CN114777588B - Presplitting blasting slit pipe device - Google Patents
Presplitting blasting slit pipe device Download PDFInfo
- Publication number
- CN114777588B CN114777588B CN202210395660.9A CN202210395660A CN114777588B CN 114777588 B CN114777588 B CN 114777588B CN 202210395660 A CN202210395660 A CN 202210395660A CN 114777588 B CN114777588 B CN 114777588B
- Authority
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- China
- Prior art keywords
- half shell
- kerf
- pipe body
- lower half
- upper half
- 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.)
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- 238000005422 blasting Methods 0.000 title claims abstract description 34
- 239000002360 explosive Substances 0.000 claims abstract description 13
- 238000007789 sealing Methods 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 6
- 238000006073 displacement reaction Methods 0.000 claims description 3
- 230000009172 bursting Effects 0.000 claims 1
- 238000005516 engineering process Methods 0.000 description 3
- 238000004880 explosion Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 239000002390 adhesive tape Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42D—BLASTING
- F42D1/00—Blasting methods or apparatus, e.g. loading or tamping
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42D—BLASTING
- F42D1/00—Blasting methods or apparatus, e.g. loading or tamping
- F42D1/04—Arrangements for ignition
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42D—BLASTING
- F42D3/00—Particular applications of blasting techniques
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
Abstract
The application provides a presplitting blasting seam pipe cutting device, which comprises a seam pipe cutting body, wherein the seam pipe cutting body comprises an upper half shell and a lower half shell; the upper half shell and the lower half shell are respectively provided with a cavity structure, so that a charging groove is formed; the upper half shell and the lower half shell can be buckled together to form a sealed kerf pipe body; round holes are respectively arranged at two ends of the slit pipe body; a fixed column is arranged on one side of the lower half shell, which is positioned in the charging groove; the pre-splitting blasting slit pipe device provided by the application can be used for conveniently installing the detonating cord and the explosive cartridge so as to perform blasting test; this blasting slit pipe device, structural design is reasonable, convenient equipment, and convenient regulation can conveniently carry out the blasting test, improves the test accuracy.
Description
Technical Field
The application belongs to the technical field of presplitting blasting slit pipe devices, and particularly relates to a presplitting blasting slit pipe device.
Background
The existing presplitting blasting generally places a cartridge and a detonating cord in a closed container in a direct mode, and directly performs blasting test, so that installation adjustment and installation cannot be performed, and the blasting test effect is inaccurate.
Based on the technical problems existing in the blasting test, no relevant solution exists yet; there is therefore an urgent need to seek an effective solution to the above problems.
Disclosure of Invention
The application aims at solving the defects in the prior art, provides a presplitting blasting slit pipe device, and aims at solving the problems of the installation and blasting test of the existing explosive cartridge and detonating cord.
The application provides a presplitting blasting seam pipe cutting device, which comprises a seam pipe cutting body, wherein the seam pipe cutting body comprises an upper half shell and a lower half shell; the upper half shell and the lower half shell are of cavity structures, so that a charging groove is formed; the upper half shell and the lower half shell can be buckled together to form a sealed kerf pipe body; round holes are respectively arranged at two ends of the slit pipe body; a fixed column is arranged on one side of the charging groove in the lower half shell and/or the upper half shell; the outer sides of the same ends of the upper half shell and the lower half shell are respectively provided with a clamping sleeve, and the clamping sleeves on the same ends of the upper half shell and the lower half shell are symmetrical along the center of the kerf pipe body; the upper half shell and the lower half shell can be connected together through a clamping sleeve, so that a kerf pipe body is formed, and kerf grooves are respectively formed in two sides of the kerf pipe body.
Further, a left flange is formed on the left side of the clamping sleeve, and a right flange is formed on the right side of the clamping sleeve; the left flange edge is provided with a sliding groove, the right flange edge is provided with a sliding rail, and the left flange edge can be connected with the sliding rail of the right flange edge through the sliding groove, so that the upper half shell and the lower half shell are buckled together; or,
further, the left flange edge is provided with a sliding rail, the right flange edge is provided with a sliding groove, and the left flange edge can be connected with the sliding groove of the right flange edge through the sliding rail, so that the upper half shell and the lower half shell are buckled together.
