CN109238059A - A kind of blast hole stemming device - Google Patents
A kind of blast hole stemming device Download PDFInfo
- Publication number
- CN109238059A CN109238059A CN201811298945.0A CN201811298945A CN109238059A CN 109238059 A CN109238059 A CN 109238059A CN 201811298945 A CN201811298945 A CN 201811298945A CN 109238059 A CN109238059 A CN 109238059A
- Authority
- CN
- China
- Prior art keywords
- area
- cabinet
- baffle
- stemming
- blast hole
- 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.)
- Pending
Links
- 238000003756 stirring Methods 0.000 claims abstract description 41
- 239000000463 material Substances 0.000 claims abstract description 16
- 239000002994 raw material Substances 0.000 claims abstract description 11
- 230000004888 barrier function Effects 0.000 claims abstract description 3
- 238000005192 partition Methods 0.000 claims abstract description 3
- 239000003638 chemical reducing agent Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims description 3
- 239000002699 waste material Substances 0.000 abstract description 4
- 238000002955 isolation Methods 0.000 abstract 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 201000010001 Silicosis Diseases 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 230000009172 bursting Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000001755 vocal effect Effects 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
- F42D1/08—Tamping methods; Methods for loading boreholes with explosives; Apparatus therefor
- F42D1/18—Plugs for boreholes
Landscapes
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Accessories For Mixers (AREA)
- Mixers Of The Rotary Stirring Type (AREA)
Abstract
The invention discloses a kind of blast hole stemming devices, including cabinet, the inner cavity of cabinet includes the firstth area, secondth area, firstth area is located above the secondth area, the top surface of the cabinet is equipped with the material transport hole that stemming raw material is connected to and can filled with the firstth area, the side of cabinet is equipped with the conveying pipeline extended from the secondth area to outside cabinet, the stirring fan of stirring stemming raw material is equipped in firstth area, secondth area, which is equipped with, releases the piston for being used for clogging from conveying pipeline for stemming, stirring fan and piston are driven by driving device, firstth area and the secondth area are by can be by the firstth area, the moveable barrier partitions of the connection of secondth area or isolation.The cabinet that the present invention is arranged, comprising stirring, clogging function, box volume is small, easy to operate, is applicable in the stemming filling in the especially small space in various landform, space, mechanized operation greatly improves working efficiency, cost of labor is reduced, high-precision operation reduces material waste, filling precision is improved, is economized on resources.
Description
Technical field
The invention belongs to stemming manufacture fields, specifically, being related to a kind of blast hole stemming device.
Background technique
Blast hole stemming is one of bursting work important procedure, and the purpose of filling is to obtain the energy of explosive charge very well
It utilizes, improves rock blasting crushing effect stemming length mainly with blasthole aperture, the related bore diameter of minimum burden is greatly then
Stemming length is big, and in general, stemming length cannot be less than minimum burden.Artificial filling causes a large amount of fugitive dusts, long-term operation
Will lead to silicosis, and manual work is quite cumbersome, charging, stirring, filling etc. work be finished artificially, heavy workload and
Stemming concentration and required stemming amount cannot reach accurate control, often result in material waste.Existing shothole stemming machine volume mistake
Greatly, filling can achieve for outdoor blasthole but cannot be effectively filled in the place of some narrow spaces.
In view of this present invention is specifically proposed.
Summary of the invention
The technical problem to be solved in the present invention is that overcoming the deficiencies of the prior art and provide a kind of blast hole stemming device, it is
Above-mentioned technical problem is solved, the present invention is using the basic conception of technical solution:
A kind of blast hole stemming device, including cabinet, the inner cavity of cabinet include the firstth area, the secondth area, and the firstth area is located at second
Above area, the top surface of the cabinet is equipped with the material transport hole that stemming raw material is connected to and can filled with the firstth area, and the side of cabinet is equipped with
The conveying pipeline extended from the secondth area to outside cabinet is equipped with the stirring fan of stirring stemming raw material, secondth area in firstth area
Equipped with stemming to be released to the piston for being used for clogging from conveying pipeline, stirring fan and piston are driven by driving device, firstth area
With the secondth area by can by the firstth area, the secondth area is connected to or the moveable barrier partitions be isolated.
Further, the inner cavity of the cabinet further includes third area, and third area is located at the side in the firstth area, and is located at second
The top in area, the third area are isolated with the firstth area by demarcation plate, and the driving device for stirring fan is stirring motor, stirring motor
It is arranged in third area.
