CN113790646B - Hole-by-hole blasting device for stone mining area - Google Patents
Hole-by-hole blasting device for stone mining area Download PDFInfo
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- CN113790646B CN113790646B CN202111307546.8A CN202111307546A CN113790646B CN 113790646 B CN113790646 B CN 113790646B CN 202111307546 A CN202111307546 A CN 202111307546A CN 113790646 B CN113790646 B CN 113790646B
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- 238000005422 blasting Methods 0.000 title claims abstract description 22
- 238000005065 mining Methods 0.000 title claims abstract description 11
- 239000004575 stone Substances 0.000 title claims abstract description 10
- 239000000463 material Substances 0.000 claims abstract description 23
- 230000005540 biological transmission Effects 0.000 claims description 9
- 239000011435 rock Substances 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000005553 drilling Methods 0.000 abstract description 12
- 238000009434 installation Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 description 27
- 238000005516 engineering process Methods 0.000 description 4
- 240000007643 Phytolacca americana Species 0.000 description 2
- 235000009074 Phytolacca americana Nutrition 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002441 reversible effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42D—BLASTING
- F42D1/00—Blasting methods or apparatus, e.g. loading or tamping
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C47/00—Machines for obtaining or the removal of materials in open-pit mines
- E21C47/10—Machines for obtaining or the removal of materials in open-pit mines for quarrying stone, sand, gravel, or clay
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- 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
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Earth Drilling (AREA)
Abstract
The invention relates to the technical field of ore mining auxiliary devices, in particular to a hole-by-hole blasting device for a stone mining area, which comprises a bottom plate horizontally arranged; a moving plate is horizontally arranged on the bottom plate in a sliding manner, a motor set is arranged on the moving plate, and an auger stem is arranged at the output end of the motor set; the base plate is provided with a detonator conveying mechanism, the detonator conveying mechanism also comprises a material conveying channel, and the material conveying channel is formed by splicing a slope structure and an arc structure channel; a pushing column is concentrically and slidably arranged in the arc-shaped structure channel, at least two sliding grooves are formed in the inner wall of the arc-shaped structure channel, a sliding strip is slidably arranged in each sliding groove, and at least two sliding strips are fixedly arranged on the circumferential outer wall of the pushing column; and a mechanical linkage assembly is arranged between the detonator conveying mechanism and the moving plate. According to the invention, the detonator is automatically installed, and the drilling and the detonator installation are synchronously performed, so that the labor intensity of workers is effectively reduced, the detonator is convenient to take and place, and the working efficiency is high.
Description
Technical Field
The invention relates to the technical field of ore mining auxiliary devices, in particular to a hole-by-hole blasting device for a stone mining area.
Background
The mining intensity of a mine is greatly increased due to urgent demands of social and economic development and construction on mineral resources, a plurality of factors such as geology, mountain environment, hydrological environment and the like of the mine influence mine blasting to a great extent, in order to ensure the mining safety, the most reasonable and safe blasting technology is selected in the actual mining process, and the hole-by-hole blasting technology is used as a blasting technology with a higher safety and stability coefficient and plays an important role in the mining process; at present, the in-process of blasting the mine is carried out to the use hole-by-hole blasting technique, need at first drill to the mine to put into the downthehole of drilling with the detonator one by one, drilling is carried out earlier to current mode, later the staff manually puts into the hole with the detonator, and staff's intensity of labour is big, and gets to put of detonator convenient inadequately, and is harder, and whole work efficiency is low.
Disclosure of Invention
The main object of the present invention is to provide a hole-by-hole blasting apparatus for a rock mine, thereby effectively solving the problems pointed out in the background art.