Further, the same ends of the upper half shell and the lower half shell are respectively provided with a baffle plate, and the baffle plate of the upper half shell and the baffle plate of the lower half shell can be buckled together to form a sealing baffle plate; the sealing baffle plates are blocked at two ends of the kerf pipe body; the round hole is arranged on the sealing baffle plate.
Further, the kerf pipe body is made of pvc material; the length of the slit pipe body is 600mm, the length of the charging groove is 400mm, the inner diameter of the slit pipe body is 80mm, and the outer diameter of the slit pipe body is 90mm; the width of the slit groove is 6mm, and the length of the slit groove is 400mm; the diameter of the round hole is 20mm.
Further, the distance between the fixed column and the charging groove is 10mm; the length of the fixed column is 35mm, the fixed column is of a cylindrical structure, and the diameter of the fixed column is 6mm; the top of fixed column is equipped with hemispherical structure, and hemispherical structure's diameter is 10mm.
Further, the joint-cutting pipe device comprises a connecting sheet, connecting columns are respectively arranged at two ends of the joint-cutting pipe body, and the connecting columns are positioned at the outer sides of the clamping sleeves; the two adjacent joint-cutting pipe bodies are respectively connected to the connecting column through connecting sheets, so that the joint-cutting pipe bodies are connected together.
Further, connecting columns are respectively arranged on the left flange edge and the right flange edge of the two ends of the kerf pipe body; the connecting piece is provided with a plurality of connecting holes along the length direction, and the connecting piece is clamped with connecting columns on two adjacent lancing pipe bodies through the connecting holes with different intervals, so that the distance between the two lancing pipe bodies is adjusted.
Further, the connecting piece is made of pvc material, the thickness of the connecting piece is 5mm, the width of the connecting piece is 20mm, and the whole length of the connecting piece is 1040mm.
Further, the diameter of the connecting hole is 6.5mm, and the distance between the two connecting holes on the connecting sheet is 100mm.
Further, the connection column is of a semi-cylindrical structure, and the top of the connection column is provided with/has a spherical structure, the diameter of the spherical structure is 7mm, the height of the semi-cylindrical structure is 6mm, and the diameter of the semi-cylindrical structure is 5mm.
The pre-splitting blasting slit pipe device provided by the application can be used for conveniently installing the detonating cord and the explosive cartridge so as to perform blasting test; this blasting slit pipe device, structural design is reasonable, convenient equipment, and convenient regulation can conveniently carry out the blasting test, improves the test accuracy.
Drawings
The application will be described in further detail with reference to the drawings and the detailed description.
The application will be further described with reference to the accompanying drawings in which:
FIG. 1 is a schematic diagram showing an assembled state of a pre-splitting blasting slit pipe device according to the present application;
FIG. 2 is a schematic view showing an unassembled state of a pre-burst slit pipe apparatus according to the present application;
FIG. 3 is a schematic view of a connecting piece according to the present application;
FIG. 4 is a schematic view of the connection of the connecting piece to the slit pipe apparatus of the present application;
FIG. 5 is a schematic diagram of the connection of the presplitting blasting kerf pipe device and the connecting piece of the application;
FIG. 6 is a schematic view of a slit tube apparatus, detonating cord, and cartridge of the present application;
FIG. 7 is a top view of the lower half shell of the present application;
fig. 8 is a side view of the lower half shell of the present application.
In the figure: 1. a slit tube body; 2. fixing the column; 3. a cutting sleeve; 31. a right flange; 32. a left flange edge; 33. a slide rail; 34. a chute; 4. a baffle; 5. a connecting column; 6. a connecting sheet; 61. a connection hole; 7. a charging groove; 8. an upper half shell; 9. a lower half shell; 10. a round hole; 11. cutting a slit groove; 12. a cartridge; 13. detonating cord.
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the application.
It will be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, the meaning of "a plurality" is two or more, unless explicitly defined otherwise. The meaning of "a number" is one or more than one unless specifically defined otherwise.
In the description of the present application, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "front", "rear", "left", "right", etc., are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present application.
In the description of the present application, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to the specific circumstances.