Further, the baffle is that can roll up baffle, and the baffle runner for folding and unfolding baffle, gear are equipped in the third area
Plate runner is driven by speed reducer.
Further, the cabinet is equipped with the baffle guide rail mobile for guide baffle plate, and baffle guide rail is arranged in cabinet
On wall.
Further, the cabinet is equipped with the baffle card slot for limiting the flexible end of baffle, the baffle card slot setting
On cabinet wall.
Further, it is additionally provided with telescopic rod, telescopic rod motor in secondth area, piston is connect with telescopic rod, telescopic rod
By telescopic rod motor driven, the telescopic rod motor is mounted on cabinet wall.
Further, the piston horizontally moves, the cross section size phase of the cross section of the piston and the secondth area
Same or close, piston and the box perispore in third area are slidably matched, and the valve of control flow is equipped on the conveying pipeline.
Further, the outer bottom of the cabinet is equipped with zoetrope, and the zoetrope is at least 3.
Further, the cabinet is in rectangular shape, and the zoetrope is four, is separately mounted to cuboid quadrangle
Near.
Further, the cabinet is equipped with handle, and the handle and conveying pipeline are located at two opposite sides of cabinet.
After adopting the above technical scheme, the present invention has the advantages that compared with prior art.
The present invention using contractile baffle separation stirring area and clogs area by the way that cabinet is separated into multiple regions,
After stirring fan stirring stemming material, baffle is received, stemming falls into filling area by gravity, then stretches out baffle, with piston by stemming
It releases, realizes and complete stirring, filling function in cabinet, integral structure saves the device space, improves adaptability, and reduction is set
Standby cost.
The cabinet that the present invention is arranged, comprising stirring, filling function, box volume is small, easy to operate, be applicable in various landform,
The stemming in the especially small space in space is clogged, and mechanized operation greatly improves working efficiency, reduces cost of labor, while can cooperate
Main controller etc. controls equipment, by parameter setting, realizes automation, high-precision operation, reduces material waste, improves filling essence
Degree, economizes on resources.
A specific embodiment of the invention is described in further detail with reference to the accompanying drawing.
Detailed description of the invention
The a part of attached drawing as the application, for providing further understanding of the invention, of the invention is schematic
Examples and descriptions thereof are used to explain the present invention, but does not constitute an undue limitation on the present invention.Obviously, the accompanying drawings in the following description
Only some embodiments to those skilled in the art without creative efforts, can be with
Other accompanying drawings can also be obtained according to these attached drawings.In the accompanying drawings:
Fig. 1 is one embodiment of the invention overall schematic；
Fig. 2 is one embodiment of the invention box inner structure schematic diagram；
Fig. 3 is one embodiment of the invention agitation fan structure schematic diagram.
In figure: 1- cabinet；The firstth area 11-；The secondth area 12-；13- third area；101- material transport hole；102- stirring motor；
103- stirring fan；104- piston；105- telescopic rod；106- telescopic rod motor；107- conveying pipeline；21- baffle；22- baffle runner；
23- baffle guide rail；24- baffle card slot；3- zoetrope；4- handle.
It should be noted that these attached drawings and verbal description are not intended to the design model limiting the invention in any way
It encloses, but illustrates idea of the invention by referring to specific embodiments for those skilled in the art.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, the technical solution in embodiment is clearly and completely described, the following examples are intended to illustrate the invention, but
It is not intended to limit the scope of the invention.
Embodiment 1
As shown in Figure 1 to Figure 3, a kind of blast hole stemming device described in the present embodiment, including cabinet 1, cabinet 1 are in cuboid
Shape, the inner cavity of cabinet 1 include the first area 11, the second area 12, third area 13, and third area 13 is located at the left side in the first area 11, and second
Area 12 is located at the first area 11,13 lower section of third area, and three subregions form 1 lumen portion of cabinet, wherein third area 13 and the firstth area
11 are isolated by demarcation plate, and the second area 12 is separated with the first area 11, third area 13 by baffle 21, it should be noted that third area
13 can be connected to the second area 12, and steel, iron or alloy can be used in cabinet 1, demarcation plate here.
The top surface of cabinet 1 is equipped with the material transport hole 101 that stemming raw material is connected to and can filled with the first area 11, the material transport hole 101
It is two, fills two kinds of different stemming raw materials respectively, naturally it is also possible to several are set, selected according to the constituent species of stemming raw material
It selects.The side of cabinet 1 is equipped with the conveying pipeline 107 extended from the second area 12 to outside cabinet 1, and the conveying pipeline 107 is along horizontally disposed.The
The stirring fan 103 of stirring stemming raw material is equipped in one area 11, the driving device of stirring fan 103 is stirring motor 102, stirring motor
102 are arranged in third area 13, can be directly installed on demarcation plate, in this way, stirring motor 102 is not influenced by stirring, safety
Reliably.