In order to achieve the purpose, the invention adopts the technical scheme that:
a hole-by-hole blasting apparatus for a rock mine, comprising:
a bottom plate horizontally arranged;
a moving plate is horizontally arranged on the bottom plate in a sliding manner, a motor set is arranged on the moving plate, and an auger stem is arranged at the output end of the motor set;
the base plate is provided with a detonator conveying mechanism, the detonator conveying mechanism also comprises a material conveying channel, the material conveying channel is formed by splicing a slope structure and an arc-shaped structure channel, and the arc-shaped structure channel is arranged at the position with the same height as the spiral drill rod;
a pushing column is concentrically and slidably arranged in the arc-shaped structure channel, at least two sliding grooves are formed in the inner wall of the arc-shaped structure channel, a sliding strip is slidably arranged in each sliding groove, and at least two sliding strips are fixedly arranged on the circumferential outer wall of the pushing column;
and a mechanical linkage assembly is arranged between the detonator conveying mechanism and the moving plate.
Further, the mechanical linkage assembly comprises a support plate, the support plate is fixedly mounted at the bottom end of the pushing column, a groove is formed in the bottom of the arc-shaped structure channel, the support plate can slide in the groove, a rack is arranged at the bottom end of the support plate, two rotating shafts are arranged on the bottom plate, a circular plate is arranged at the top end of one rotating shaft, a gear is arranged at the top end of the other rotating shaft, driving wheels are fixedly sleeved on the two rotating shafts, a belt is sleeved on the two driving wheels in a transmission mode, the gears are meshed with the rack, and a plurality of shifting rods are circumferentially arranged at equal intervals at the top ends of the circular plates;
the bottom end of the movable plate is provided with a linkage plate, the bottom end of the linkage plate is hinged to a shifting plate, the upper left corner of the shifting plate is hinged to the bottom end of the linkage plate, the front end of the shifting plate is provided with a telescopic column in a telescopic mode, the front end of the telescopic column is provided with an intermediate plate, one end, away from the telescopic column, of the rear side wall of the intermediate plate is provided with a clamping pin, the bottom end of the linkage plate is further provided with a supporting plate, a first clamping groove is formed in the supporting plate, and the lower half area of the front end of the linkage plate is provided with a second clamping groove.
Further, be provided with two fixed plates on the bottom plate, two fixed plates are the symmetry form and arrange, be provided with two guide posts between two fixed plates, movable plate slip suit is on two guide posts, it is provided with the screw thread axle to rotate on two fixed plates, screw thread axle one end is rotated and is run through one of them fixed plate, and be provided with drive machine on the bottom plate, the one end that the screw thread axle passed the fixed plate is connected with the drive machine output, linkage plate spiral shell suit is established on the screw thread axle, be provided with the round hole on another fixed plate, and the round hole is with the axle center with auger stem.
Furthermore, a material guide plate is arranged on one side, back to the moving plate, of the fixed plate, provided with the circular hole, an included angle smaller than 45 degrees is formed between the material guide plate and the fixed plate, and two limiting plates are symmetrically arranged on the material guide plate.
Furthermore, the slope structure of the material conveying channel is symmetrically provided with auxiliary plates, and rectangular through holes are formed in the two auxiliary plates.
Furthermore, a connecting plate is arranged between the bottom plate and the slope structure of the material conveying channel, and the material conveying channel is fixedly installed on the bottom plate through the connecting plate.
Furthermore, four corners of the bottom end of the bottom plate are provided with supporting legs, and the four supporting legs are provided with idler wheels in a rotating mode.
Furthermore, a handle is arranged at the front end of the middle plate.
