CN103591862A - Unexploded dynamite processing tool and unexploded dynamite processing method - Google Patents
Unexploded dynamite processing tool and unexploded dynamite processing method Download PDFInfo
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- CN103591862A CN103591862A CN201210539727.8A CN201210539727A CN103591862A CN 103591862 A CN103591862 A CN 103591862A CN 201210539727 A CN201210539727 A CN 201210539727A CN 103591862 A CN103591862 A CN 103591862A
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- junction surface
- powder column
- big gun
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Abstract
The invention discloses an unexploded dynamite processing tool and an unexploded dynamite processing method. The unexploded dynamite processing tool comprises a first excavation member (10) for excavating soil from the ground to a predetermined distance above a grain, a second excavation member (20) for removing sundries from the top of the grain to the predetermined distance above the grain, a moistening device (30) for moistening the soil within the range from the top of the grain to the predetermined distance above the grain, a third excavation member (40) for loosening the moist soil, and a grain lifting and taking member for clamping the grain, and lifting and taking out the grain. The first excavation member, the second excavation member, the moistening device, the third excavation member and the grain lifting and taking member are used in sequence, and the grain can be taken out safely and efficiently; besides, the tool can be manually operated, no more engineering machinery is needed in use, and the processing cost is reduced.
Description
Technical field
The present invention relates to blind big gun and process, particularly, relate to a kind of blind big gun handling implement and method.
Background technology
Along with science and technology and geophysical prospecting technology progress, Exploration Domain is progressively magnified, and exploration scale is increasing, and monolithic excites, the huge increasing at double of acceptance point quantity.The three-dimensional exploration of general monolithic shot hole number reaches several ten thousand, even more.Cause the blind big gun quantity producing in work progress also with increasing proportion, in prior art, adopt the blind big gun processing modes such as excavator deep-cuts, geophysical drilling machine well-flushing, security risk is larger, and treatment effeciency also can not meet construction requirement far away.In addition, these processing modes need to be used more engineering machinery, and cost is higher.
Summary of the invention
The object of this invention is to provide a kind of efficiency higher and lower-cost blind big gun handling implement and method.
To achieve these goals, the invention provides a kind of blind big gun handling implement, wherein, this blind big gun handling implement comprises: for excavating the first native excavation part of top preset distance from ground to powder column; For remove from the top of described powder column its top preset distance foreign material second excavate part; For the moistening top from described powder column to the native moistening device in the scope of its predetermined distance in top; For the 3rd of loose moistening earth, excavate part; And for clamping described powder column and described powder column being promoted to the powder column extracting piece of taking out.
The present invention also provides a kind of blind big gun processing method, and the method comprises: the soil of excavating top preset distance from ground to powder column; Removal is from the top of described powder column to the foreign material of its top preset distance; The moistening top from described powder column is to the soil in the scope of its predetermined distance in top; Loose moistening earth; And clamp described powder column and described powder column is promoted and taken out.
By technique scheme, use successively the first excavation part, second to excavate part, moistening device, the 3rd excavation part and powder column extracting piece, can take out safely, efficiently powder column.In addition, can use instrument described in manual operation, without using more engineering machinery, reduce processing cost.
Other features and advantages of the present invention partly in detail are described the specific embodiment subsequently.
Accompanying drawing explanation
Accompanying drawing is to be used to provide a further understanding of the present invention, and forms a part for description, is used from explanation the present invention, but is not construed as limiting the invention with the specific embodiment one below.In the accompanying drawings:
Fig. 1 is the structural representation that a kind of embodiment of part is excavated in explanation of the present invention first;
Fig. 2 is the structural representation that a kind of embodiment of part is excavated in explanation of the present invention second;
Fig. 3 is the structural representation of a kind of embodiment of explanation moistening device of the present invention;
Fig. 4 is the structural representation that a kind of embodiment of part is excavated in explanation the of the present invention the 3rd;
Fig. 5 is the structural representation of a kind of embodiment of explanation powder column extracting piece of the present invention;
Fig. 6 is the structural representation of the another kind of embodiment of explanation powder column extracting piece of the present invention.
Description of reference numerals
Excavate 11: the first junction surfaces 12 of part at 10: the first: visit shovel 13: dowel
Excavate part at 20: the second
23: the first barbs of 22: the first straight profiled bats in 21: the second junction surfaces
30: moistening device
31: columnar body 32: feed pipe 33: connecting portion
Within 40: the three, excavate 42: the second straight profiled bats 43 in 41: the three junction surfaces of part: revolve and dig piece
50: internal tooth is grabbed ring
51: the four junction surfaces 52: connecting rod 53: 54: the second barbs of cylindrical portion
60: 63: the three barbs of dihedral fork 62: the three straight profiled bats in 61: the five junction surfaces
The specific embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is elaborated.Should be understood that, the specific embodiment described herein only, for description and interpretation the present invention, is not limited to the present invention.