Second area 12 is equipped with piston 104, telescopic rod 105, the telescopic rod electricity released stemming from conveying pipeline 107 and be used to clog
Machine 106, piston 104 are connect with telescopic rod 105, and telescopic rod 105 is driven by telescopic rod motor 106, and telescopic rod motor 106 is mounted on
On 1 inner wall of cabinet, the telescopic rod motor 106 is opposite with 107 position of conveying pipeline, i.e., the two is located at two to avris, piston
104 horizontally move, and when piston 104 is driven, piston 104 can be moved along 107 axial reciprocating of conveying pipeline, are convenient for stemming
It is released from material transport hole 101.The cross section of piston 104 is same or similar with the cross section size in the second area 12, piston 104 and third
1 peripheral wall of cabinet in area 13 is slidably matched, due to baffle 21 at this point, should be that the second area 12 and the first area 11 is isolated, second
The stemming in area 12 forms enclosure space, under the promotion of piston 104, can only go out from conveying pipeline 107, defeated for convenient for controlling conveying
The valve of control flow is installed in 107 mouthfuls of expects pipe or conveying pipeline 107.
First area 11, the second area 12 can be connected to by baffle 21 among these, and also the first area 11, the second area 12 can be isolated,
Baffle 21 is moveable, it is preferable that baffle 21 is rollable baffle 21, which is received by baffle runner 22
It puts, baffle runner 22 is mounted on third area 13, and positioned at the lower section of stirring motor 102, baffle runner 22 can be driven by speed reducer, such as
This, two power output device are separated with second area 12 in the first area 11 of stirring, filling.It should be noted that due to
Two areas 12 are located below, while piston 104 and telescopic rod motor 106 occupy certain space, therefore the space in third area 13 will not be with
Secondth area, 12 stemming position intersects, and will not impact to third area 13, of course, baffle 21 is also possible to the simultaneously here
Three areas 13 are isolated with the second area 12, can be arranged according to demand.
For convenient for the flexible of baffle 21, cabinet 1 is equipped with the baffle guide rail 23 mobile for guide baffle plate 21, baffle guide rail 23
It is arranged on 1 inner wall of cabinet.Cabinet 1 is equipped with to be stretched the baffle card slot 24 of end for limiting baffle 21, and baffle card slot 24 is arranged
On 1 inner wall of cabinet.In 21 folding and unfolding of baffle, baffle guide rail 23 guides baffle 21, avoids the occurrence of dislocation.Baffle card slot
24 can play firm effect to baffle 21, conducive to the filling operation of lower piston 104 after the stretching of baffle 21.
The outer bottom of cabinet 1 is equipped with zoetrope 3, and zoetrope 3 is four, is separately mounted near cuboid quadrangle.
The rear of cabinet 1 is equipped with handle 4, and handle 4 and conveying pipeline 107 are located at cabinet 1 one in front and one in back, facilitate hand push by conveying pipeline
107 are sent into fill-up hole, and it is convenient to operate.
In use, baffle 21 trails, baffle 21 keeps apart the first area 11, the second area 12, by two different raw materials
It is put into respectively from two material transport holes 101, sets different amounts according to demand, material enters in the first area 11, is stirred by stirring fan 103
It mixes, controls mixing speed and time, obtain stemming after the completion of stirring, stirring fan 103 is stopped at this time, opens baffle runner 22,
Baffle 21 is furled, and is fallen in the second area 12 under the stemming in the first area 11, baffle runner 22 is opened, and baffle 21 stretches out, gear
Plate 21 is completely isolated by the first area 11, the second area 12, at this point, the stemming fallen into the second area 12 be in piston 104, baffle 21,
In the enclosure space that cabinet 1 forms, only conveying pipeline 107 is connected to the external world, opens telescopic rod motor 106, and piston 104 is to conveying pipeline
107 is mobile, and piston 104 releases stemming from conveying pipeline 107, and conveying pipeline 107 exports the stemming filling hole for having pressure, according to big gun
Mudflow amount controls filling position and time, completes stemming filling.