After the technical scheme is adopted, the invention has the beneficial effects that:
the detonator is firstly discharged on the conveying channel, the detonators are sequentially arranged on the slope structure of the conveying channel, the detonator at the bottom is in sliding contact with the outer wall of the circumference of the pushing column, after the auger stem finishes drilling, the auger stem moves in the reverse direction under the driving of the moving plate, the auger stem moves out of the hole at the moment, in the process of moving out of the auger stem, the pushing column and the auger stem move in the same direction for the same distance, the device moves for a distance integrally, the arc-shaped structure channel of the conveying channel moves to the initial position of the auger stem at the moment, in the process of drilling the auger stem again, the pushing column is driven by the mechanical linkage mechanism to move horizontally, the pushing column pushes the detonator entering the arc-shaped structure channel into the hole drilled before, automatic installation of the detonator is completed, the drilling and the installation of the detonator are carried out synchronously, the labor intensity of workers is effectively reduced, the detonator is convenient to take and place, and place the detonator, and the working efficiency is high.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic perspective view of a structure of the present invention with a left front corner angled downward;
FIG. 2 is a schematic perspective view of a right-rear-left-front oblique view of the present invention;
FIG. 3 is a schematic perspective view of the right rear corner angle downward angled view configuration of the present invention;
FIG. 4 is a schematic perspective view of the structure of the invention with the left back corner angled downward;
FIG. 5 is a partially enlarged schematic perspective view of the structure of the present invention;
FIG. 6 is a schematic perspective view of the right rear corner angle of a partial structure of the present invention looking obliquely downward;
reference numerals: 1. a base plate; 2. moving the plate; 3. a motor unit; 4. a auger stem; 5. a material conveying channel; 5a, a slope structure; 5b, an arc-shaped structural channel; 6. pushing the column; 7. a slide bar; 8. a support plate; 9. slotting; 10. a rack; 11. a rotating shaft; 12. a circular plate; 13. a gear; 14. a driving wheel; 15. a belt; 16. a poke rod; 17. a linkage plate; 18. a poking plate; 19. a telescopic column; 20. a middle plate; 21. a bayonet lock; 22. a support plate; 23. a second card slot; 24. a fixing plate; 25. a guide post; 26. a threaded shaft; 27. a drive motor; 28. a circular hole; 29. a material guide plate; 30. a limiting plate; 31. an auxiliary plate; 32. a connecting plate; 33. a support leg; 34. a roller; 35. a handle.
Detailed Description
The following detailed description of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
According to the hole-by-hole blasting device for the stone mine area, the installation mode, the connection mode or the arrangement mode of all the components are common mechanical modes, and the specific structures, models and coefficient indexes of all the components are self-contained technologies, so that the hole-by-hole blasting device can be implemented as long as the beneficial effects of the parts can be achieved, and further description is omitted.
Without being limited to the contrary, the directional terms included in the terms "upper, lower, left, right, front, back, inner, outer, vertical and horizontal" and the like in the present invention are only used to represent the direction of the term in a conventional use state or are colloquially understood by those skilled in the art, and should not be construed as limiting the term, and meanwhile, the series of terms "first", "second" and "third" and the like do not represent specific numbers and sequences, but are used only for name distinction, and the terms "include", "include" or any other variants thereof are intended to cover non-exclusive inclusions, so that a process, method, article or apparatus including a series of elements includes not only those elements but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or apparatus.
As shown in fig. 1 to 6, a hole-by-hole blasting apparatus for a rock mine comprises a base plate 1 horizontally disposed; a moving plate 2 is horizontally arranged on the bottom plate 1 in a sliding manner, a motor set 3 is arranged on the moving plate 2, and an auger stem 4 is arranged at the output end of the motor set 3; the base plate 1 is provided with a detonator conveying mechanism, the detonator conveying mechanism also comprises a material conveying channel 5, the material conveying channel 5 is formed by splicing a slope structure 5a and an arc-shaped structure channel 5b, wherein the arc-shaped structure channel 5b is arranged at the position with the same height as the spiral drill rod 4; a pushing column 6 is concentrically arranged in the arc-shaped structure channel 5b in a sliding manner, at least two sliding grooves are formed in the inner wall of the arc-shaped structure channel 5b, a sliding strip 7 is arranged in each sliding groove in a sliding manner, and at least two sliding strips 7 are fixedly arranged on the outer wall of the circumference of the pushing column 6; and a mechanical linkage assembly is arranged between the detonator conveying mechanism and the moving plate 2.
