CN114413696A - Explosion tube connecting structure for mine deep hole blasting - Google Patents
Explosion tube connecting structure for mine deep hole blasting Download PDFInfo
- Publication number
- CN114413696A CN114413696A CN202111500572.2A CN202111500572A CN114413696A CN 114413696 A CN114413696 A CN 114413696A CN 202111500572 A CN202111500572 A CN 202111500572A CN 114413696 A CN114413696 A CN 114413696A
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- Prior art keywords
- sub
- wall
- blasting
- deep hole
- connecting portion
- Prior art date
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- Pending
Links
- 238000005422 blasting Methods 0.000 title claims abstract description 85
- 238000004880 explosion Methods 0.000 title claims description 6
- 230000007246 mechanism Effects 0.000 claims abstract description 6
- 239000002360 explosive Substances 0.000 claims description 13
- 229920001971 elastomer Polymers 0.000 claims description 8
- 229920002379 silicone rubber Polymers 0.000 claims description 4
- 230000035939 shock Effects 0.000 claims 2
- 238000013016 damping Methods 0.000 description 17
- 230000009471 action Effects 0.000 description 8
- 230000000694 effects Effects 0.000 description 5
- 238000009434 installation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000003245 coal Substances 0.000 description 2
- 239000002783 friction material Substances 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42D—BLASTING
- F42D1/00—Blasting methods or apparatus, e.g. loading or tamping
- F42D1/02—Arranging blasting cartridges to form an assembly
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/006—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries by making use of blasting methods
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42D—BLASTING
- F42D3/00—Particular applications of blasting techniques
- F42D3/04—Particular applications of blasting techniques for rock blasting
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Toys (AREA)
Abstract
The invention discloses a connecting structure of a blasting cartridge for mine deep hole blasting, which comprises a hinge shaft, a first sub-connecting part and a second sub-connecting part, wherein the outer wall of the hinge shaft is hinged with the first sub-connecting part, the outer wall of the hinge shaft at one side of the first sub-connecting part is hinged with the second sub-connecting part, fixing grooves are formed in the inner sides of the first sub-connecting part and the second sub-connecting part, directional protruding blocks are arranged on the inner sides of the second sub-connecting part and the first sub-connecting part, mounting blocks are arranged at the bottom ends of the second sub-connecting part and the first sub-connecting part, a first thread groove is formed in the mounting blocks, and a fixing mechanism for fixing the positions between the mounting blocks is arranged in the first thread groove; by adopting the technical scheme, the positions of the blasting cartridge bodies between the first sub-connecting part and the second sub-connecting part are fixed, so that the two mutually connected blasting cartridge bodies can not rotate relatively when being inserted into the blast hole.
Description
Technical Field
The invention belongs to the field of mine blasting devices, and particularly relates to a blasting cartridge connecting structure for mine deep hole blasting.
Background
Blasting is a common method for mine caving and rock breaking, in drilling blasting, blasting with a hole depth of more than 5m is generally called deep hole blasting, and deep hole presplitting blasting refers to blasting in which a top coal and a top plate are presplitted in advance in a deep hole blasting mode in a specified area. Is the main means of pre-weakening of the roof strata.
However, in the deep hole blasting of the coal mine, a plurality of blasting cartridges need to be inserted into the blasting holes before blasting, and in the process of inserting the blasting cartridges into the blasting holes, the blasting cartridges can rotate, so that the directional holes in the blasting cartridges cannot face a preset blasting position, and thus blasting cannot be performed according to a preset scheme, and the blasting accuracy is low. In addition, for deep hole blasting, before inserting the explosive cartridge in the blast hole, link together a plurality of explosive cartridges earlier, then drive a plurality of explosive cartridges after connecting and insert in the blast hole to realize the blasting. However, the connection mode of the explosion tube in the current market is complex, and the connection structure needs to be simplified.
Disclosure of Invention
The invention aims to solve the technical problem of providing a blasting cartridge connecting structure for mine deep hole blasting convenient for directional blasting.