The present invention using contractile baffle separation stirring area and clogs area by the way that cabinet is separated into multiple regions,
After stirring fan stirring stemming material, baffle is received, stemming falls into filling area by gravity, then stretches out baffle, with piston by stemming
It releases, realizes and complete stirring, filling function in cabinet, integral structure saves the device space, improves adaptability, and reduction is set
Standby cost.The cabinet that the present invention is arranged, comprising stirring, filling function, box volume is small, easy to operate, is applicable in various landform, sky
Between especially small space stemming filling, mechanized operation greatly improves working efficiency, reduces cost of labor, while can cooperate master
It controls the control equipment such as device and automation, high-precision operation is realized by parameter setting, reduce material waste, improve filling precision,
It economizes on resources.
The above is only presently preferred embodiments of the present invention, is not intended to limit the present invention in any form, though
So the present invention has been disclosed as a preferred embodiment, and however, it is not intended to limit the invention, any technology people for being familiar with this patent
Member without departing from the scope of the present invention, when the technology contents using above-mentioned prompt make it is a little change or be modified to
The equivalent embodiment of equivalent variations, but anything that does not depart from the technical scheme of the invention content, it is right according to the technical essence of the invention
Any simple modification, equivalent change and modification made by above embodiments, in the range of still falling within the present invention program.
Claims (10)
1. a kind of blast hole stemming device, which is characterized in that including cabinet, the inner cavity of cabinet includes the firstth area, the secondth area, the firstth area
Above the secondth area, the top surface of the cabinet is equipped with the material transport hole that stemming raw material is connected to and can filled with the firstth area, cabinet
Side is equipped with the conveying pipeline extended from the secondth area to outside cabinet, and the stirring fan of stirring stemming raw material, institute are equipped in firstth area
It states the secondth area and is equipped with the piston that stemming is released from conveying pipeline and is used for filling, stirring fan and piston are driven by driving device, institute
The firstth area and the secondth area are stated by the moveable barrier partitions that can the firstth area, the secondth area be connected to or be isolated.
2. a kind of blast hole stemming device according to claim 1, which is characterized in that the inner cavity of the cabinet further includes third
Area, third area are located at the side in the firstth area, and be located at the top in the secondth area, the third area and the firstth area by demarcation plate every
From the driving device for stirring fan is stirring motor, and stirring motor is arranged in third area.
3. a kind of blast hole stemming device according to claim 2, which is characterized in that the baffle is that can roll up baffle, described
The baffle runner for folding and unfolding baffle is equipped in third area, baffle runner is driven by speed reducer.
4. a kind of blast hole stemming device according to claim 1, which is characterized in that the cabinet, which is equipped with, is used for guide baffle plate
Mobile baffle guide rail, baffle guide rail are arranged on cabinet wall.
5. a kind of blast hole stemming device according to claim 1, which is characterized in that the cabinet is equipped with for limiting baffle
The baffle card slot of flexible end, the baffle card slot are arranged on cabinet wall.
6. a kind of blast hole stemming device according to claim 1, which is characterized in that be additionally provided in secondth area flexible
Bar, telescopic rod motor, piston are connect with telescopic rod, and telescopic rod is mounted on case by telescopic rod motor driven, the telescopic rod motor
On internal wall.
7. a kind of blast hole stemming device according to claim 1, which is characterized in that the cross section of the piston and the secondth area
Cross section size it is same or similar, piston and the box perispore in third area are slidably matched.
8. a kind of blast hole stemming device according to claim 1, which is characterized in that be equipped with control stream on the conveying pipeline
The valve of amount, the material transport hole are two.
9. a kind of blast hole stemming device according to claim 8, which is characterized in that the outer bottom of the cabinet is equipped with activity
Runner, the cabinet are in rectangular shape, and zoetrope is four, are separately mounted near cuboid quadrangle.