Preferably, the mechanical linkage assembly comprises a support plate 8, the support plate 8 is fixedly mounted at the bottom end of the pushing column 6, a slot 9 is formed in the bottom of the arc-shaped structure channel 5b, the support plate 8 can slide in the slot 9, a rack 10 is arranged at the bottom end of the support plate 8, two rotating shafts 11 are arranged on the bottom plate 1, a circular plate 12 is arranged at the top end of one rotating shaft 11, a gear 13 is arranged at the top end of the other rotating shaft 11, driving wheels 14 are fixedly sleeved on the two rotating shafts 11, belts 15 are sleeved on the two driving wheels 14 in a driving mode, the gears 13 are meshed with the rack 10, and a plurality of poking rods 16 are circumferentially arranged at equal intervals at the top end of the circular plate 12; the bottom end of the moving plate 2 is provided with a linkage plate 17, the bottom end of the linkage plate 17 is hinged with a shifting plate 18, the upper left corner of the shifting plate 18 is hinged with the bottom end of the linkage plate 17, the front end of the shifting plate 18 is provided with a telescopic column 19 in a telescopic mode, the front end of the telescopic column 19 is provided with an intermediate plate 20, one end, far away from the telescopic column 19, of the rear side wall of the intermediate plate 20 is provided with a clamping pin 21, the bottom end of the linkage plate 17 is further provided with a supporting plate 22, a first clamping groove is formed in the supporting plate 22, and the lower half area of the front end of the linkage plate 17 is provided with a second clamping groove 23.
In the using process, in the process of horizontally moving the moving plate 2, the auger stem 4 drills a mine, in the process, the bayonet 21 on the poking plate 18 is clamped into the first clamping groove, at the moment, the position of the poking plate 18 is fixed, in the process of drilling the auger stem 4, the moving plate 2 drives the poking plate 18 to horizontally move, in the process, the poking plate 18 pokes the poking rod 16 on the circular plate 12 to further rotate the circular plate 12, the circular plate 12 drives the gear 13 to rotate through the two driving wheels 14 and the belt 15, the gear 13 drives the rack 10 to horizontally move in the rotating process, the movement of the rack 10 is the same as and synchronous with the horizontal movement direction of the auger stem 4, in the process that the auger stem 4 reversely moves to the initial position, the rack 10 drives the pushing column 6 to synchronously move to the initial position, so that drilling and detonator installation are synchronously performed, and it needs to be noted that, on the premise that after one hole is drilled at first, when the auger stem 4 drills the next adjacent hole, the pushing column 6 pushes the detonator into the previously drilled hole.
Preferably, the bottom plate 1 is provided with two fixing plates 24, the two fixing plates 24 are symmetrically arranged, two guide posts 25 are arranged between the two fixing plates 24, the moving plate 2 is slidably sleeved on the two guide posts 25, the two fixing plates 24 are rotatably provided with threaded shafts 26, one end of each threaded shaft 26 rotatably penetrates through one of the fixing plates 24, the bottom plate 1 is provided with a transmission motor 27, one end of each threaded shaft 26 penetrating through the corresponding fixing plate 24 is connected with the output end of the corresponding transmission motor 27, the linkage plate 17 is sleeved on the corresponding threaded shaft 26 in a threaded manner, the other fixing plate 24 is provided with a round hole 28, and the round hole 28 and the auger stem 4 are coaxial.
In the use, the movable plate 2 moves horizontally along the two guide posts 25, the two guide posts 25 guide and limit the movable plate 2, the transmission motor 27 is electrified, the transmission motor 27 drives the threaded shaft 26 to rotate, the threaded shaft 26 drives the movable plate 2 to move horizontally through the linkage plate 17, and in the process of drilling the mine by the auger stem 4, the auger stem 4 penetrates through the round hole 28, so that the auger stem 4 is more stable in the working process.
Preferably, as for the above embodiment, a material guiding plate 29 is disposed on a side of the fixed plate 24, which faces away from the moving plate 2, where the circular hole 28 is disposed thereon, an included angle of less than 45 degrees is formed between the material guiding plate 29 and the fixed plate 24, and two limiting plates 30 are symmetrically disposed on the material guiding plate 29.
In the use process, the broken stones generated by drilling fall on the ground under the action of the guide plate 29, so that the broken stones cannot damage the device.
Preferably, the slope structure 5a of the feeding channel 5 is symmetrically provided with auxiliary plates 31, and the two auxiliary plates 31 are provided with rectangular through holes.