In order to achieve the purpose, the invention adopts the technical scheme that:
the utility model provides a blasting cartridge connection structure of mine deep hole blasting, includes hinge pin, first sub-connecting portion and the sub-connecting portion of second, the outer wall of hinge pin articulates there is first sub-connecting portion, and the outer wall of the hinge pin of first sub-connecting portion one side articulates there is the sub-connecting portion of second, the fixed slot has been seted up to the inboard of first sub-connecting portion and the sub-connecting portion of second, the inboard of the sub-connecting portion of second and first sub-connecting portion all is provided with directional protruding piece, the installation piece is all installed to second sub-connecting portion and first sub-connecting portion bottom, and the inside of installation piece has seted up first thread groove, first thread inslot portion is provided with the fixed establishment that is used for fixing position between the installation piece.
The invention discloses a connecting structure of a blasting cartridge for mine deep hole blasting, wherein a plurality of annular elastic damping rings are arranged in a fixing groove, and one side of each annular elastic damping ring is provided with a clamping block.
The invention discloses a connecting structure of a blasting cartridge for mine deep hole blasting, wherein a clamping block is arranged inside a fixing groove, and sliding blocks matched with the inside of the fixing groove are arranged at two ends of the clamping block.
The invention discloses a connecting structure of a blasting cartridge for mine deep hole blasting, wherein a clamping rubber block is arranged on the outer wall of the clamping block, the clamping rubber block can be made of silicon rubber, and a friction material has the characteristics of good friction coefficient and wear resistance, and certain heat resistance and mechanical strength.
The invention discloses a connecting structure of a blasting cartridge for mine deep hole blasting, wherein a blasting cartridge body is arranged between the outer walls of directional protruding blocks, and the outer wall of the blasting cartridge body is provided with directional holes matched with the outer walls of the directional protruding blocks.
The invention discloses a connecting structure of a blasting cartridge for mine deep hole blasting, wherein a fixing mechanism comprises a screw and a nut, the inner wall of a first thread groove is provided with the screw, the screw and the first thread groove belong to a threaded connection relationship, and the outer wall of the screw is provided with a plurality of arc-shaped grooves.
The invention discloses a connecting structure of a blasting cartridge for mine deep hole blasting, wherein a nut is arranged on the outer wall of a screw, a second thread groove is formed in the nut, and the inner part of the second thread groove is meshed with the outer wall of the screw.
The invention discloses a connecting structure of a blasting cartridge for deep hole blasting of a mine, wherein a return spring is sleeved on the outer wall of a screw rod, and two sides of the return spring are respectively connected with a nut and a positioning block.
The invention discloses a connecting structure of a blasting cartridge for mine deep hole blasting, wherein a positioning block is arranged on the outer wall of a screw, a plurality of moving grooves are formed in the inner wall of the positioning block, and a fixing spring is arranged in each moving groove.
The invention discloses a connecting structure of a blasting cartridge for deep hole blasting of a mine.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the blasting cartridge body is clamped through the outer sides of the first sub-connecting part and the second sub-connecting part, and the directional hole of the blasting cartridge body is extruded and fixed by the directional protruding blocks at the first sub-connecting part and the second sub-connecting part, so that the blasting cartridge body is conveniently fixed between the first sub-connecting part and the second sub-connecting part, and the two mutually connected blasting cartridge bodies cannot rotate relatively when being inserted into the blasting hole.
2. According to the invention, the annular elastic damping ring is extruded into the fixing groove through the clamping block, so that the annular elastic damping ring is shrunk, and then, as the annular elastic damping ring belongs to an elastic element, the impact on the clamping block is buffered under the action of the elasticity of the annular elastic damping ring, so that the service life of the second sub-connecting part and the first sub-connecting part is prolonged.
3. According to the invention, the reset spring is extruded by the nut, so that the reset spring is contracted, and the reset spring belongs to an elastic element and drives the nut to reset under the action of the elasticity of the reset spring, so that the structure can prevent the nut from slipping, and further stabilize the connection firmness.
The invention will be explained in more detail below with reference to the drawings and examples.
Drawings
The contents of the description and the references in the drawings are briefly described as follows:
FIG. 1 is a front cross-sectional structural schematic view of the present invention;
FIG. 2 is a schematic elevation view of the present invention;
FIG. 3 is a schematic left side view of the present invention;
FIG. 4 is an enlarged view of portion A of FIG. 1 according to the present invention;
FIG. 5 is an enlarged view of the portion B of FIG. 1 according to the present invention;
fig. 6 is a perspective view of the body and directional hole of the explosive cartridge of the present invention.