In the present invention, in the situation that not doing contrary explanation, the noun of locality of use typically refers to reference to upper and lower, left and right shown in the drawings as " upper and lower, left and right "; " inside and outside " refers to inside and outside with respect to the profile of each parts itself.
According to an aspect of the present invention, provide a kind of blind big gun handling implement, wherein, this blind big gun handling implement comprises: for excavating the first native excavation part 10 of top preset distance from ground to powder column; For remove from the top of described powder column its top preset distance foreign material second excavate part 20; For the moistening top from described powder column to the native moistening device 30 in the scope of its predetermined distance in top; For the 3rd of loose moistening earth, excavate part 40; And for clamping described powder column and described powder column being promoted to the powder column extracting piece of taking out.
According to a further aspect in the invention, provide a kind of blind big gun processing method, the method comprises: the soil of excavating top preset distance from ground to powder column; Removal is from the top of described powder column to the foreign material of its top preset distance; The moistening top from described powder column is to the soil in the scope of its predetermined distance in top; Loose moistening earth; And clamp described powder column and described powder column is promoted and taken out.
Wherein, described predetermined distance can be 2-4 rice.
Preferably, can use blind big gun handling implement of the present invention to implement described method.Particularly, can use the first excavation part 10 to excavate the soil of top preset distance from ground to powder column.Then use the second excavation part 20 to remove from the top of described powder column to the foreign material of its top preset distance, the straw of landfill when wherein said foreign material comprise such as embedding powder column, be difficult for loose granule and embedding live wire etc.Then use the moistening top from described powder column of moistening device 30 to the soil in the scope of its predetermined distance in top, to next use the 3rd to excavate the loose moistening earth of part 40.Finally, can use powder column extracting piece to clamp described powder column and described powder column be promoted from loose earth to taking-up.Each step of said method is manual operation, to guarantee precision and the safety of operation.
Wherein, because powder column is embedded in the distance of underground 18-30 rice, described blind big gun handling implement preferably includes drilling rod, and at least one in described the first excavation part 10, the second excavation part 20, the 3rd excavation part 40 and powder column extracting piece can engage with described drilling rod, to operate by drilling rod power transmission.
In addition, above-mentioned the first excavation part 10, second of mentioning excavates part 20, the 3rd excavation part 40, moistening device 30 and powder column extracting piece and can adopt various suitable structures, as long as can realize corresponding function.
In a kind of preferred embodiment of the present invention, as shown in Figure 1, described first excavates the spy shovel 12 that part 10 comprises the first junction surface 11 and is connected in this first junction surface 11, and described the first junction surface 11 can engage with described drilling rod.Wherein, the first junction surface 11 can have screw connection structure and by dowel 13, be connected to the shank that digs shovel 12.Thus, first excavates part 10 can be connected to drilling rod by the first junction surface 11, carries out degree of depth excavation.Be understandable that, when excavating more shallow position, can manually grasp the first junction surface 11 and excavate.Digging shovel 12 can be the various suitable structures with spade excavation portion, for example can be for visiting shovel (being Luoyang Spade).
In addition, as shown in Figure 2, described second excavates part 20 can comprise the second junction surface 21, the first straight profiled bat 22 and the first barb 23, described the second junction surface 21 can be excavated part 10 with described drilling rod or described first and be engaged, described the first straight profiled bat 22 is from the bottom at described the second junction surface 21 to downward-extension, described the first barb 23 is fixed on the bottom of described the first straight profiled bat 22, and the bearing of trend of the bearing of trend of described the first barb 23 and described the first straight profiled bat 22 is the angle of 30-45 degree.Wherein, the second junction surface 21 also can have screw connection structure, to be installed to drilling rod or the first junction surface 11.Thus, can excavate part 10 power transmissions by drilling rod or first, by the first barb 23, hook and get foreign material.Understandable, when the second excavation part 20 is connected to the first excavation part 10, first excavates part 10 is inverted, and operating personnel can hold and dig shovel 12 and operate.In addition, can on one side by the second excavation part 20, hook and get foreign material, on one side the shovel 12 that digs by the first excavation part 10 take soil around.