In the use process, the two auxiliary plates 31 can arrange the detonators in order, and the detonators are prevented from being stuck when moving downwards.
Preferably, as the above embodiment, a connecting plate 32 is arranged between the bottom plate 1 and the slope structure 5a of the feed delivery channel 5, and the feed delivery channel 5 is fixedly installed on the bottom plate 1 through the connecting plate 32.
In the using process, the connecting plate 32 plays a role in supporting and limiting the material conveying channel 5.
Preferably, the four corners of the bottom end of the bottom plate 1 are provided with legs 33, and the four legs 33 are rotatably provided with rollers 34.
In the use process, the rolling of the roller 34 is convenient for horizontally moving the device, and the use flexibility is improved.
In the above embodiment, the grip 35 is preferably provided at the front end of the middle plate 20.
In the using process, the middle plate 20 and the bayonet 21 are convenient to operate through the grip 35, and the operation is simple and labor-saving.
In the using process, the detonators are firstly discharged on the conveying channel, the detonators are sequentially arranged on the slope structure 5a of the conveying channel 5, the detonators at the lowest part are in sliding contact with the outer wall of the circumference of the pushing column 6, after the auger stem 4 is drilled, the auger stem 4 is driven by the moving plate 2 to move in the reverse direction, the auger stem 4 is moved out of the hole at the moment, in the moving-out process of the auger stem 4, the pushing column 6 and the auger stem 4 move in the same direction for the same distance, then the device integrally moves for a certain distance, the arc-shaped structure channel 5b of the conveying channel 5 moves to the initial position of the auger stem 4 at the moment, in the re-drilling process of the auger stem 4, the pushing column 6 is driven by the mechanical linkage mechanism to move horizontally, the pushing column 6 pushes the detonators entering the arc-shaped structure channel 5b into the hole drilled before, automatic detonator installation is completed, the drilling and the detonator is synchronously performed, the labor intensity of workers is effectively reduced, the detonator is convenient to pick and place the detonators, and the detonator, and the work efficiency is high.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (7)
1. A hole-by-hole blasting apparatus for a rock mine, comprising:
a bottom plate (1) arranged horizontally;
a moving plate (2) is horizontally arranged on the bottom plate (1) in a sliding manner, a motor set (3) is arranged on the moving plate (2), and an auger stem (4) is arranged at the output end of the motor set (3);
a detonator conveying mechanism is arranged on the base plate (1), the detonator conveying mechanism comprises a material conveying channel (5), the material conveying channel (5) is formed by splicing a slope structure (5 a) and an arc-shaped structure channel (5 b), and the arc-shaped structure channel (5 b) is arranged at the position with the same height as the auger stem (4);
a pushing column (6) is concentrically arranged in the arc-shaped structure channel (5 b) in a sliding manner, at least two sliding grooves are formed in the inner wall of the arc-shaped structure channel (5 b), a sliding strip (7) is arranged in each sliding groove in a sliding manner, and the at least two sliding strips (7) are fixedly arranged on the outer wall of the circumference of the pushing column (6);
a mechanical linkage assembly is arranged between the detonator conveying mechanism and the moving plate (2);
the mechanical linkage assembly comprises a support plate (8), the support plate (8) is fixedly installed at the bottom end of the pushing column (6), a slot (9) is formed in the bottom of the arc-shaped structure channel (5 b), the support plate (8) can slide in the slot (9), a rack (10) is arranged at the bottom end of the support plate (8), two rotating shafts (11) are arranged on the bottom plate (1), a circular plate (12) is arranged at the top end of one rotating shaft (11), a gear (13) is arranged at the top end of the other rotating shaft (11), transmission wheels (14) are fixedly sleeved on the two rotating shafts (11), belts (15) are movably sleeved on the two transmission wheels (14), the gear (13) is meshed with the rack (10), and a plurality of shifting rods (16) are circumferentially and equidistantly arranged at the top end of the circular plate (12);
the bottom end of the movable plate (2) is provided with a linkage plate (17), the bottom end of the linkage plate (17) is hinged to a poking plate (18), the upper left corner of the poking plate (18) is hinged to the bottom end of the linkage plate (17), the front end of the poking plate (18) is provided with a telescopic column (19) in a telescopic mode, the front end of the telescopic column (19) is provided with an intermediate plate (20), one end, far away from the telescopic column (19), of the rear side wall of the intermediate plate (20) is provided with a clamping pin (21), the bottom end of the linkage plate (17) is further provided with a supporting plate (22), a first clamping groove is formed in the supporting plate (22), and the lower half area of the front end of the linkage plate (17) is provided with a second clamping groove (23).