10. a kind of blast hole stemming device according to claim 1, which is characterized in that the cabinet is equipped with handle, described
Handle and conveying pipeline are located at two opposite sides of cabinet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811298945.0A CN109238059A (en) | 2018-11-02 | 2018-11-02 | A kind of blast hole stemming device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811298945.0A CN109238059A (en) | 2018-11-02 | 2018-11-02 | A kind of blast hole stemming device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109238059A true CN109238059A (en) | 2019-01-18 |
Family
ID=65080299
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811298945.0A Pending CN109238059A (en) | 2018-11-02 | 2018-11-02 | A kind of blast hole stemming device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109238059A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114279283A (en) * | 2021-11-30 | 2022-04-05 | 宏大爆破工程集团有限责任公司 | Stemming filling device and method for open-air deep hole |
| CN114963911A (en) * | 2022-07-11 | 2022-08-30 | 中国矿业大学(北京) | Stemming filling trolley and stemming filling method |
| CN116767621A (en) * | 2023-08-17 | 2023-09-19 | 昆明理工大学 | Automatic explosive packaging vehicle and packaging method for intelligent blasting |
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|---|---|---|---|---|
| DE3118034A1 (en) * | 1981-05-07 | 1982-11-25 | Ortwin M. 4330 Mülheim Zeißig | "METHOD AND TRIM CAMP FOR INSULATING DRILL HOLES WITH PASTE SET" |
| CN203148322U (en) * | 2012-08-31 | 2013-08-21 | 沈阳军区司令部工程科研设计院 | Field cold-mixed porous granular ammonium nitrate fuel oil explosive truck |
| CN104132597A (en) * | 2014-07-29 | 2014-11-05 | 鞍钢集团矿业公司 | Underground cannon hole packing machine |
| CN204154196U (en) * | 2014-09-12 | 2015-02-11 | 江苏建筑职业技术学院 | A kind of stemming tamponade device |
| CN104482814A (en) * | 2014-12-22 | 2015-04-01 | 武汉科技大学 | Blocking method for blastholes of underground blasting projects and stemming injection machine |
| CN105157495A (en) * | 2015-07-30 | 2015-12-16 | 东北大学 | Stemming preparation and filling device for underground mine |
| CN107650960A (en) * | 2017-10-22 | 2018-02-02 | 贵州大学 | A kind of blasting hole filling trolley |
| CN108507427A (en) * | 2018-04-14 | 2018-09-07 | 山东科技大学 | A kind of running fire blasthole blocks rifle and its application method |
| US20190212119A1 (en) * | 2016-06-26 | 2019-07-11 | Quick Pump | An appratus and method for filling boreholes in blasting operations |
| CN209181653U (en) * | 2018-11-02 | 2019-07-30 | 玉溪矿业有限公司 | A kind of blast hole stemming device |
-
2018
- 2018-11-02 CN CN201811298945.0A patent/CN109238059A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3118034A1 (en) * | 1981-05-07 | 1982-11-25 | Ortwin M. 4330 Mülheim Zeißig | "METHOD AND TRIM CAMP FOR INSULATING DRILL HOLES WITH PASTE SET" |
| CN203148322U (en) * | 2012-08-31 | 2013-08-21 | 沈阳军区司令部工程科研设计院 | Field cold-mixed porous granular ammonium nitrate fuel oil explosive truck |
| CN104132597A (en) * | 2014-07-29 | 2014-11-05 | 鞍钢集团矿业公司 | Underground cannon hole packing machine |
| CN204154196U (en) * | 2014-09-12 | 2015-02-11 | 江苏建筑职业技术学院 | A kind of stemming tamponade device |
| CN104482814A (en) * | 2014-12-22 | 2015-04-01 | 武汉科技大学 | Blocking method for blastholes of underground blasting projects and stemming injection machine |
| CN105157495A (en) * | 2015-07-30 | 2015-12-16 | 东北大学 | Stemming preparation and filling device for underground mine |
| US20190212119A1 (en) * | 2016-06-26 | 2019-07-11 | Quick Pump | An appratus and method for filling boreholes in blasting operations |
| CN107650960A (en) * | 2017-10-22 | 2018-02-02 | 贵州大学 | A kind of blasting hole filling trolley |
| CN108507427A (en) * | 2018-04-14 | 2018-09-07 | 山东科技大学 | A kind of running fire blasthole blocks rifle and its application method |
| CN209181653U (en) * | 2018-11-02 | 2019-07-30 | 玉溪矿业有限公司 | A kind of blast hole stemming device |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114279283A (en) * | 2021-11-30 | 2022-04-05 | 宏大爆破工程集团有限责任公司 | Stemming filling device and method for open-air deep hole |
| CN114279283B (en) * | 2021-11-30 | 2023-10-20 | 宏大爆破工程集团有限责任公司 | Stemming filling device and method for open-air deep holes |
| CN114963911A (en) * | 2022-07-11 | 2022-08-30 | 中国矿业大学(北京) | Stemming filling trolley and stemming filling method |
| CN116767621A (en) * | 2023-08-17 | 2023-09-19 | 昆明理工大学 | Automatic explosive packaging vehicle and packaging method for intelligent blasting |
| CN116767621B (en) * | 2023-08-17 | 2023-10-20 | 昆明理工大学 | Automatic explosive packaging vehicle and packaging method for intelligent blasting |
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