As shown in fig. 1 to 8, the application provides a pre-splitting blasting slit pipe device which can be used for loading detonating cords and cartridges for blasting tests; specifically, the slit pipe device comprises a slit pipe body 1, wherein the slit pipe body 1 comprises an upper half shell 8 and a lower half shell 9, the upper half shell 8 and the lower half shell 9 have the same structure, and the upper half shell 8 and the lower half shell 9 have cavity structures, so that a charging groove 7 is formed; further, the upper half shell 8 and the lower half shell 9 can be buckled together to form a sealed kerf pipe body 1, and a charging groove 7 is formed in the kerf pipe body 1, wherein the charging groove 7 is used for placing a explosive cartridge 12, specifically, an insulating adhesive tape is used for winding and fixing the detonating cord 13 and the explosive cartridge 12, or other methods can be adopted for fixing, and the purpose is to prevent the detonating cord 13 from being separated from the explosive cartridge 12, and the explosive cartridge 12 cannot be detonated; further, two ends of the kerf pipe body 1 are respectively provided with a baffle plate 4, and the baffle plates 4 are provided with round holes 10, so that the detonating cord can conveniently pass through and the leakage of explosion energy can be reduced; further, a fixed column 2 is arranged on one side of the lower half shell 9 and/or the upper half shell 8, which is positioned on the charging groove 7, and the fixed column 2 is used for fixing the position of the slit tube on the detonating cord 13 and limiting the displacement of the cartridge 12; the pre-splitting blasting slit pipe device provided by the application can be used for conveniently installing the detonating cord 13 and the explosive cartridge 12 so as to carry out blasting test, and the structure design is reasonable, square adjustment is realized, and the device can be suitable for the existing blasting test.
Preferably, in combination with the above-mentioned scheme, as shown in fig. 1 to 8, the outer sides of the same ends of the upper half shell 8 and the lower half shell 9 are respectively provided with a cutting sleeve 3, and the cutting sleeve 3 on the same ends of the upper half shell 8 and the lower half shell 9 is symmetrical along the center of the slit tube body 1, so that the cutting sleeve 3 on the same ends of the upper half shell 8 and the lower half shell 9 can be anastomosed when the slit tube body 1 is arbitrarily rotated; specifically, the upper half-shell 8 and the lower half-shell 9 can be connected together by the ferrule 3, thereby forming the slit tube body 1; further, as a preferred embodiment of the solution of the present application, the upper half shell 8 and the lower half shell 9 have identical structures, and as a preferred embodiment, a structure in which a fixed column 2 is further provided on one side of a charging slot 7 in the lower half shell 9 as an embodiment is described, and a structure in which a fixed column 2 references to the lower half shell 9 is further provided on one side of the charging slot 7 in the upper half shell 8; further, taking any half shell as an example, the half shell has two left and right ends, the clamping groove at any one end is divided into two left and right parts, when the left part is a T-shaped convex part, the right part is a T-shaped concave part (the same end is not designed in a central symmetry manner as can be seen from fig. 2 and 6), and the clamping groove at the other end is distributed opposite to the end (i.e. left T-concave and right T-convex), that is: the card slot design of the half shell of the same half is symmetrical about the center of the half (i.e., the card slot design is exactly the same as before after 180 ° rotation about the center point).
Preferably, in combination with the above-mentioned scheme, as shown in fig. 1 to 8, the two sides of the lancing tube body 1 are respectively provided with a lancing groove 11, specifically, the width of the lancing groove 11 is 6mm, and the length of the lancing groove 11 is 400mm; the diameter of the round hole 10 is 20mm, and the round hole is used for penetrating the detonating cord 13 and sealing the detonating tube, so that energy leaked from two ends during explosion is reduced.