Labeled as: 1. a hinge axis; 2. a first sub-connection portion; 3. a second sub-connection portion; 4. fixing grooves; 5. an annular elastic damping ring; 6. a clamping block; 7. a slider; 8. clamping the rubber block; 9. a blasting cartridge body; 10. a directional hole; 11. an arc-shaped slot; 12. orienting the convex blocks; 13. mounting blocks; 14. a first thread groove; 15. a screw; 16. a nut; 17. a second thread groove; 18. a return spring; 19. positioning blocks; 20. a moving groove; 21. fixing the spring; 22. an arc-shaped limiting block.
Detailed Description
The following description of the embodiments of the present invention, with reference to the accompanying drawings, will be made in further detail for the purpose of providing a more complete, accurate and thorough understanding of the inventive concepts and technical solutions of the present invention, including the shapes of the components, the structures, the mutual positions and connection relationships of the components, the functions and operating principles of the components, the manufacturing processes, the operation and use methods, and the like.
Fig. 1-6 show a connecting structure of a blasting cartridge for deep hole blasting in a mine, which comprises a hinge shaft 1, a first sub-connecting portion 2 and a second sub-connecting portion 3, wherein the outer wall of the hinge shaft 1 is hinged with the first sub-connecting portion 2, the outer wall of the hinge shaft 1 at one side of the first sub-connecting portion 2 is hinged with the second sub-connecting portion 3, and fixing grooves 4 are formed in the inner sides of the first sub-connecting portion 2 and the second sub-connecting portion 3;
a plurality of annular elastic damping rings 5 are arranged in the fixing groove 4, a clamping block 6 is arranged on one side of each annular elastic damping ring 5, the annular elastic damping rings 5 are extruded into the fixing groove 4 through the clamping blocks 6, so that the annular elastic damping rings 5 are shrunk, then, as the annular elastic damping rings 5 belong to elastic elements, the impact on the clamping blocks 6 is buffered under the self elastic action of the annular elastic damping rings 5, and the service life of the hinge shaft 1 and the first sub-connecting part 2 is prolonged;
the clamping block 6 is arranged inside the fixing groove 4, the sliding blocks 7 matched with the inside of the fixing groove 4 are arranged at two ends of the clamping block 6, and the clamping block 6 moves in the fixing groove 4 through the sliding blocks 7, so that the buffer space is increased conveniently, and the buffer effect is achieved;
the outer wall of the clamping block 6 is provided with a clamping rubber block 8, the clamping rubber block 8 can be made of silicon rubber, and the silicon rubber friction material has the characteristics of good friction coefficient and mechanical property;
the inner sides of the second sub-connecting part 3 and the first sub-connecting part 2 are both provided with directional raised blocks 12;
the blasting cartridge body 9 is arranged between the outer walls of the directional protruding blocks 12, the outer wall of the blasting cartridge body 9 is provided with directional holes 10 matched with the outer walls of the directional protruding blocks 12, the directional holes 10 at the position of the blasting cartridge body 9 are extruded and fixed through the directional protruding blocks 12 in the first sub-connecting part 2, and therefore the blasting cartridge body 9 can be conveniently fixed between the first sub-connecting part 2 and the second sub-connecting part 3;
mounting blocks 13 are mounted at the bottom ends of the second sub-connecting part 3 and the first sub-connecting part 2, a first thread groove 14 is formed in each mounting block 13, and a fixing mechanism for fixing the positions of the mounting blocks 13 is arranged in each first thread groove 14;
the fixing mechanism comprises a screw rod 15 and a nut 16, the inner wall of the first thread groove 14 is provided with the screw rod 15, the screw rod 15 and the first thread groove 14 belong to a thread connection relationship, the outer wall of the screw rod 15 is provided with a plurality of arc-shaped grooves 11, and the screw rod 15 is meshed with the first thread groove 14, so that the screw rod 15 is fixed inside the first thread groove 14, and two groups of first mounting blocks 13 are conveniently fixed;
a nut 16 is arranged on the outer wall of the screw 15, a second thread groove 17 is formed in the nut 16, the inner portion of the second thread groove 17 is meshed with the outer wall of the screw 15, the second thread groove 17 is driven to be meshed with the outer wall of the screw 15 by rotating the nut 16, so that the nut 16 is fixed on the outer wall of the screw 15, the nut 16 is convenient to attach to the outer wall of the first thread groove 14, and the position of the first thread groove 14 is tightened;