2. The hole-by-hole blasting device for the stone mining area according to claim 1, wherein the bottom plate (1) is provided with two fixing plates (24), the two fixing plates (24) are symmetrically arranged, two guide columns (25) are arranged between the two fixing plates (24), the moving plate (2) is slidably sleeved on the two guide columns (25), the two fixing plates (24) are rotatably provided with threaded shafts (26), one end of each threaded shaft (26) rotatably penetrates through one fixing plate (24), the bottom plate (1) is provided with a transmission motor (27), one end of each threaded shaft (26) penetrating through the fixing plate (24) is connected with the output end of the transmission motor (27), the linkage plate (17) is sleeved on the threaded shaft (26) in a threaded manner, the other fixing plate (24) is provided with a circular hole (28), and the circular hole (28) and the auger stem (4) are coaxial.
3. The hole-by-hole blasting device for a stone mine according to claim 2, characterized in that a material guiding plate (29) is arranged on one side of the fixed plate (24) which is provided with the circular hole (28) and faces away from the moving plate (2), an included angle of less than 45 degrees is formed between the material guiding plate (29) and the fixed plate (24), and two limiting plates (30) are symmetrically arranged on the material guiding plate (29).
4. A hole-by-hole blasting apparatus for a rock mine as claimed in claim 1, wherein the ramp structure (5 a) of the feed channel (5) is symmetrically provided with auxiliary plates (31), and both auxiliary plates (31) are provided with rectangular through holes.
5. A hole-by-hole blasting apparatus for a rock mine as claimed in claim 1, wherein a connecting plate (32) is provided between the bottom plate (1) and the slope structure (5 a) of the feed channel (5), and the feed channel (5) is fixedly mounted on the bottom plate (1) through the connecting plate (32).
6. A hole-by-hole blasting apparatus for stone mine as claimed in claim 1, wherein the bottom of the bottom plate (1) is provided with legs (33) at four corners thereof, and the four legs (33) are rotatably provided with rollers (34).
7. A hole-by-hole blasting apparatus for a rock mine as claimed in claim 1 wherein the intermediate plate (20) is provided at its forward end with a handle (35).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111307546.8A CN113790646B (en) | 2021-11-05 | 2021-11-05 | Hole-by-hole blasting device for stone mining area |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111307546.8A CN113790646B (en) | 2021-11-05 | 2021-11-05 | Hole-by-hole blasting device for stone mining area |
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| CN113790646A CN113790646A (en) | 2021-12-14 |
| CN113790646B true CN113790646B (en) | 2023-02-17 |
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| CN202111307546.8A Active CN113790646B (en) | 2021-11-05 | 2021-11-05 | Hole-by-hole blasting device for stone mining area |
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| CN105804764B (en) * | 2016-03-14 | 2017-12-19 | 中国矿业大学 | One kind bores the formula development machine that rises |
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| CN108895934A (en) * | 2018-07-27 | 2018-11-27 | 中国矿业大学 | A kind of deep hole standing shot blasting charge method and device |
| CN110243241A (en) * | 2019-06-14 | 2019-09-17 | 贵州大学 | A kind of demolition set for massif basalt explosion |
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| CN113001779A (en) * | 2021-04-01 | 2021-06-22 | 义乌市阅诗贸易有限公司 | Special equipment for drilling hole on stone wall and placing detonator |
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| CN113790646A (en) | 2021-12-14 |
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