Preferably, in combination with the above, as shown in fig. 1 to 8, in the present embodiment, a left flange 32 is formed on the left side of the ferrule 3, and a right flange 31 is formed on the right side of the ferrule 3; wherein, the left flange 32 is provided with a sliding groove 34, the right flange 31 is provided with a sliding rail 33, so that the left flange 32 can be connected with the sliding rail 33 of the right flange 31 through the sliding groove 34, thereby buckling the upper half shell 8 and the lower half shell 9 together; specifically, the matching structures of the sliding groove 34 and the sliding rail 33 are positioned at two ends of the lancing tube body 1; further, the sliding groove 34 and the sliding rail 33 on the same end of the upper half shell 8 and the lower half shell 9 are symmetrically arranged along the central line of the slit pipe body 1, so that the slit pipe body 1 can be randomly rotated, and the sliding groove 34 and the sliding rail 33 can be matched and buckled; further, the lengths of the sliding groove 34 and the sliding rail 33 are 100mm, and the sliding groove and the sliding rail can be inserted along the center line of the lancing tube body 1 so as to be buckled together.
Preferably, in combination with the above scheme, referring to the above embodiment, a sliding rail 33 may be provided on the left flange 32, a sliding groove 34 is provided on the right flange 31, and the left flange 32 and the sliding groove 34 of the right flange 31 can be connected together through the sliding rail 33, so as to fasten the upper half shell 8 and the lower half shell 9 together.
Preferably, in combination with the above scheme, as shown in fig. 1 to 8, the same ends of the upper half shell 8 and the lower half shell 9 are respectively provided with a baffle plate 4, wherein the two baffle plates 4 on the same side of the upper half shell 8 and the lower half shell 9 are buckled together to form a sealing baffle plate, and a round hole 10 is formed in the center position; specifically, the baffle 4 of the upper half shell 8 and the baffle 4 of the lower half shell 9 can be snapped together to form a sealed baffle; specifically, the sealing baffle plates are plugged at two ends of the kerf pipe body 1, and the round holes 10 are arranged on the sealing baffle plates; specifically, the diameter of the round hole 10 is 20mm, and the diameter is used for penetrating the detonating cord and sealing the detonating tube, so that energy leaked from two ends during explosion is reduced.
Preferably, in combination with the above-mentioned scheme, as shown in fig. 1 to 8, the slit pipe body 1 is made of pvc material; the length of the slit pipe body 1 is 600mm, the inner diameter of the slit pipe body 1 is 80mm, the outer diameter of the slit pipe body 1 is 90mm, and the slit pipe body 1 is enough for mounting most of cartridges with diameters smaller than 80mm, and after the upper half shell 8 and the lower half shell 9 are assembled; further, the slit width at both sides of the charging groove 7 is 6mm, and the length of the charging groove 7 is 400mm.
Preferably, in combination with the above scheme, as shown in fig. 1 to 8, the distance between the fixed column 2 and the charging groove 7 is 10mm; specifically, the length of the fixed column 2 is 35mm, the fixed column 2 is of a cylindrical structure, and the diameter of the fixed column 2 is 6mm; the top of the fixed column 2 is provided with a hemispherical structure, the diameter of the hemispherical structure is 10mm, the hemispherical structure is wound on the detonating cord 13, the position of a cutting joint pipe is fixed, meanwhile, the displacement of the explosive cartridge in the explosive charging groove is limited, and the explosive cartridge 12 is ensured to be always positioned at the cutting joint.
Preferably, in combination with the above-mentioned scheme, as shown in fig. 1 to 8, the lancing tube device includes a connecting piece 6, two ends of the lancing tube body 1 are respectively provided with a connecting post 5, and the connecting post 5 is located outside the ferrule 3; the two adjacent lancing pipe bodies 1 are respectively connected to the connecting column 5 through the connecting sheet 6, so as to be connected together; further, the connecting piece 6 is provided with connecting holes 61 at intervals, and the joint positions and the hole depths can be matched by changing the connecting positions of the connecting holes 61 and the connecting posts 5.
Preferably, in combination with the above-described scheme, as shown in fig. 1 to 8, the left flange 32 and the right flange 31 at both ends of the slit pipe body 1 are respectively provided with a connecting post 5; the connecting piece 6 is provided with a plurality of connecting holes 61 along the length direction, and the connecting piece 6 is clamped with the connecting posts 5 on the two adjacent lancing tube bodies 1 through the two connecting holes 61 with different intervals, so that the distance between the two lancing tube bodies 1 is adjusted; specifically, the connecting post 5 of the connecting piece 6 is used for fixing the upper part and the lower part of the slit pipe while fixing the connecting piece 6, so that the upper part and the lower part of the slit pipe do not generate dislocation, the connecting piece 6 is used for connecting two adjacent slit pipe bodies 1, the position between the slit pipes is controlled, and the slits are ensured to be on the same straight line.