the outer wall of the screw rod 15 is sleeved with a return spring 18, two sides of the return spring 18 are respectively connected with the nut 16 and the positioning block 19, and the nut 16 is impacted, so that a wire sliding condition occurs, the nut 16 extrudes the return spring 18, the return spring 18 contracts, the return spring 18 belongs to an elastic element, the nut 16 is driven to reset under the action of the elastic force of the return spring 18, and the structure can prevent the nut 16 from shifting;
a positioning block 19 is arranged on the outer wall of the screw 15, a plurality of moving grooves 20 are formed in the inner wall of the positioning block 19, a fixed spring 21 is arranged inside the moving groove 20, the fixed spring 21 is extruded by an arc-shaped limiting block 22, so that the fixed spring 21 is shrunk in the moving groove 20, and then, after the arc-shaped limiting block 22 is aligned with the arc-shaped groove 11, the arc-shaped limiting block 22 is driven to reset and clamp under the self-elastic action of the fixed spring 21, so that the structure has a quick positioning effect;
fixed spring 21 is inside to be provided with the arc stopper 22 that runs through shifting chute 20, and the outer wall of arc stopper 22 meshes with arc wall 11 mutually, extrudes fixed spring 21 through arc stopper 22 to fixed spring 21 takes place the crimple in shifting chute 20, then, aligns the back when arc stopper 22 and arc wall 11 position, then drives arc stopper 22 under fixed spring 21 self elastic force effect and resets the block, and this structure plays quick location effect.
By adopting the technical scheme, after the two groups of the blasting cartridge bodies 9 are aligned, the first sub-connecting parts 2 and the second sub-connecting parts 3 on the two sides are turned over on the outer wall of the hinge shaft 1 so as to surround the outer wall of the blasting cartridge body 9, the first sub-connecting parts 2 and the second sub-connecting parts 3 drive the directional protruding blocks 12 to be inserted into the directional holes 10 on the inner wall of the blasting cartridge body 9 during turning, the positions in the directional holes 10 are fixed through the directional protruding blocks 12, and the two mutually connected blasting cartridge bodies 9 can be conveniently inserted into the blasting holes without relative rotation, so that the directional holes 10 are ensured to face to the preset blasting direction, and the blasting accuracy is improved;
then, the screw 15 is rotated and inserted into the first thread grooves 14 at both sides, then the nut 16 is rotated to drive the second thread groove 17 to be meshed with the outer wall of the screw 15, then the nut 16 fixes the positions of the two groups of first thread grooves 14, then the nut 16 drives the return spring 18 and the positioning block 19 to move towards the outer wall of the screw 15, then the screw is moved to a proper position, the arc-shaped limiting block 22 extrudes the fixing spring 21 to enable the arc-shaped limiting block 22 to be aligned with the position of the arc-shaped groove 11, then the arc-shaped limiting block 22 is driven to be inserted into the arc-shaped groove 11 under the self-elastic action of the fixing spring 21, so that the nut 16 is fixed at the position of the outer wall of the screw 15, the situation that the nut 16 is impacted and thereby the sliding wire is avoided, the specific operation is that the return spring 18 is extruded by the nut 16 to enable the return spring 18 to be contracted, because the return spring 18 belongs to an elastic element, the nut 16 is driven to be reset under the self-elastic action, the structure has the advantages that the situation that the nut 16 slips is avoided, and the stability of the first sub-connecting part 2 and the second sub-connecting part 3 for fixing the two groups of the blasting cartridge bodies 9 is ensured;
when first sub-connecting portion 2 and the 3 blocks of second sub-connecting portion are when 9 outer walls of explosion tube body, drive through pressing from both sides tight rubber block 8 and press from both sides tight piece 6 to extrusion annular elasticity damping ring 5 in fixed slot 4 for annular elasticity damping ring 5 takes place to shrink, then, because annular elasticity damping ring 5 belongs to elastic element, then carry out the cushioning effect to the impact that presss from both sides tight piece 6 and receive under annular elasticity damping ring 5 self elastic action, this structure has increased the life of second sub-connecting portion 3 and first sub-connecting portion 2 department.
The invention has been described above with reference to the accompanying drawings, it is obvious that the invention is not limited to the specific implementation in the above-described manner, and it is within the scope of the invention to apply the inventive concept and solution to other applications without substantial modification.