In addition, preferably, described moistening device 30 can comprise water pump, columnar body 31 and feed pipe 32, and by described feed pipe 32, the inner chamber to described columnar body 31 supplies water described water pump.Thus, water flow to its end by the inner chamber of columnar body 31, and is ejected in soil, makes ground moistening.More preferably, as shown in Figure 3, described feed pipe 32 is connected in described columnar body 31, and described columnar body 31 ends have water jet and can engage with described the 3rd excavation part 40.Particularly, the end of columnar body 31 can be provided with connecting portion 33, to engage with the 3rd excavation part 40.Wherein, connecting portion 33 also can have screw connection structure.In addition, the cross section of connecting portion 33 can be less than the internal diameter of columnar body 31, thereby water can flow out from the space between connecting portion 33 and columnar body 31.
In addition, as shown in Figure 4, the described the 3rd excavates part 40 can comprise the 3rd junction surface 41, the second straight profiled bat 42 and revolve and dig piece 43, described the 3rd junction surface 41 can engage with described drilling rod or described moistening device 30, described the second straight profiled bat 42 is a plurality of, described in each, one end of the second straight profiled bat 42 is connected in the bottom at described the 3rd junction surface 41, described in the other end is connected in, revolves and dig piece 43, described in each the second straight profiled bat 42 with identical angle from described the 3rd junction surface 41 towards tilted extension.Wherein, the 3rd junction surface 41 can have screw connection structure, so that the connecting portion 33 of drilling rod or moistening device 30 engages.During use, can rotate the columnar body 31 of drilling rod or moistening device 30, make to revolve and dig piece 43 rotations, thereby dig piece 43 and the loose moistening earth of the second straight profiled bat 42 by revolving.The 3rd excavation part 40 is connected to moistening device 30, can pass through the moistening earth of moistening device 30 on one side, Yi Bian utilize the 3rd to excavate the loose earth of part 40 simultaneously.
In addition, described powder column extracting piece comprises that internal tooth grabs ring 50 and/or angle fork-shaped hook 60, for example, according to different situations (powder column upright or tilt embedding), can select dissimilar powder column extracting piece.
As shown in Figure 5, described internal tooth is grabbed ring 50 can comprise the 4th junction surface 51, connecting rod 52, cylindrical portion 53 and the second barb 54, described the 4th junction surface 51 can be excavated part 10 with described drilling rod or described first and be engaged, described connecting rod 52 connects described the 4th junction surface 51 and described cylindrical portion 53, and described the second barb 54 is arranged on the inner side of described cylindrical portion 53.Wherein, the 4th junction surface 51 can have screw connection structure, to be connected to drilling rod or the first junction surface 11.The internal diameter of cylindrical portion 53 should be a bit larger tham the bore at powder column top.During use, can rotate and press down drilling rod or first and excavate part 10, make internal tooth grab ring 50 top outer along powder column and move down, and make the tube wall of powder column be pressed into the second barb 54 inner sides clamping.Then, upwards promoting drilling rod or the first excavation part 10, the second barbs 54 stings tight powder column and makes powder column grab ring 50 lifting taking-ups with internal tooth.
Wherein, at internal tooth, grab ring 50 be connected to the first excavation part 10 in the situation that, rotate the first excavation part 10, can by internal tooth, grab ring 50 clamping powder columns on one side, by dig shovel 12 excavate around soil on one side, be conducive to promote powder column.
Preferably, described connecting rod 52 can be for a plurality of and along the circumferential setting of described cylindrical portion 53, thereby make cylindrical portion 53 firmly be connected to the 4th junction surface 51.In addition, described the 3rd barb 54 can be for a plurality of and along the interior Zhou Junbu of described cylindrical portion 53, the angle that is axially 20-30 degree of the bearing of trend of described the 3rd barb 54 and described cylindrical portion 53, thus can apply uniform clamping force to the tube wall of powder column.
In addition, as shown in Figure 6, described angle fork-shaped hook 60 can comprise the 5th junction surface 61, the 3rd straight profiled bat 62 and the 3rd barb 63, described the 5th junction surface 61 can be excavated part 10 with described drilling rod or described first and be engaged, described the 3rd straight profiled bat 62 is a plurality of and from the bottom at described the 5th junction surface 61 to downward-extension, described the 3rd barb 63 is arranged on the bottom of described the 3rd straight profiled bat 62, and the bearing of trend of the bearing of trend of described the 3rd barb 63 and described the 3rd straight profiled bat 62 is the angle of 30-45 degree.Wherein, the 5th junction surface 61 can have screw connection structure, to be connected to drilling rod or the first junction surface 11.In addition, the 3rd straight profiled bat 62 can extend towards outer incline downwards from the 5th junction surface 61, and the distance between the 3rd barb 63 on any two the 3rd straight profiled bats 62 should be less than the caliber of the tube wall at powder column top.During use, can rotate and press down drilling rod or first and excavate part 10, angle fork-shaped hook 60 is moved down along the top outer of powder column, and make the top of powder column be pressed into the 3rd barb 63 inner sides clamping.Then, upwards promoting drilling rod or the first excavation part 10, the three barbs 63 stings tight powder column and makes powder column promote and take out with angle fork-shaped hook 60.