Preferably, in combination with the above scheme, as shown in fig. 1 to 8, the connecting piece 6 is made of pvc material, the thickness of the connecting piece 6 is 5mm, the width of the connecting piece 6 is 20mm, and the whole length of the connecting piece 6 is 1040mm; further, the circle centers of the circular holes at the outermost sides of the two ends of the connecting sheet 6 are 20mm away from the end parts, a connecting small hole with the diameter of 6.5mm is arranged at intervals of 100mm and is used for being clamped into the connecting column 5, fixing the positions between the adjacent slit pipes and limiting the slit pipes to move up and down.
Preferably, in combination with the above scheme, as shown in fig. 1 to 8, the diameter of the connecting hole 61 is 6.5mm, two connecting holes 61 on the connecting sheet 6 are spaced by 100mm, and 10 cm-spaced connecting holes 61 are arranged on the connecting sheet 6, so that the spacing distance of the kerfs can be adjusted between 20cm and 110 cm.
Preferably, in combination with the above-described scheme, as shown in fig. 1 to 8, the connection column 5 is of a semi-cylindrical structure, and the top of the connection column 5 is provided with a 1/4 spherical structure, the diameter of the spherical structure is 7mm, the height of the semi-cylindrical structure is 6mm, and the diameter of the semi-cylindrical structure is 5mm.
The pre-splitting blasting slit pipe device provided by the application can be used for conveniently installing the detonating cord and the explosive cartridge so as to carry out blasting test, and the structure design is reasonable, square adjustment is realized, and the device can be suitable for the existing blasting test.
The above description is only a preferred embodiment of the present application, and is not intended to limit the present application in any way. Many possible variations and modifications of the disclosed technology can be made by anyone skilled in the art, or equivalent embodiments with equivalent variations can be made, without departing from the scope of the disclosed technology. Therefore, any modification, equivalent variation and modification of the above embodiments according to the technology of the present application fall within the protection scope of the present application.
Claims (5)
1. The pre-splitting blasting slit pipe device is characterized by comprising a slit pipe body (1), wherein the slit pipe body (1) comprises an upper half shell (8) and a lower half shell (9); the upper half shell (8) and the lower half shell (9) are of cavity structures, so that a charging groove (7) is formed; the upper half shell (8) and the lower half shell (9) can be buckled together, so that a sealed kerf pipe body (1) is formed; round holes (10) are respectively formed at two ends of the kerf pipe body (1); a fixing column (2) is arranged on one side of the charging groove (7) in the lower half shell (9) and/or the upper half shell (8); the charging groove (7) is used for placing a cartridge; the fixing column (2) is used for fixing the position of the kerf pipe body (1) on the detonating cord (13) and limiting the displacement of the explosive cartridge (12); the distance between the fixing column (2) and the charging groove (7) is 10mm; the length of the fixing column (2) is 35mm, the fixing column (2) is of a cylindrical structure, and the diameter of the fixing column (2) is 6mm; the top of the fixed column (2) is provided with a hemispherical structure, and the diameter of the hemispherical structure is 10mm;
the outer sides of the same ends of the upper half shell (8) and the lower half shell (9) are respectively provided with a cutting sleeve (3), and the cutting sleeves (3) on the same ends of the upper half shell (8) and the lower half shell (9) are symmetrical along the center of the kerf pipe body (1); the upper half shell (8) and the lower half shell (9) can be connected together through the clamping sleeve (3) so as to form the kerf pipe body (1); two sides of the kerf pipe body (1) are respectively provided with a kerf groove (11);
a left flange (32) is formed on the left side of the clamping sleeve (3), and a right flange (31) is formed on the right side of the clamping sleeve (3); a sliding groove (34) is formed in the left flange edge (32), a sliding rail (33) is arranged on the right flange edge (31), and the left flange edge (32) can be connected with the sliding rail (33) of the right flange edge (31) through the sliding groove (34), so that the upper half shell (8) and the lower half shell (9) are buckled together; or,
a sliding rail (33) is arranged on the left flange edge (32), a sliding groove (34) is arranged on the right flange edge (31), and the left flange edge (32) can be connected with the sliding groove (34) of the right flange edge (31) through the sliding rail (33), so that the upper half shell (8) and the lower half shell (9) are buckled together;
the matching structures of the sliding grooves (34) and the sliding rails (33) are positioned at two ends of the kerf pipe body (1); the sliding groove (34) and the sliding rail (33) on the same end of the upper half shell (8) and the lower half shell (9) are symmetrically arranged along the central line of the kerf pipe body (1); the lengths of the sliding groove (34) and the sliding rail (33) are 100mm, and the sliding groove and the sliding rail can be inserted along the central line of the kerf pipe body (1);
the same end of the upper half shell (8) and the same end of the lower half shell (9) are respectively provided with a baffle plate (4), and the baffle plates (4) of the upper half shell (8) and the baffle plates (4) of the lower half shell (9) can be buckled together to form a sealing baffle plate; the sealing baffles are blocked at two ends of the kerf pipe body (1); the round hole (10) is arranged on the sealing baffle plate.
2. The pre-splitting blasting kerf pipe device according to claim 1, wherein the kerf pipe body (1) is made of pvc material; the length of the kerf pipe body (1) is 600mm, the length of the charging groove (7) is 400mm, the inner diameter of the kerf pipe body (1) is 80mm, and the outer diameter of the kerf pipe body (1) is 90mm; the width of the cutting slot (11) is 6mm, and the length of the cutting slot (11) is 400mm; the diameter of the round hole (10) is 20mm.
3. The pre-splitting blasting kerf pipe device according to claim 1, wherein the kerf pipe device comprises connecting pieces (6), connecting columns (5) are respectively arranged at two ends of the kerf pipe body (1), and the connecting columns (5) are positioned on the outer side of the clamping sleeve (3); two adjacent kerf pipe bodies (1) are connected to the connecting column (5) through the connecting sheets (6) respectively, so that the two adjacent kerf pipe bodies are connected together.
4. A pre-splitting bursting slit pipe apparatus as claimed in claim 3, characterised in that the left side flange (32) and the right side flange (31) of the two ends of the slit pipe body (1) are respectively provided with a connecting post (5); the connecting piece (6) is provided with a plurality of connecting holes (61) along the length direction, and the connecting piece (6) is clamped with connecting posts (5) on two adjacent joint-cutting pipe bodies (1) through two connecting holes (61) with different intervals, so that the distance between the two joint-cutting pipe bodies (1) is adjusted.
5. The pre-splitting blasting kerf pipe device according to claim 4, wherein the connecting piece (6) is made of pvc material, the thickness of the connecting piece (6) is 5mm, the width of the connecting piece (6) is 20mm, and the whole length of the connecting piece (6) is 1040mm; and/or the number of the groups of groups,
the diameter of the connecting hole (61) is 6.5mm, and the two connecting holes (61) on the connecting sheet (6) are spaced by 100mm; and/or the number of the groups of groups,
the connecting column (5) is of a semi-cylindrical structure, a 1/4 spherical structure is arranged at the top of the connecting column (5), the diameter of the spherical structure is 7mm, the height of the semi-cylindrical structure is 6mm, and the diameter of the semi-cylindrical structure is 5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210395660.9A CN114777588B (en) | 2022-04-15 | 2022-04-15 | Presplitting blasting slit pipe device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210395660.9A CN114777588B (en) | 2022-04-15 | 2022-04-15 | Presplitting blasting slit pipe device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114777588A CN114777588A (en) | 2022-07-22 |
| CN114777588B true CN114777588B (en) | 2023-09-15 |
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| CN202210395660.9A Active CN114777588B (en) | 2022-04-15 | 2022-04-15 | Presplitting blasting slit pipe device |
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| CN115218725B (en) * | 2022-08-05 | 2024-01-23 | 沈阳工业大学 | Lancing explosive package device capable of autonomously controlling release of tunnel blasting energy and blasting method |
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| CN214620899U (en) * | 2021-03-19 | 2021-11-05 | 神华神东煤炭集团有限责任公司 | Explosive loading device for deep hole blasting |
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