating explosive charge which consists of emulsion explosive and millisecond detonator and has the weight of 150g is arranged at the bottom and the hole of the hole respectively.
The compensation coefficient K can be obtained according to site construction and charging experience technology and by a formula (S)Caving rockK≤SCompensating space+SCaving rock) The calculation shows that the distance between the central charging hole and the first empty hole is 0.3m, the area of the region to be exploded of the central charging hole is 0.1247m2, and the total area of the first empty holes is 0.0113m2, and the initial compensation coefficient K is 1.54 according to the formula.
During blasting, the blasting sequence is initiated from inside to outside, the central charging hole is firstly detonated, then the second charging hole, the third charging hole, the fifth charging hole and the sixth charging hole are carried out, a compensation space is formed in the middle, and then compensation spaces are formed among charging holes of different circles; in addition, the charge holes of adjacent circles are arranged in a staggered mode, so that the situation that the whole preset blasting sequence is influenced due to perforation during blasting is avoided, the 1 st section of the central charge hole is detonated, the rock mass in the cut area has sufficient time to throw the rock, the fourth section or the fifth section of the second charge hole is detonated (the detonator section is delayed detonation time, the interval time between two adjacent sections is 25ms), and the interval between the adjacent detonating of the second charge hole, the third charge hole, the fifth charge hole and the sixth charge hole is 25ms in the later period.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to be referred must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "provided," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The components adopted by the utility model are all universal standard components or components known by the technicians in the field, and the structure and the principle of the components are known by the technicians through technical manuals or conventional experimental methods.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any slight modifications, equivalent changes and modifications made by the technical spirit of the present invention to the above embodiments still belong to the protection scope of the present invention.
Claims (10)
1. A kind of one-time medium-length hole blasting becomes the well and arranges the hole structure, characterized by that, including:
the central medicine loading hole is arranged at the central position of the well forming working surface;
the first empty holes are arranged around the center charging hole and provide compensation space for blasting of the center charging hole;
the second medicine loading holes are positioned on the outer rings of the first empty holes and are arranged around the first empty holes;
the plurality of third medicine loading holes are positioned on the outer rings of the plurality of second medicine loading holes and are arranged around the plurality of second medicine loading holes;
the plurality of fourth empty holes are positioned on the outer rings of the plurality of third medicine loading holes and are arranged around the plurality of third medicine loading holes;
the plurality of fifth medicine loading holes are positioned on the outer rings of the plurality of fourth empty holes and are arranged around the plurality of fourth empty holes;
the plurality of sixth medicine loading holes are positioned on the outer rings of the plurality of fifth medicine loading holes and are arranged around the plurality of fifth medicine loading holes;
and the fourth empty holes provide compensation spaces for the blasting of the second explosive charging holes, the third explosive charging holes, the fifth explosive charging holes and the sixth explosive charging holes.
2. The well distribution structure formed by one-time medium-length hole blasting according to claim 1, characterized in that:
the number of the first empty holes is 6, and the first empty holes are uniformly arranged around the center medicine loading hole;
the number of the second medicine filling holes is 4, and the second medicine filling holes are uniformly arranged around the plurality of first empty holes;
the number of the third medicine loading holes is 4, and the third medicine loading holes are uniformly arranged around the plurality of second medicine loading holes;
the number of the fourth empty holes is 12, and the fourth empty holes are uniformly arranged around the plurality of second medicine loading holes;
the number of the fifth medicine filling holes is 6, and the fifth medicine filling holes are uniformly arranged around the plurality of fourth empty holes;
the number of the sixth medicine loading holes is 12, and the sixth medicine loading holes are uniformly arranged around the fifth medicine loading holes.
3. The one-time medium-length hole blasting well-distribution structure according to claim 1 or 2, characterized in that:
the diameters of the central medicine loading hole, the second medicine loading hole, the third medicine loading hole, the fifth medicine loading hole and the sixth medicine loading hole are 76 mm;
the diameter of the first hollow hole and the diameter of the fourth hollow hole are 120 mm.
4. The well distribution structure formed by one-time medium-length hole blasting according to claim 3, characterized in that:
the first empty hole and the fourth empty hole are through holes;
the central medicine loading hole, the second medicine loading hole, the third medicine loading hole, the fifth medicine loading hole and the sixth medicine loading hole are all provided with hole bottoms;
the thickness of the bottom of the hole is 1 m.