Claims (10)
1. The utility model provides a blasting cartridge connection structure of mine deep hole blasting, includes hinge pin (1), first sub-connecting portion (2) and second sub-connecting portion (3), its characterized in that: the hinge pin comprises a hinge shaft (1), wherein the outer wall of the hinge shaft (1) is hinged to a first sub-connecting portion (2), the outer wall of the hinge shaft (1) on one side of the first sub-connecting portion (2) is hinged to a second sub-connecting portion (3), fixing grooves (4) are formed in the inner sides of the first sub-connecting portion (2) and the second sub-connecting portion (3), a directional hole (10) is formed in the inner sides of the second sub-connecting portion (3) and the first sub-connecting portion (2), a directional protruding block (12) is arranged in the directional hole (10), mounting blocks (13) are mounted at the bottom ends of the second sub-connecting portion (3) and the first sub-connecting portion (2), a first thread groove (14) is formed in the mounting blocks (13), and a fixing mechanism used for fixing positions between the mounting blocks (13) is arranged in the first thread groove (14).
2. The explosive cartridge connecting structure for deep hole blasting in mine according to claim 1, wherein: the inside of fixed slot (4) is provided with a plurality of annular elasticity shock attenuation circle (5), and the tight piece (6) of clamp is installed to one side of annular elasticity shock attenuation circle (5).
3. The explosive cartridge connecting structure for deep hole blasting in mine according to claim 2, wherein: the inside of fixed slot (4) is provided with and presss from both sides tight piece (6), and presss from both sides tight piece (6) both ends and be provided with inside assorted slider (7) of fixed slot (4).
4. The explosive cartridge connecting structure for deep hole blasting in mine according to claim 2, wherein: the outer wall of the clamping block (6) is provided with a clamping rubber block (8), and the clamping rubber block (8) can be made of silicon rubber.
5. The explosive cartridge connecting structure for deep hole blasting in mine according to claim 1, wherein: an explosion tube body (9) is arranged between the outer walls of the directional bulge blocks (12), and arc-shaped grooves (11) matched with the outer walls of the directional bulge blocks (12) are formed in the outer walls of the explosion tube body (9).
6. The explosive cartridge connecting structure for deep hole blasting in mine according to claim 1, wherein: the fixing mechanism comprises a screw rod (15) and a nut (16), the inner wall of the first thread groove (14) is provided with the screw rod (15), the screw rod (15) and the first thread groove (14) belong to a threaded connection relation, and the outer wall of the screw rod (15) is provided with a plurality of arc-shaped grooves (11).
7. The explosive cartridge connecting structure for deep hole blasting in mine according to claim 6, wherein: the outer wall of the screw rod (15) is provided with a nut (16), a second thread groove (17) is formed in the nut (16), and the interior of the second thread groove (17) is meshed with the outer wall of the screw rod (15).
8. The explosive cartridge connecting structure for deep hole blasting in mine according to claim 6, wherein: the outer wall of the screw rod (15) is sleeved with a return spring (18), and two sides of the return spring (18) are respectively connected with the nut (16) and the positioning block (19).
9. The explosive cartridge connecting structure for deep hole blasting in mine according to claim 6, wherein: the outer wall of the screw rod (15) is provided with a positioning block (19), the inner wall of the positioning block (19) is provided with a plurality of moving grooves (20), and fixing springs (21) are arranged inside the moving grooves (20).
10. The explosive cartridge connecting structure for deep hole blasting in mine according to claim 9, wherein: the fixed spring (21) is internally provided with an arc-shaped limiting block (22) which penetrates through the moving groove (20), and the outer wall of the arc-shaped limiting block (22) is meshed with the arc-shaped groove (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111500572.2A CN114413696A (en) | 2021-12-09 | 2021-12-09 | Explosion tube connecting structure for mine deep hole blasting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111500572.2A CN114413696A (en) | 2021-12-09 | 2021-12-09 | Explosion tube connecting structure for mine deep hole blasting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114413696A true CN114413696A (en) | 2022-04-29 |
Family
ID=81265113
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111500572.2A Pending CN114413696A (en) | 2021-12-09 | 2021-12-09 | Explosion tube connecting structure for mine deep hole blasting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114413696A (en) |
-
2021
- 2021-12-09 CN CN202111500572.2A patent/CN114413696A/en active Pending
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