Wherein, powder column is buried underground when comparatively loosening or uprightly burying underground, only excavates to exposing powder column top and can utilize angle fork-shaped hook 60 clamping powder column tops that powder column is extracted.When powder column is buried consolidation underground or tilted a little, need excavation to exposing powder column compared with many parts and utilizing internal tooth to grab ring 50 clamping powder column tube walls, powder column to be extracted.
Below describe by reference to the accompanying drawings the preferred embodiment of the present invention in detail; but; the present invention is not limited to the detail in above-mentioned embodiment; within the scope of technical conceive of the present invention; can carry out multiple simple variant to technical scheme of the present invention, these simple variant all belong to protection scope of the present invention.
It should be noted that in addition each the concrete technical characterictic described in the above-mentioned specific embodiment, in reconcilable situation, can combine by any suitable mode.For fear of unnecessary repetition, the present invention is to the explanation no longer separately of various possible combinations.
In addition, between various embodiment of the present invention, also can be combined, as long as it is without prejudice to thought of the present invention, it should be considered as content disclosed in this invention equally.
Claims (12)
1. a blind big gun handling implement, is characterized in that, this blind big gun handling implement comprises:
For excavating the first native excavation part (10) of top preset distance from ground to powder column;
For remove from the top of described powder column its top preset distance foreign material second excavate part (20);
For the moistening top from described powder column to the native moistening device (30) in the scope of its predetermined distance in top;
For the 3rd of loose moistening earth, excavate part (40); And
For clamping described powder column and described powder column being promoted to the powder column extracting piece of taking out.
2. blind big gun handling implement according to claim 1, wherein, described blind big gun handling implement comprises drilling rod, and at least one in described the first excavation part (10), the second excavation part (20), the 3rd excavation part (40) and powder column extracting piece can engage with described drilling rod.
3. blind big gun handling implement according to claim 2, wherein, described first excavates the spy that part (10) comprises the first junction surface (11) and be connected in this first junction surface (11) shovels (12), and described the first junction surface (11) can engage with described drilling rod.
4. blind big gun handling implement according to claim 2, wherein, described second excavates part (20) comprises the second junction surface (21), the first straight profiled bat (22) and the first barb (23), described the second junction surface (21) can be excavated part (10) with described drilling rod or described first and be engaged, described the first straight profiled bat (22) is from the bottom at described the second junction surface (21) to downward-extension, described the first barb (23) is fixed on the bottom of described the first straight profiled bat (22), the bearing of trend of the bearing of trend of described the first barb (23) and described the first straight profiled bat (22) is the angle of 30-45 degree.
5. blind big gun handling implement according to claim 2, wherein, described moistening device (30) comprises water pump, columnar body (31) and feed pipe (32), by described feed pipe (32), the inner chamber to described columnar body (31) supplies water described water pump.
6. blind big gun handling implement according to claim 5, wherein, described feed pipe (32) is connected in described columnar body (31), and described columnar body (31) end has water jet and can excavate part (40) and engage with the described the 3rd.
7. blind big gun handling implement according to claim 2, wherein, the described the 3rd excavates part (40) comprises the 3rd junction surface (41), the second straight profiled bat (42) and revolve and dig piece (43), described the 3rd junction surface (41) can engage with described drilling rod or described moistening device (30), described the second straight profiled bat (42) is a plurality of, described in each, one end of the second straight profiled bat (42) is connected in the bottom at described the 3rd junction surface (41), described in the other end is connected in, revolve and dig piece (43), described in each the second straight profiled bat (42) with identical angle from described the 3rd junction surface (41) towards tilted extension.
8. blind big gun handling implement according to claim 2, wherein, described powder column extracting piece comprises that internal tooth grabs ring (50) and/or angle fork-shaped hook (60), described internal tooth is grabbed ring (50) and is comprised the 4th junction surface (51), connecting rod (52), cylindrical portion (53) and the second barb (54), described the 4th junction surface (51) can be excavated part (10) with described drilling rod or described first and be engaged, described connecting rod (52) connects described the 4th junction surface (51) and described cylindrical portion (53), and described the second barb (54) is arranged on the inner side of described cylindrical portion (53); Described angle fork-shaped hook (60) comprises the 5th junction surface (61), the 3rd straight profiled bat (62) and the 3rd barb (63), described the 5th junction surface (61) can be excavated part (10) with described drilling rod or described first and be engaged, described the 3rd straight profiled bat (62) is a plurality of and from the bottom at described the 5th junction surface (61) to downward-extension, described the 3rd barb (63) is arranged on the bottom of described the 3rd straight profiled bat (62), and the bearing of trend of the bearing of trend of described the 3rd barb (63) and described the 3rd straight profiled bat (62) is the angle of 30-45 degree.
9. blind big gun handling implement according to claim 8, wherein, described connecting rod (52) is a plurality of and along the circumferential setting of described cylindrical portion (53), described the 3rd barb (54) is a plurality of and along the interior Zhou Junbu of described cylindrical portion (53), the angle that is axially 20-30 degree of the bearing of trend of described the 3rd barb (54) and described cylindrical portion (53).
10. a blind big gun processing method, the method comprises:
Excavate the soil of top preset distance from ground to powder column;
Removal is from the top of described powder column to the foreign material of its top preset distance;
The moistening top from described powder column is to the soil in the scope of its predetermined distance in top;
Loose moistening earth; And
Clamp described powder column and described powder column is promoted and taken out.
11. blind big gun processing methods according to claim 10, wherein, described predetermined distance is 2-4 rice.
12. according to the blind big gun processing method described in claim 10 or 11, wherein, uses and implements described method according to the blind big gun handling implement described in any one in claim 1-9.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210539727.8A CN103591862B (en) | 2012-12-13 | 2012-12-13 | Blind big gun handling implement and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210539727.8A CN103591862B (en) | 2012-12-13 | 2012-12-13 | Blind big gun handling implement and method |
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| Publication Number | Publication Date |
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| CN103591862A true CN103591862A (en) | 2014-02-19 |
| CN103591862B CN103591862B (en) | 2015-12-09 |
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| CN201210539727.8A Active CN103591862B (en) | 2012-12-13 | 2012-12-13 | Blind big gun handling implement and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109269371A (en) * | 2018-12-05 | 2019-01-25 | 贵州大学 | A kind of handling implement and its application method of the blind big gun of flat hole |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5431073A (en) * | 1994-02-28 | 1995-07-11 | Gregory; Dennis | Cartridge casing extractor |
| WO2002090874A1 (en) * | 2001-05-09 | 2002-11-14 | Rocktek Limited | Cartridge |
| CN201714294U (en) * | 2010-04-10 | 2011-01-19 | 葛洲坝集团第二工程有限公司 | Double-action puncher |
| CN202506639U (en) * | 2012-03-15 | 2012-10-31 | 中铁十一局集团有限公司 | High-pressure flushing pipe for unexploded dynamite disposal |
| CN203231705U (en) * | 2012-12-13 | 2013-10-09 | 中国石油化工股份有限公司 | Unexploded dynamite processing tool |
-
2012
- 2012-12-13 CN CN201210539727.8A patent/CN103591862B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5431073A (en) * | 1994-02-28 | 1995-07-11 | Gregory; Dennis | Cartridge casing extractor |
| WO2002090874A1 (en) * | 2001-05-09 | 2002-11-14 | Rocktek Limited | Cartridge |
| CN201714294U (en) * | 2010-04-10 | 2011-01-19 | 葛洲坝集团第二工程有限公司 | Double-action puncher |
| CN202506639U (en) * | 2012-03-15 | 2012-10-31 | 中铁十一局集团有限公司 | High-pressure flushing pipe for unexploded dynamite disposal |
| CN203231705U (en) * | 2012-12-13 | 2013-10-09 | 中国石油化工股份有限公司 | Unexploded dynamite processing tool |
Non-Patent Citations (4)
| Title |
|---|
| R.弗莱彻等: "美国矿山盲炮事故原因的分析", 《国外采矿技术快报》 * |
| 张其中等: "爆破安全法规标准讲析", 《工业安全与防尘》 * |
| 张志华等: "岩石地基爆破技术的应用与施工", 《建筑施工》 * |
| 方明山: "一次硐室盲炮的原因分析及处理", 《爆破》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109269371A (en) * | 2018-12-05 | 2019-01-25 | 贵州大学 | A kind of handling implement and its application method of the blind big gun of flat hole |
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