5. The one-time medium-length hole blasting well-distribution structure according to claim 1 or 2, characterized in that:
the second medicine filling holes and the third medicine filling holes are arranged in a staggered mode;
and the fifth medicine filling holes and the sixth medicine filling holes are arranged in a staggered manner.
6. The one-time medium-length hole blasting well-distribution structure according to claim 1 or 2, characterized in that:
and the hole openings and the hole bottoms of the central charging hole, the second charging hole, the third charging hole, the fifth charging hole and the sixth charging hole are uniformly provided with initiating explosive charges.
7. The well distribution structure formed by one-time medium-length hole blasting according to claim 6, wherein:
the center charging hole, the second charging hole, the third charging hole, the fifth charging hole and the sixth charging hole are uniformly provided with an initiating explosive bag at the middle position.
8. The well distribution structure formed by one-time medium-length hole blasting according to claim 7, characterized in that:
the initiating explosive bag weighs 150g and consists of emulsion explosive and millisecond detonator.
9. The well distribution structure formed by one-time medium-length hole blasting according to claim 7, characterized in that:
and granular ammonium nitrate fuel oil explosive continuous charging arrangement is used between adjacent initiating explosive packages.
10. The one-time medium-length hole blasting well-distribution structure according to claim 1 or 2, characterized in that:
the distance between the central medicine loading hole and the first empty hole is 0.3 m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220496882.5U CN216845924U (en) | 2022-03-07 | 2022-03-07 | One-time medium-length hole blasting well-forming hole distribution structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220496882.5U CN216845924U (en) | 2022-03-07 | 2022-03-07 | One-time medium-length hole blasting well-forming hole distribution structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216845924U true CN216845924U (en) | 2022-06-28 |
Family
ID=82094494
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220496882.5U Active CN216845924U (en) | 2022-03-07 | 2022-03-07 | One-time medium-length hole blasting well-forming hole distribution structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216845924U (en) |
-
2022
- 2022-03-07 CN CN202220496882.5U patent/CN216845924U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105333778B (en) | Medium-deep hole large-section composite cut blasting structure and method | |
| CN108007285A (en) | A kind of stone head deep hole sublevel is segmented efficient Cut Blasting method | |
| CN108613599A (en) | A method of segmentation courtyard simultaneous shaft sin king | |
| CN111059970B (en) | Multistage ultra-deep hole ballast-throwing vibration-control self-stabilizing blasting method for upper step of hard rock in tunnel | |
| CN109724484A (en) | A kind of the undercut blast hole arragement construction and well completion method of blind courtyard simultaneous shaft sin king | |
| CN107843158A (en) | The construction method of the low vibration velocity exact requirements of Tunnel Blasting is realized with common on-electric detonator | |
| AU2005328750A1 (en) | Self-supporting air tube for blasting and method of blasting rock using the same | |
| CN102809330B (en) | Large collapse rock blasting method under precise control of digital electronic detonators | |
| CN112161534B (en) | One-step mining control blasting method for mine underground upward access | |
| CN110260735A (en) | A kind of diamond shape major diameter emptying aperture burn cut structure and lane construction technique | |
| CN112179225A (en) | One-time well-completion blasting method | |
| CN109631698A (en) | A kind of space interval charge explosion method reducing boulder yield | |
| CN102967191A (en) | Blasting method for treatment of gob | |
| CN109163630A (en) | A kind of loading method of Caving Method with Large Space mining deep hole water pressure blasting explosion | |
| CN207066255U (en) | A kind of coal seam Deephole pre-splitting blasting charge constitution | |
| CN109373843A (en) | A kind of no courtyard deep hole kerf blasting method | |
| CN216845924U (en) | One-time medium-length hole blasting well-forming hole distribution structure | |
| CN114413698A (en) | One-time medium-length hole blasting well-forming hole distribution structure | |
| CN112097577B (en) | Slope control blasting method near end | |
| CN110823034A (en) | Soft rock foundation blasting method capable of controlling mass percentage after blasting | |
| CN111521082A (en) | One-time well completion method by matching high-pass shaft and medium-length hole sectional blasting in raise-boring construction | |
| CN109974545B (en) | Medium-length hole blasting suspended roof processing method in sublevel caving method | |
| CN104897015B (en) | Hole filling method by blasting | |
| CN104864783A (en) | Underground jack shaft uncovering method | |
| CN115307501A (en) | Blasting construction method for mountain earthwork |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |